tweak config

.gitignore

@@ -0,0 +1 @@
+badapple.webm

firmware/.gitignore

@@ -4,4 +4,7 @@
 .vscode/launch.json
 .vscode/ipch
 src/gfx_png.h
+src/audio_sample.h
 gfx/
+gfx_output/
+audio/

firmware/.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "cmake.configureOnOpen": false
+}

firmware/README.md

@@ -1,13 +1,27 @@
-**add graphics**
-
 convert video
 
 ```
-ffmpeg -i badapple.webm -ss 00:01:00 -t 30 -vf "fps=30,scale=20:20:force_original_aspect_ratio=increase,crop=20:20,format=gray" badapple-frames/badapple_%04d.png
+ffmpeg -i ../badapple.webm -vf "fps=30,scale=40:40:force_original_aspect_ratio=increase,crop=40:40,format=gray" gfx/frame_%04d.png
 ```
 
 move to `gfx` folder, then:
 
 ```
-python3 scripts/gfx_convert.py
+# old method
+# python3 scripts/gfx_convert.py
+python3 scripts/gfx_to_blob.py
 ```
+
+convert audio
+
+```
+ffmpeg -i ../badapple.webm -ar 44000 audio/output.wav
+```
+
+move to `audio` folder, then:
+
+```
+python3 scripts/audio_convert.py
+```
+
+on the SD card, create a folder named `badapple` and inside, add `audio.bin` from `audio` and `gfx.bin` and `gfx_len.bin` from `gfx_output`.

firmware/platformio.ini

@@ -12,4 +12,6 @@
 platform = raspberrypi
 board = pico
 framework = arduino
-lib_deps = fastled/FastLED@^3.6.0
+lib_deps =
+  khoih-prog/RP2040_SD@^1.0.1
+

firmware/scripts/audio_convert.py

@@ -0,0 +1,64 @@
+import os
+import sys
+import soundfile as sf
+import samplerate
+
+# Adapted from https://github.com/rgrosset/pico-pwm-audio
+
+print("loading file...")
+
+soundfile = 'audio/output.wav'
+data_in, datasamplerate = sf.read(soundfile)
+# This means stereo so extract one channel 0
+if len(data_in.shape)>1:
+    data_in = data_in[:,0]
+
+print("resampling...")
+
+converter = 'sinc_best'  # or 'sinc_fastest', ...
+desired_sample_rate = 44000.0
+ratio = desired_sample_rate/datasamplerate
+data_out = samplerate.resample(data_in, ratio, converter)
+
+print("analyzing...")
+
+maxValue = max(data_out)
+minValue = min(data_out)
+print("length", len(data_out))
+print("max value", max(data_out))
+print("min value", min(data_out))
+vrange = (maxValue - minValue)
+print("value range", vrange)
+
+print("normalizing...")
+
+# normalize to 0-1
+normalized = [int((v-minValue)/vrange*255) for v in data_out]
+
+# print("generating header...")
+
+# m68code = "/*    File "+soundfile+ "\r\n *    Sample rate "+str(int(desired_sample_rate)) +" Hz\r\n */\r\n"
+# m68code += "#define WAV_DATA_LENGTH "+str(len(data_out))+" \r\n\r\n"
+# m68code += "static const uint8_t WAV_DATA[] = {\r\n    "
+
+# m68code += ','.join(str(v) for v in normalized)
+
+# # keep track of first and last values to avoid
+# # blip when the loop restarts.. make the end value
+# # the average of the first and last.
+# end_value = int( (normalized[0] + normalized[len(normalized) - 1]) / 2)
+# m68code+=","+str(end_value)+'\n};\n'
+
+# print("writing output...")
+
+# with open("src/audio_sample.h", "w") as f:
+#     f.write(m68code)
+
+# print("done!")
+
+print("writing blob...")
+
+with open("audio/audio.bin", "wb") as f:
+    f.write(bytes(normalized))
+
+print("done!")

firmware/scripts/gfx_to_blob.py

@@ -0,0 +1,35 @@
+import os
+import sys
+
+def get_all_gfx():
+    gfx = []
+    for root, dirs, files in os.walk("gfx"):
+        for file in files:
+            if file.startswith("."):
+                continue
+            # file name without extention
+            name = os.path.splitext(file)[0]
+            gfx.append((name, os.path.join(root, file)))
+
+    gfx.sort()
+    return gfx
+
+blob = bytes()
+lengths = bytes()
+
+gfx_files = get_all_gfx()
+for (name, path) in gfx_files:
+    with open(path, "rb") as f:
+        data = f.read()
+        size = len(data)
+        blob += data
+        lengths += size.to_bytes(2, byteorder="little")
+
+# create the output directory if it doesn't exist
+os.makedirs("gfx_output", exist_ok=True)
+
+with open("gfx_output/gfx.bin", "wb") as f:
+    f.write(blob)
+
+with open("gfx_output/gfx_len.bin", "wb") as f:
+    f.write(lengths)

firmware/src/audio.cpp

@@ -0,0 +1,84 @@
+#include <Arduino.h>
+#include "hardware/irq.h"  // interrupts
+#include "hardware/pwm.h"  // pwm
+#include "hardware/sync.h" // wait for interrupt
+#include "hardware/gpio.h"
+#include "audio.h"
+
+// #include "audio_sample.h"
+
+// Adapted from https://github.com/rgrosset/pico-pwm-audio
+
+#define MAX_PWM_POS (BUFFER_LEN << 3)
+
+uint8_t wav_buffer_0[BUFFER_LEN] = {0};
+uint8_t wav_buffer_1[BUFFER_LEN] = {0};
+bool wav_buffer1_active = false;
+volatile bool next_buffer_requested = false; // horrible, use some interrupt-based solution or at least locks or whatever
+uint32_t pwm_position = 0;
+
+/*
+ * PWM Interrupt Handler which outputs PWM level and advances the
+ * current sample.
+ *
+ * We repeat the same value for 8 cycles this means sample rate etc
+ * adjust by factor of 8   (this is what bitshifting <<3 is doing)
+ *
+ */
+void pwm_interrupt_handler() {
+    pwm_clear_irq(pwm_gpio_to_slice_num(AUDIO_PIN));
+    if (pwm_position < MAX_PWM_POS - 1) {
+        auto wav_buffer = wav_buffer1_active ? wav_buffer_1 : wav_buffer_0;
+        // set pwm level
+        // allow the pwm value to repeat for 8 cycles this is >>3
+        pwm_set_gpio_level(AUDIO_PIN, wav_buffer[pwm_position>>3]);
+        pwm_position++;
+    } else {
+        // reset to start, flip to other buffer
+        pwm_position = 0;
+        next_buffer_requested = true;
+        wav_buffer1_active = !wav_buffer1_active;
+    }
+}
+
+// 11 KHz is fine for speech. Phone lines generally sample at 8 KHz
+#define SYS_CLOCK 125000000.0f
+#define AUDIO_WRAP 250.0f
+#define AUDIO_CLK_DIV (SYS_CLOCK / AUDIO_WRAP / 8 / AUDIO_RATE)
+
+void init_audio() {
+    gpio_set_function(AUDIO_PIN, GPIO_FUNC_PWM);
+
+    int audio_pin_slice = pwm_gpio_to_slice_num(AUDIO_PIN);
+
+    // Setup PWM interrupt to fire when PWM cycle is complete
+    pwm_clear_irq(audio_pin_slice);
+    pwm_set_irq_enabled(audio_pin_slice, true);
+
+    // set the handle function above
+    irq_set_exclusive_handler(PWM_IRQ_WRAP, pwm_interrupt_handler);
+    // irq_set_enabled(PWM_IRQ_WRAP, true);
+
+    // Setup PWM for audio output
+    pwm_config config = pwm_get_default_config();
+
+    pwm_config_set_clkdiv(&config, AUDIO_CLK_DIV);
+    pwm_config_set_wrap(&config, 250);
+    pwm_init(audio_pin_slice, 0, &config, true);
+
+    pwm_set_gpio_level(AUDIO_PIN, 0);
+}
+
+void audio_stop() {
+    Serial.println("audio_stop");
+    irq_set_enabled(PWM_IRQ_WRAP, false);
+    pwm_set_gpio_level(AUDIO_PIN, 0);
+}
+
+void audio_start() {
+    Serial.println("audio_start");
+    audio_stop();
+    pwm_position = 0;
+    wav_buffer1_active = false;
+    irq_set_enabled(PWM_IRQ_WRAP, true);
+}

firmware/src/audio.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#ifndef _audio_h
+#define _audio_h
+
+#define AUDIO_PIN 2
+
+#define AUDIO_RATE 44000.0f
+#define BUFFER_LEN 512*32
+#define BUFFER_LEN_MS (BUFFER_LEN / AUDIO_RATE) * 1000.0f
+
+extern uint8_t wav_buffer_0[BUFFER_LEN];
+extern uint8_t wav_buffer_1[BUFFER_LEN];
+extern bool wav_buffer1_active;
+extern volatile bool next_buffer_requested;
+
+void init_audio();
+void audio_stop();
+void audio_start();
+
+#endif

firmware/src/gfx_decoder.cpp

@@ -0,0 +1,59 @@
+#include "gfx_decoder.h"
+#include "sd.h"
+#include "lodepng.h"
+#include "leds.h"
+
+uint16_t gfxFrameLengthsBuffer[12000] = {0};
+uint16_t frameCount = 0;
+
+uint8_t gfxFrameBuffer[2048] = {0};
+
+bool gfx_decoder_loadNextFrame() {
+  // load frame from SD card
+  auto frameSize = sd_loadNextFrame();
+  if (frameSize < 0) {
+    return false;
+  }
+
+  // decode PNG
+  unsigned error;
+  unsigned char *buffer = 0;
+  unsigned width, height;
+
+  size_t pngSize = frameSize;
+  error = lodepng_decode_memory(&buffer, &width, &height, gfxFrameBuffer, pngSize, LCT_GREY, 8);
+
+  // handle errors
+  if (error) {
+    Serial.print("PNG decode error ");
+    Serial.print(error);
+    Serial.print(": ");
+    Serial.println(lodepng_error_text(error));
+    free(buffer);
+    return false;
+  } else if (width != ROW_COUNT || height != COL_COUNT) {
+    Serial.print("Bad dimensions: ");
+    Serial.print(width);
+    Serial.print("x");
+    Serial.println(height);
+    free(buffer);
+    return false;
+  }
+
+  // copy to framebuffer
+  // TODO: mutex? double buffer? or something...
+  memcpy(framebuffer, buffer, ROW_COUNT * COL_COUNT);
+  free(buffer);
+  return true;
+}
+
+unsigned long frameLastChangedAt = 0;
+
+bool gfx_decoder_handleLoop() {
+  auto now = millis();
+  if (now - frameLastChangedAt > MS_PER_FRAME) {
+    frameLastChangedAt = now;
+    return gfx_decoder_loadNextFrame();
+  }
+  return true;
+}

firmware/src/gfx_decoder.h

@@ -0,0 +1,14 @@
+#pragma once
+#ifndef GFX_DECODER_H
+#define GFX_DECODER_H
+
+#include <Arduino.h>
+
+extern uint16_t gfxFrameLengthsBuffer[12000];
+extern uint16_t frameCount;
+extern uint8_t gfxFrameBuffer[2048];
+
+bool gfx_decoder_loadNextFrame();
+bool gfx_decoder_handleLoop();
+
+#endif

firmware/src/leds.cpp

@@ -0,0 +1,154 @@
+#include <Arduino.h>
+#include "hardware/gpio.h"
+#include "mbed_wait_api.h"
+#include "pico/multicore.h"
+
+#include "leds.h"
+
+inline void pulsePin(uint8_t pin) {
+  gpio_put(pin, HIGH);
+  gpio_put(pin, LOW);
+}
+
+void clearShiftReg(uint8_t srclk, uint8_t srclr) {
+  gpio_put(srclr, LOW);
+  pulsePin(srclk);
+  gpio_put(srclr, HIGH);
+}
+
+inline void outputEnable(uint8_t pin, bool enable) {
+  gpio_put(pin, !enable);
+}
+
+// we have 4-bit color depth, so 16 levels of brightness
+// we go from phase 0 to phase 3
+uint8_t brightnessPhase = 0;
+uint8_t brightnessPhaseDelays[] = {1, 10, 30, 100};
+
+uint8_t framebuffer[ROW_COUNT * COL_COUNT] = {0};
+
+void leds_init() {
+  memset(framebuffer, 0, sizeof(framebuffer));
+
+  // disable output
+  outputEnable(COL_OE, false);
+  outputEnable(ROW_OE, false);
+
+  // set up col pins
+  pinMode(COL_SER, OUTPUT);
+  pinMode(COL_OE, OUTPUT);
+  pinMode(COL_RCLK, OUTPUT);
+  pinMode(COL_SRCLK, OUTPUT);
+  pinMode(COL_SRCLR, OUTPUT);
+
+  // set up row pins
+  pinMode(ROW_SER, OUTPUT);
+  pinMode(ROW_OE, OUTPUT);
+  pinMode(ROW_RCLK, OUTPUT);
+  pinMode(ROW_SRCLK, OUTPUT);
+  pinMode(ROW_SRCLR, OUTPUT);
+
+  // clear output - cols
+  clearShiftReg(COL_SRCLK, COL_SRCLR);
+  pulsePin(COL_RCLK);
+  outputEnable(COL_OE, true);
+
+  // clear output - rows
+  clearShiftReg(ROW_SRCLK, ROW_SRCLR);
+  pulsePin(ROW_RCLK);
+}
+
+void leds_disable() {
+  outputEnable(ROW_OE, false);
+}
+
+void main2() {
+  // where we're going, we don't need no interrupts
+  noInterrupts();
+  while (true) {
+    leds_render();
+  }
+}
+
+void leds_initRenderer() {
+  // launch core1
+  // NOTE: For some reason, without delay, core1 doesn't start?
+  // delay(500);
+  multicore_reset_core1();
+  multicore_launch_core1(main2);
+}
+
+void leds_render() {
+  // hide output
+  outputEnable(ROW_OE, false);
+
+  // clear rows
+  clearShiftReg(ROW_SRCLK, ROW_SRCLR);
+
+  // start selecting rows
+  digitalWrite(ROW_SER, HIGH);
+
+  for (int yCount = 0; yCount < ROW_COUNT; yCount++) {
+    int y = ROW_COUNT - 1 - yCount;
+    // brigthness - pushing data takes 40us, so to maximize brightness (at high brightness phases)
+    // we want to keep the matrix on during update (except during latch). At low brightness phases,
+    // we want it off to actually be dim
+    bool brightPhase = brightnessPhase >= 2;
+    // digitalWrite(ROW_OE, !brightPhase);
+
+    // next row
+    pulsePin(ROW_SRCLK);
+    // only one row
+    digitalWrite(ROW_SER, LOW);
+
+    // we use 7/8 stages on shift registers + 1 is unused
+    int moduleY = yCount % 20;
+    if (moduleY == 0) {
+      pulsePin(ROW_SRCLK);
+    }
+
+    if (moduleY == 7 || moduleY == 14 || (moduleY == 0 && yCount != 0)) {
+      pulsePin(ROW_SRCLK);
+    }
+
+    // clear columns
+    clearShiftReg(COL_SRCLK, COL_SRCLR);
+
+    // set row data
+    for (int x = 0; x < COL_COUNT; x++) {
+      // get value
+      // NOTE: values are loaded right-left
+      uint8_t pxValue = framebuffer[y * ROW_COUNT + x];
+      // apply brightness
+      bool gotLight = (pxValue >> (4 + brightnessPhase)) & 1;
+      // set value (note: inverted logic)
+      gpio_put(COL_SER, !gotLight);
+      // push value
+      pulsePin(COL_SRCLK);
+
+      // we use 7/8 stages on shift registers + 1 is unused
+      int moduleX = x % 20;
+      if (moduleX == 0) {
+        pulsePin(COL_SRCLK);
+      }
+      if (moduleX == 6 || moduleX == 13 || moduleX == 19) {
+        pulsePin(COL_SRCLK);
+      }
+    }
+
+    // disable columns before latch
+    outputEnable(ROW_OE, false);
+
+    // latch rows and columns
+    pulsePin(ROW_RCLK);
+    pulsePin(COL_RCLK);
+
+    // show for a certain period
+    outputEnable(ROW_OE, true);
+    busy_wait_us_32(brightnessPhaseDelays[brightnessPhase]);
+    outputEnable(ROW_OE, false);
+  }
+
+  // next brightness phase
+  brightnessPhase = (brightnessPhase + 1) % 4;
+}

firmware/src/leds.h

@@ -0,0 +1,33 @@
+#pragma once
+#ifndef LEDS_H
+#define LEDS_H
+
+#include <Arduino.h>
+
+#define COL_SER 20
+#define COL_OE 21
+#define COL_RCLK 22
+#define COL_SRCLK 26
+#define COL_SRCLR 27
+
+#define ROW_SER 14
+#define ROW_OE 13
+#define ROW_RCLK 12
+#define ROW_SRCLK 11
+#define ROW_SRCLR 10
+
+#define ROW_COUNT 40
+#define COL_COUNT 40
+
+#define FPS 30
+#define MS_PER_FRAME 1000 / FPS
+
+void leds_init();
+void leds_initRenderer();
+void leds_disable();
+void leds_loop();
+void leds_render();
+
+extern uint8_t framebuffer[ROW_COUNT * COL_COUNT];
+
+#endif

firmware/src/main.cpp

@@ -1,275 +1,63 @@
 #include <Arduino.h>
-#include "gfx_png.h"
-#include "lodepng.h"
-#include "pico/multicore.h"
 #include "hardware/gpio.h"
-#include "mbed_wait_api.h"
-
-#define Serial Serial1
-
-#define COL_SER 20
-#define COL_OE 21
-#define COL_RCLK 22
-#define COL_SRCLK 26
-#define COL_SRCLR 27
-
-#define ROW_SER 14
-#define ROW_OE 13
-#define ROW_RCLK 12
-#define ROW_SRCLK 11
-#define ROW_SRCLR 10
-
-inline void pulsePin(uint8_t pin) {
-  gpio_put(pin, HIGH);
-  gpio_put(pin, LOW);
-}
-
-void clearShiftReg(uint8_t srclk, uint8_t srclr) {
-  gpio_put(srclr, LOW);
-  pulsePin(srclk);
-  gpio_put(srclr, HIGH);
-}
-
-inline void outputEnable(uint8_t pin, bool enable) {
-  gpio_put(pin, !enable);
-}
-
-#define ROW_COUNT 40
-#define COL_COUNT 40
-
-#define FPS 30
-#define MS_PER_FRAME 1000 / FPS
-
-uint16_t frameIndex = 0;
-uint16_t lastRenderedFrameIndex = 0;
-unsigned long frameLastChangedAt;
-
-// we have 4-bit color depth, so 16 levels of brightness
-// we go from phase 0 to phase 3
-uint8_t brightnessPhase = 0;
-uint8_t brightnessPhaseDelays[] = {1, 10, 30, 100};
-
-uint8_t framebuffer[ROW_COUNT * COL_COUNT] = {0};
-
-void main2();
-void life_setup();
-void life_step();
-extern bool cells[ROW_COUNT * COL_COUNT];
+#include "audio.h"
+#include "sd.h"
+#include "leds.h"
+#include "gfx_decoder.h"
 
 void setup() {
+  leds_init();
+  setupSDPins();
+  pinMode(6, INPUT_PULLUP);
+
+  delay(2000);
   Serial.begin(115200);
   Serial.println("Hello worldd!");
 
-  memset(framebuffer, 0, sizeof(framebuffer));
+  init_audio();
 
-  // disable output
-  outputEnable(COL_OE, false);
-  outputEnable(ROW_OE, false);
+  // while (!isSDCardInserted()) {
+  //   Serial.println("SD card not connected, waiting...");
+  //   delay(1000);
+  // }
+  // delay(100);
 
-  // set up col pins
-  pinMode(COL_SER, OUTPUT);
-  pinMode(COL_OE, OUTPUT);
-  pinMode(COL_RCLK, OUTPUT);
-  pinMode(COL_SRCLK, OUTPUT);
-  pinMode(COL_SRCLR, OUTPUT);
+  setupSD();
 
-  // set up row pins
-  pinMode(ROW_SER, OUTPUT);
-  pinMode(ROW_OE, OUTPUT);
-  pinMode(ROW_RCLK, OUTPUT);
-  pinMode(ROW_SRCLK, OUTPUT);
-  pinMode(ROW_SRCLR, OUTPUT);
+  sd_loadAudio();
 
-  // clear output - cols
-  clearShiftReg(COL_SRCLK, COL_SRCLR);
-  pulsePin(COL_RCLK);
-  outputEnable(COL_OE, true);
-
-  // clear output - rows
-  clearShiftReg(ROW_SRCLK, ROW_SRCLR);
-  pulsePin(ROW_RCLK);
-
-  // clear frames
-  frameIndex = 0;
-  frameLastChangedAt = millis();
-
-  // launch core1
-  // NOTE: For some reason, without delay, core1 doesn't start?
-  // delay(500);
-  // multicore_reset_core1();
-  // multicore_launch_core1(main2);
-
-  // setup_audio();
-
-  life_setup();
-
-  // copy cells to framebuffer
-  for (int y = 0; y < ROW_COUNT; y++) {
-    for (int x = 0; x < COL_COUNT; x++) {
-      framebuffer[y * ROW_COUNT + x] = cells[y * ROW_COUNT + x] ? 255 : 0;
-    }
+  if (!sd_loadGfxFrameLengths()) {
+    Serial.println("Failed to load gfx frame lengths");
+    while (true) {}
   }
-}
 
-void loop2();
-void main2() {
-  while (true) {
-    loop2();
+  if (!sd_loadGfxBlob()) {
+    Serial.println("Failed to load gfx blob");
+    while (true) {}
   }
+
+  leds_initRenderer();
 }
 
 void loop() {
-  if (Serial.available() > 0) {
-    char c = Serial.read();
-    if (c == 'p') {
-      Serial.println("Paused. Press any key to continue.");
-      outputEnable(ROW_OE, false);
-      while (Serial.available() == 0) {
-        Serial.read();
-        delay(50);
-      }
-    } else if (c == 'r') {
-      Serial.println("Restarting...");
-
-    }
+  if (digitalRead(6) == LOW) {
+    sd_loadNextAudio();
   }
 
-  if (multicore_fifo_rvalid()) {
-    uint32_t value = multicore_fifo_pop_blocking();
-    if (value == 21372137) {
-      Serial.println("Invalid frame size");
-    } else {
-      Serial.print("PNG decode error ");
-      Serial.print(value);
-      Serial.print(": ");
-      Serial.println(lodepng_error_text(value));
-    }
+  // if (Serial.available() > 0) {
+  //   char c = Serial.read();
+  //   if (c == 'p') {
+  //     Serial.println("Paused. Press any key to continue.");
+  //     leds_disable();
+  //     while (Serial.available() == 0) {
+  //       Serial.read();
+  //       delay(50);
+  //     }
+  //     Serial.println("Continuing...");
+  //   }
+  // }
+
+  if (!gfx_decoder_handleLoop()) {
+    Serial.println("Failed to load frame...");
   }
-
-  if (frameIndex != lastRenderedFrameIndex) {
-    Serial.print("Going to frame ");
-    Serial.println(frameIndex);
-    lastRenderedFrameIndex = frameIndex;
-  }
-
-  // game of life step
-  auto now = millis();
-  if (now - frameLastChangedAt > 100) {
-    frameLastChangedAt = now;
-    life_step();
-    for (int y = 0; y < ROW_COUNT; y++) {
-      for (int x = 0; x < COL_COUNT; x++) {
-        framebuffer[y * ROW_COUNT + x] = cells[y * ROW_COUNT + x] ? 255 : 0;
-      }
-    }
-  }
-
-  // hide output
-  outputEnable(ROW_OE, false);
-
-  // clear rows
-  clearShiftReg(ROW_SRCLK, ROW_SRCLR);
-
-  // start selecting rows
-  digitalWrite(ROW_SER, HIGH);
-
-  for (int yCount = 0; yCount < ROW_COUNT; yCount++) {
-    int y = ROW_COUNT - 1 - yCount;
-    // brigthness - pushing data takes 40us, so to maximize brightness (at high brightness phases)
-    // we want to keep the matrix on during update (except during latch). At low brightness phases,
-    // we want it off to actually be dim
-    bool brightPhase = brightnessPhase >= 2;
-    // digitalWrite(ROW_OE, !brightPhase);
-
-    // next row
-    pulsePin(ROW_SRCLK);
-    // only one row
-    digitalWrite(ROW_SER, LOW);
-
-    // we use 7/8 stages on shift registers + 1 is unused
-    int moduleY = yCount % 20;
-    if (moduleY == 0) {
-      pulsePin(ROW_SRCLK);
-    }
-
-    if (moduleY == 7 || moduleY == 14 || (moduleY == 0 && yCount != 0)) {
-      pulsePin(ROW_SRCLK);
-    }
-
-    // clear columns
-    clearShiftReg(COL_SRCLK, COL_SRCLR);
-
-    // set row data
-    for (int x = 0; x < COL_COUNT; x++) {
-      // get value
-      // NOTE: values are loaded right-left
-      uint8_t pxValue = framebuffer[y * ROW_COUNT + x];
-      // apply brightness
-      bool gotLight = (pxValue >> (4 + brightnessPhase)) & 1;
-      // set value (note: inverted logic)
-      gpio_put(COL_SER, !gotLight);
-      // push value
-      pulsePin(COL_SRCLK);
-
-      // we use 7/8 stages on shift registers + 1 is unused
-      int moduleX = x % 20;
-      if (moduleX == 0) {
-        pulsePin(COL_SRCLK);
-      }
-      if (moduleX == 6 || moduleX == 13 || moduleX == 19) {
-        pulsePin(COL_SRCLK);
-      }
-    }
-
-    // disable columns before latch
-    outputEnable(ROW_OE, false);
-
-    // latch rows and columns
-    pulsePin(ROW_RCLK);
-    pulsePin(COL_RCLK);
-
-    // show for a certain period
-    outputEnable(ROW_OE, true);
-    delayMicroseconds(brightnessPhaseDelays[brightnessPhase]);
-    outputEnable(ROW_OE, false);
-  }
-
-  // next brightness phase
-  brightnessPhase = (brightnessPhase + 1) % 4;
-}
-
-void loop2() {
-  unsigned error;
-  unsigned char *buffer = 0;
-  unsigned width, height;
-
-  // decode png
-  const uint8_t *png = png_frames[frameIndex];
-  size_t pngSize = png_frame_sizes[frameIndex];
-
-  error = lodepng_decode_memory(&buffer, &width, &height, png, pngSize, LCT_GREY, 8);
-
-  // push errors onto queue to be reported on core0, can't use serial here
-  if (error) {
-    free(buffer);
-    multicore_fifo_push_blocking(error);
-    return;
-  } else if (width != ROW_COUNT || height != COL_COUNT) {
-    free(buffer);
-    multicore_fifo_push_blocking(21372137);
-    return;
-  }
-
-  // copy to framebuffer
-  // TODO: mutex? double buffer? or something...
-  // TODO: learn to use memcpy lmao
-  memcpy(framebuffer, buffer, ROW_COUNT * COL_COUNT);
-
-  free(buffer);
-
-  // wait until next frame
-  // TODO: measure time to decode png
-  busy_wait_ms(MS_PER_FRAME);
-
-  frameIndex = (frameIndex + 1) % PNG_COUNT;
 }

firmware/src/sd.cpp

@@ -0,0 +1,294 @@
+#include <Arduino.h>
+#include <SPI.h>
+#include <RP2040_SD.h>
+#include "sd.h"
+#include "audio.h"
+#include "gfx_decoder.h"
+
+#define SD_DET_PIN 28
+
+#if PIN_SPI_SS != 17
+#error "PIN_SPI_SS must be 17"
+#endif
+#if PIN_SPI_SCK != 18
+#error "PIN_SPI_SCK must be 18"
+#endif
+#if PIN_SPI_MOSI != 19
+#error "PIN_SPI_MOSI must be 19"
+#endif
+#if PIN_SPI_MISO != 16
+#error "PIN_SPI_MISO must be 16"
+#endif
+
+void setupSDPins() {
+  // TODO: Is that even needed if we use built-in SPI?
+  pinMode(PIN_SPI_MISO, INPUT);
+  pinMode(PIN_SPI_SS, OUTPUT);
+  digitalWrite(PIN_SPI_SS, HIGH);
+  pinMode(PIN_SPI_SCK, OUTPUT);
+  pinMode(PIN_SPI_MOSI, OUTPUT);
+  pinMode(SD_DET_PIN, INPUT_PULLUP);
+}
+
+bool isSDCardInserted() {
+  return digitalRead(SD_DET_PIN) == LOW;
+}
+
+void printSDConfig();
+void testSDCard();
+void printSDStats();
+void printDirectory(File dir, int numTabs);
+
+void setupSD() {
+  SPI.begin();
+
+  // printSDConfig();
+
+  if (!SD.begin(5000000, PIN_SPI_SS)) {
+    Serial.println("SD Initialization failed!");
+    // Serial.print("Error code: ");
+    // Serial.println(SD.card.errorCode(), HEX);
+    while (true) {}
+    return;
+  }
+
+  Serial.println("SD Initialization done");
+
+  // testSDCard();
+  // printSDStats(SD.volume);
+
+  // File root = SD.open("/");
+  // printDirectory(root, 0);
+}
+
+void printSDConfig() {
+  Serial.println(BOARD_NAME);
+  Serial.println(RP2040_SD_VERSION);
+
+  Serial.print("Initializing SD card with SS = ");
+  Serial.println(PIN_SPI_SS);
+  Serial.print("SCK = ");
+  Serial.println(PIN_SPI_SCK);
+  Serial.print("MOSI = ");
+  Serial.println(PIN_SPI_MOSI);
+  Serial.print("MISO = ");
+  Serial.println(PIN_SPI_MISO);
+}
+
+void testSDCard() {
+  File myFile = SD.open("test.txt", FILE_WRITE);
+
+  // if the file opened okay, write to it:
+  if (myFile) {
+    Serial.print("Writing to test.txt...");
+    myFile.println("testing 1, 2, 3.");
+    myFile.close();
+    Serial.println("done.");
+  } else {
+    Serial.println("error opening test.txt");
+  }
+
+  // re-open the file for reading:
+  myFile = SD.open("test.txt");
+  if (myFile) {
+    Serial.println("test.txt:");
+
+    while (myFile.available()) {
+      Serial.write(myFile.read());
+    }
+    myFile.close();
+  } else {
+    Serial.println("error opening test.txt");
+  }
+}
+
+void printDirectory(File dir, int numTabs) {
+  while (true) {
+    File entry = dir.openNextFile();
+
+    if (!entry) {
+      // no more files
+      break;
+    }
+
+    for (uint8_t i = 0; i < numTabs; i++) {
+      Serial.print('\t');
+    }
+
+    Serial.print(entry.name());
+
+    if (entry.isDirectory()) {
+      Serial.println("/");
+      printDirectory(entry, numTabs + 1);
+    } else {
+      // files have sizes, directories do not
+      Serial.print("\t\t");
+      Serial.println(entry.size(), DEC);
+    }
+    entry.close();
+  }
+}
+
+void printSDStats(RP2040_SdVolume volume) {
+  Serial.print("Clusters:          ");
+  Serial.println(volume.clusterCount());
+  Serial.print("Blocks x Cluster:  ");
+  Serial.println(volume.blocksPerCluster());
+
+  Serial.print("Total Blocks:      ");
+  Serial.println(volume.blocksPerCluster() * volume.clusterCount());
+  Serial.println();
+
+  // print the type and size of the first FAT-type volume
+  uint32_t volumesize;
+  Serial.print("Volume type is:    FAT");
+  Serial.println(volume.fatType(), DEC);
+
+  volumesize = volume.blocksPerCluster();    // clusters are collections of blocks
+  volumesize *= volume.clusterCount();       // we'll have a lot of clusters
+  volumesize /= 2;                           // SD card blocks are always 512 bytes (2 blocks are 1 KB)
+  Serial.print("Volume size (KB):  ");
+  Serial.println(volumesize);
+  Serial.print("Volume size (MB):  ");
+  volumesize /= 1024;
+  Serial.println(volumesize);
+  Serial.print("Volume size (GB):  ");
+  Serial.println((float)volumesize / 1024.0);
+}
+
+File audioFile;
+
+void sd_loadAudio() {
+  if (!SD.exists("/badapple/audio.bin")) {
+    Serial.println("Audio not found :(");
+    return;
+  }
+
+  if (audioFile) {
+    audioFile.close();
+  }
+
+  audioFile = SD.open("/badapple/audio.bin", FILE_READ);
+  Serial.println("Audio file opened");
+
+  audio_stop();
+
+  // load two buffers' worth of audio
+  if (audioFile.read(&wav_buffer_0, BUFFER_LEN) < BUFFER_LEN) {
+    Serial.println("Could not read first sample");
+    return;
+  }
+
+  if (audioFile.read(&wav_buffer_1, BUFFER_LEN) < BUFFER_LEN) {
+    Serial.println("Could not read second sample");
+    return;
+  }
+
+  audio_start();
+}
+
+void sd_loadNextAudio() {
+  if (!next_buffer_requested) {
+    return;
+  }
+  next_buffer_requested = false;
+
+  auto b4 = millis();
+  auto next_buffer = wav_buffer1_active ? &wav_buffer_0 : &wav_buffer_1;
+  auto bytesRead = audioFile.read(next_buffer, BUFFER_LEN);
+
+  if (bytesRead < BUFFER_LEN) {
+    Serial.println("End of audio file, rewinding...");
+    audioFile.seek(0);
+  } else {
+    Serial.print("Read ");
+    Serial.print(bytesRead);
+    Serial.print(" bytes from audio file in ");
+    Serial.print(millis() - b4);
+    Serial.println("ms");
+  }
+}
+
+bool sd_loadGfxFrameLengths() {
+  auto path = "badapple/gfx_len.bin";
+
+  if (!SD.exists(path)) {
+    Serial.println("Frame lengths file not found :(");
+    return false;
+  }
+
+  auto lengthsFile = SD.open(path, FILE_READ);
+  auto fileSize = lengthsFile.size();
+
+  if (fileSize > sizeof(gfxFrameLengthsBuffer)) {
+    Serial.println("Frame lengths file too large");
+    return false;
+  }
+
+  frameCount = fileSize / sizeof(uint16_t);
+
+  while (lengthsFile.available()) {
+    lengthsFile.read(&gfxFrameLengthsBuffer, sizeof(gfxFrameLengthsBuffer));
+  }
+
+  lengthsFile.close();
+  Serial.println("Done reading frame lengths");
+
+  return true;
+}
+
+File gfxFile;
+
+uint16_t frameIdx = 0;
+
+bool sd_loadGfxBlob() {
+  auto path = "badapple/gfx.bin";
+
+  if (!SD.exists(path)) {
+    Serial.println("Gfx blob file not found :(");
+    return false;
+  }
+
+  gfxFile = SD.open(path, FILE_READ);
+  Serial.println("Opened video frames");
+
+  return true;
+}
+
+// Returns size of frame read or -1 if error
+int32_t sd_loadNextFrame() {
+  if (!gfxFile || !gfxFile.available()) {
+    Serial.println("Gfx file not available");
+    return -1;
+  }
+
+  if (frameIdx >= frameCount) {
+    Serial.println("Frame out of range");
+    return -1;
+  }
+
+  // get size of frame png
+  auto frameSize = gfxFrameLengthsBuffer[frameIdx];
+  if (frameSize > sizeof(gfxFrameBuffer)) {
+    Serial.println("Frame too large");
+    return -1;
+  }
+
+  // read data
+  auto bytesRead = gfxFile.read(&gfxFrameBuffer, frameSize);
+  if (bytesRead < frameSize) {
+    Serial.println("Could not read the entire frame");
+    return -1;
+  }
+
+  // increment
+  if (frameIdx == frameCount - 1) {
+    Serial.println("Last frame, rewinding...");
+    gfxFile.seek(0);
+    frameIdx = 0;
+  } else {
+    frameIdx++;
+  }
+
+  return frameSize;
+}

firmware/src/sd.h

@@ -0,0 +1,12 @@
+#pragma once
+
+void setupSDPins();
+void setupSD();
+
+bool isSDCardInserted();
+
+void sd_loadAudio();
+void sd_loadNextAudio();
+bool sd_loadGfxFrameLengths();
+bool sd_loadGfxBlob();
+int32_t sd_loadNextFrame();

firmware/src/sd_pinout.txt

@@ -0,0 +1,10 @@
+
+                  17
+DAT1   GND  +3V3   CS     SHLD
+  2     4     6     8     10
+  1     3     5     7     9
+DET   MISO   CLK   MOSI   DAT2
+28     16    18     19
+
+
+

pcb/MainBoard/MainBoard.kicad_pro

@@ -2,12 +2,221 @@
   "board": {
     "3dviewports": [],
     "design_settings": {
-      "defaults": {},
-      "diff_pair_dimensions": [],
+      "defaults": {
+        "apply_defaults_to_fp_fields": false,
+        "apply_defaults_to_fp_shapes": false,
+        "apply_defaults_to_fp_text": false,
+        "board_outline_line_width": 0.049999999999999996,
+        "copper_line_width": 0.19999999999999998,
+        "copper_text_italic": false,
+        "copper_text_size_h": 1.5,
+        "copper_text_size_v": 1.5,
+        "copper_text_thickness": 0.3,
+        "copper_text_upright": false,
+        "courtyard_line_width": 0.049999999999999996,
+        "dimension_precision": 4,
+        "dimension_units": 3,
+        "dimensions": {
+          "arrow_length": 1270000,
+          "extension_offset": 500000,
+          "keep_text_aligned": true,
+          "suppress_zeroes": false,
+          "text_position": 0,
+          "units_format": 1
+        },
+        "fab_line_width": 0.09999999999999999,
+        "fab_text_italic": false,
+        "fab_text_size_h": 1.0,
+        "fab_text_size_v": 1.0,
+        "fab_text_thickness": 0.15,
+        "fab_text_upright": false,
+        "other_line_width": 0.09999999999999999,
+        "other_text_italic": false,
+        "other_text_size_h": 1.0,
+        "other_text_size_v": 1.0,
+        "other_text_thickness": 0.15,
+        "other_text_upright": false,
+        "pads": {
+          "drill": 0.762,
+          "height": 1.524,
+          "width": 1.524
+        },
+        "silk_line_width": 0.09999999999999999,
+        "silk_text_italic": false,
+        "silk_text_size_h": 1.0,
+        "silk_text_size_v": 1.0,
+        "silk_text_thickness": 0.09999999999999999,
+        "silk_text_upright": false,
+        "zones": {
+          "min_clearance": 0.5
+        }
+      },
+      "diff_pair_dimensions": [
+        {
+          "gap": 0.0,
+          "via_gap": 0.0,
+          "width": 0.0
+        }
+      ],
       "drc_exclusions": [],
-      "rules": {},
-      "track_widths": [],
-      "via_dimensions": []
+      "meta": {
+        "version": 2
+      },
+      "rule_severities": {
+        "annular_width": "error",
+        "clearance": "error",
+        "connection_width": "warning",
+        "copper_edge_clearance": "error",
+        "copper_sliver": "warning",
+        "courtyards_overlap": "error",
+        "diff_pair_gap_out_of_range": "error",
+        "diff_pair_uncoupled_length_too_long": "error",
+        "drill_out_of_range": "error",
+        "duplicate_footprints": "warning",
+        "extra_footprint": "warning",
+        "footprint": "error",
+        "footprint_symbol_mismatch": "warning",
+        "footprint_type_mismatch": "ignore",
+        "hole_clearance": "error",
+        "hole_near_hole": "error",
+        "invalid_outline": "error",
+        "isolated_copper": "warning",
+        "item_on_disabled_layer": "error",
+        "items_not_allowed": "error",
+        "length_out_of_range": "error",
+        "lib_footprint_issues": "warning",
+        "lib_footprint_mismatch": "warning",
+        "malformed_courtyard": "error",
+        "microvia_drill_out_of_range": "error",
+        "missing_courtyard": "ignore",
+        "missing_footprint": "warning",
+        "net_conflict": "warning",
+        "npth_inside_courtyard": "ignore",
+        "padstack": "warning",
+        "pth_inside_courtyard": "ignore",
+        "shorting_items": "error",
+        "silk_edge_clearance": "warning",
+        "silk_over_copper": "warning",
+        "silk_overlap": "warning",
+        "skew_out_of_range": "error",
+        "solder_mask_bridge": "error",
+        "starved_thermal": "error",
+        "text_height": "warning",
+        "text_thickness": "warning",
+        "through_hole_pad_without_hole": "error",
+        "too_many_vias": "error",
+        "track_dangling": "warning",
+        "track_width": "error",
+        "tracks_crossing": "error",
+        "unconnected_items": "error",
+        "unresolved_variable": "error",
+        "via_dangling": "warning",
+        "zones_intersect": "error"
+      },
+      "rules": {
+        "max_error": 0.005,
+        "min_clearance": 0.0,
+        "min_connection": 0.0,
+        "min_copper_edge_clearance": 0.5,
+        "min_hole_clearance": 0.25,
+        "min_hole_to_hole": 0.25,
+        "min_microvia_diameter": 0.19999999999999998,
+        "min_microvia_drill": 0.09999999999999999,
+        "min_resolved_spokes": 2,
+        "min_silk_clearance": 0.0,
+        "min_text_height": 0.7999999999999999,
+        "min_text_thickness": 0.08,
+        "min_through_hole_diameter": 0.3,
+        "min_track_width": 0.0,
+        "min_via_annular_width": 0.09999999999999999,
+        "min_via_diameter": 0.5,
+        "solder_mask_to_copper_clearance": 0.0,
+        "use_height_for_length_calcs": true
+      },
+      "teardrop_options": [
+        {
+          "td_onpadsmd": true,
+          "td_onroundshapesonly": false,
+          "td_ontrackend": false,
+          "td_onviapad": true
+        }
+      ],
+      "teardrop_parameters": [
+        {
+          "td_allow_use_two_tracks": true,
+          "td_curve_segcount": 0,
+          "td_height_ratio": 1.0,
+          "td_length_ratio": 0.5,
+          "td_maxheight": 2.0,
+          "td_maxlen": 1.0,
+          "td_on_pad_in_zone": false,
+          "td_target_name": "td_round_shape",
+          "td_width_to_size_filter_ratio": 0.9
+        },
+        {
+          "td_allow_use_two_tracks": true,
+          "td_curve_segcount": 0,
+          "td_height_ratio": 1.0,
+          "td_length_ratio": 0.5,
+          "td_maxheight": 2.0,
+          "td_maxlen": 1.0,
+          "td_on_pad_in_zone": false,
+          "td_target_name": "td_rect_shape",
+          "td_width_to_size_filter_ratio": 0.9
+        },
+        {
+          "td_allow_use_two_tracks": true,
+          "td_curve_segcount": 0,
+          "td_height_ratio": 1.0,
+          "td_length_ratio": 0.5,
+          "td_maxheight": 2.0,
+          "td_maxlen": 1.0,
+          "td_on_pad_in_zone": false,
+          "td_target_name": "td_track_end",
+          "td_width_to_size_filter_ratio": 0.9
+        }
+      ],
+      "track_widths": [
+        0.0,
+        0.15
+      ],
+      "tuning_pattern_settings": {
+        "diff_pair_defaults": {
+          "corner_radius_percentage": 80,
+          "corner_style": 1,
+          "max_amplitude": 1.0,
+          "min_amplitude": 0.2,
+          "single_sided": false,
+          "spacing": 1.0
+        },
+        "diff_pair_skew_defaults": {
+          "corner_radius_percentage": 80,
+          "corner_style": 1,
+          "max_amplitude": 1.0,
+          "min_amplitude": 0.2,
+          "single_sided": false,
+          "spacing": 0.6
+        },
+        "single_track_defaults": {
+          "corner_radius_percentage": 80,
+          "corner_style": 1,
+          "max_amplitude": 1.0,
+          "min_amplitude": 0.2,
+          "single_sided": false,
+          "spacing": 0.6
+        }
+      },
+      "via_dimensions": [
+        {
+          "diameter": 0.0,
+          "drill": 0.0
+        },
+        {
+          "diameter": 0.3,
+          "drill": 0.6
+        }
+      ],
+      "zones_allow_external_fillets": false
     },
     "ipc2581": {
       "dist": "",
@@ -334,11 +543,41 @@
           "label": "DNP",
           "name": "${DNP}",
           "show": true
+        },
+        {
+          "group_by": false,
+          "label": "#",
+          "name": "${ITEM_NUMBER}",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "JLCPCB Position Offset",
+          "name": "JLCPCB Position Offset",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "JLCPCB Rotation Offset",
+          "name": "JLCPCB Rotation Offset",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "LCSC",
+          "name": "LCSC",
+          "show": false
+        },
+        {
+          "group_by": false,
+          "label": "Description",
+          "name": "Description",
+          "show": false
         }
       ],
       "filter_string": "",
       "group_symbols": true,
-      "name": "Grouped By Value",
+      "name": "",
       "sort_asc": true,
       "sort_field": "Reference"
     },

pcb/MainBoard/MainBoard.kicad_sch

@@ -3114,7 +3114,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "0ddb2a0e-e019-4526-bf84-023fab3d70a4")
-		(property "Reference" "R?"
+		(property "Reference" "R103"
 			(at 166.878 138.43 90)
 			(effects
 				(font
@@ -3175,7 +3175,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "R?")
+					(reference "R103")
 					(unit 1)
 				)
 			)
@@ -3191,7 +3191,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "0dff9781-a65e-48be-993c-2747f7537ede")
-		(property "Reference" "SW?"
+		(property "Reference" "SW102"
 			(at 77.47 113.03 0)
 			(effects
 				(font
@@ -3253,7 +3253,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "SW?")
+					(reference "SW102")
 					(unit 1)
 				)
 			)
@@ -3269,7 +3269,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "1159c2ed-16c8-4ddf-afa7-1aa9ad05106b")
-		(property "Reference" "SW?"
+		(property "Reference" "SW101"
 			(at 72.39 77.47 0)
 			(effects
 				(font
@@ -3331,7 +3331,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "SW?")
+					(reference "SW101")
 					(unit 1)
 				)
 			)
@@ -3347,7 +3347,7 @@
 		(dnp yes)
 		(fields_autoplaced yes)
 		(uuid "4f4d944b-7ee5-4f77-ab1c-a19c876e3b25")
-		(property "Reference" "C?"
+		(property "Reference" "C104"
 			(at 204.47 153.6699 0)
 			(effects
 				(font
@@ -3401,7 +3401,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "C?")
+					(reference "C104")
 					(unit 1)
 				)
 			)
@@ -3417,7 +3417,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "5c35570a-65be-4c56-beaf-cb06c285aa70")
-		(property "Reference" "#PWR050"
+		(property "Reference" "#PWR0102"
 			(at 184.15 31.75 0)
 			(effects
 				(font
@@ -3467,7 +3467,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR050")
+					(reference "#PWR0102")
 					(unit 1)
 				)
 			)
@@ -3483,7 +3483,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "6103710e-1888-4c9a-8d09-737825cfefe7")
-		(property "Reference" "#PWR055"
+		(property "Reference" "#PWR0103"
 			(at 191.77 31.75 0)
 			(effects
 				(font
@@ -3533,7 +3533,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR055")
+					(reference "#PWR0103")
 					(unit 1)
 				)
 			)
@@ -3548,7 +3548,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "6fcfbd12-0f92-49c7-bfd7-8aefcad74a12")
-		(property "Reference" "R?"
+		(property "Reference" "R104"
 			(at 166.878 140.97 90)
 			(effects
 				(font
@@ -3609,7 +3609,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "R?")
+					(reference "R104")
 					(unit 1)
 				)
 			)
@@ -3625,7 +3625,7 @@
 		(dnp yes)
 		(fields_autoplaced yes)
 		(uuid "7d8bbef6-7add-4440-a9d0-ac56aa861061")
-		(property "Reference" "C?"
+		(property "Reference" "C101"
 			(at 177.8 153.6699 0)
 			(effects
 				(font
@@ -3679,7 +3679,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "C?")
+					(reference "C101")
 					(unit 1)
 				)
 			)
@@ -3694,7 +3694,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "83514e53-7e92-4f9e-a154-d132f2de9182")
-		(property "Reference" "#PWR062"
+		(property "Reference" "#PWR0107"
 			(at 257.81 81.28 0)
 			(effects
 				(font
@@ -3745,7 +3745,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR062")
+					(reference "#PWR0107")
 					(unit 1)
 				)
 			)
@@ -3760,7 +3760,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "8f92df9f-32ae-4ec4-81af-7648be21a863")
-		(property "Reference" "R?"
+		(property "Reference" "R102"
 			(at 88.9 120.65 90)
 			(effects
 				(font
@@ -3821,7 +3821,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "R?")
+					(reference "R102")
 					(unit 1)
 				)
 			)
@@ -3837,7 +3837,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "a078f474-117f-4512-bb60-3dbcaad85b66")
-		(property "Reference" "#PWR061"
+		(property "Reference" "#PWR0104"
 			(at 262.89 60.96 0)
 			(effects
 				(font
@@ -3887,7 +3887,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR061")
+					(reference "#PWR0104")
 					(unit 1)
 				)
 			)
@@ -3902,7 +3902,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "a1f7cdc1-9595-40dd-a086-53a492b6af6c")
-		(property "Reference" "#PWR048"
+		(property "Reference" "#PWR0108"
 			(at 67.31 90.17 0)
 			(effects
 				(font
@@ -3953,7 +3953,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR048")
+					(reference "#PWR0108")
 					(unit 1)
 				)
 			)
@@ -3968,7 +3968,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "a9b4f16d-0566-47db-aa59-d76ad3b8731c")
-		(property "Reference" "#PWR059"
+		(property "Reference" "#PWR0109"
 			(at 72.39 125.73 0)
 			(effects
 				(font
@@ -4019,7 +4019,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR059")
+					(reference "#PWR0109")
 					(unit 1)
 				)
 			)
@@ -4035,7 +4035,7 @@
 		(dnp yes)
 		(fields_autoplaced yes)
 		(uuid "ac120195-35bc-4f7e-a694-34c56f091573")
-		(property "Reference" "C?"
+		(property "Reference" "C102"
 			(at 186.69 153.6699 0)
 			(effects
 				(font
@@ -4089,7 +4089,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "C?")
+					(reference "C102")
 					(unit 1)
 				)
 			)
@@ -4105,7 +4105,7 @@
 		(dnp yes)
 		(fields_autoplaced yes)
 		(uuid "af77026b-50de-4c53-878c-bbbe877ab478")
-		(property "Reference" "C?"
+		(property "Reference" "C103"
 			(at 195.58 153.6699 0)
 			(effects
 				(font
@@ -4159,7 +4159,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "C?")
+					(reference "C103")
 					(unit 1)
 				)
 			)
@@ -4175,7 +4175,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "b1747201-6fa0-4b31-b42e-69d6a363fe36")
-		(property "Reference" "#PWR060"
+		(property "Reference" "#PWR0105"
 			(at 269.24 60.96 0)
 			(effects
 				(font
@@ -4225,7 +4225,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR060")
+					(reference "#PWR0105")
 					(unit 1)
 				)
 			)
@@ -4241,7 +4241,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "b8f05c68-cb38-4763-a1f8-900508e3ac59")
-		(property "Reference" "#PWR056"
+		(property "Reference" "#PWR0106"
 			(at 128.27 68.58 0)
 			(effects
 				(font
@@ -4291,7 +4291,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR056")
+					(reference "#PWR0106")
 					(unit 1)
 				)
 			)
@@ -4307,7 +4307,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "c2178403-44c7-4b40-9ef3-f1d55c698a17")
-		(property "Reference" "J?"
+		(property "Reference" "J101"
 			(at 248.92 54.61 0)
 			(effects
 				(font
@@ -4383,7 +4383,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "J?")
+					(reference "J101")
 					(unit 1)
 				)
 			)
@@ -4398,7 +4398,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "cb0022db-86d7-4427-ba0d-b17c40cffb2d")
-		(property "Reference" "R?"
+		(property "Reference" "R101"
 			(at 83.82 85.09 90)
 			(effects
 				(font
@@ -4459,7 +4459,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "R?")
+					(reference "R101")
 					(unit 1)
 				)
 			)
@@ -4475,7 +4475,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "db39e49b-694f-4090-b9eb-bd429a849cee")
-		(property "Reference" "#PWR054"
+		(property "Reference" "#PWR0101"
 			(at 176.53 31.75 0)
 			(effects
 				(font
@@ -4525,7 +4525,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR054")
+					(reference "#PWR0101")
 					(unit 1)
 				)
 			)
@@ -4540,7 +4540,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "dc693be4-574d-4600-925a-4427829d1855")
-		(property "Reference" "#PWR047"
+		(property "Reference" "#PWR0110"
 			(at 187.96 168.91 0)
 			(effects
 				(font
@@ -4591,7 +4591,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3"
-					(reference "#PWR047")
+					(reference "#PWR0110")
 					(unit 1)
 				)
 			)

pcb/MainBoard/audio.kicad_sch

@@ -787,6 +787,16 @@
 		)
 		(uuid "e5922f6b-454e-4ae4-8eea-d9bb45efbb04")
 	)
+	(text "220R is VERY loud"
+		(exclude_from_sim no)
+		(at 60.96 35.814 0)
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+		)
+		(uuid "3a8e57bf-0b15-44ce-b0e8-e3c71fc72ce9")
+	)
 	(text "Taken from \"Hardware design with RP2040\""
 		(exclude_from_sim no)
 		(at 89.916 30.48 0)
@@ -841,7 +851,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "218541cd-266b-4288-b1cf-8c2c5a2a76f3")
-		(property "Reference" "C?"
+		(property "Reference" "C801"
 			(at 93.98 39.37 90)
 			(effects
 				(font
@@ -902,7 +912,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/904908f8-cc64-4489-8602-62e4a247065b"
-					(reference "C?")
+					(reference "C801")
 					(unit 1)
 				)
 			)
@@ -917,7 +927,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "21ebb72f-9bad-4d6e-b046-8bb788495541")
-		(property "Reference" "J?"
+		(property "Reference" "J801"
 			(at 148.59 47.6249 0)
 			(effects
 				(font
@@ -974,7 +984,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/904908f8-cc64-4489-8602-62e4a247065b"
-					(reference "J?")
+					(reference "J801")
 					(unit 1)
 				)
 			)
@@ -990,7 +1000,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "591414c1-f0c6-474d-8cf2-1f77c911a949")
-		(property "Reference" "#PWR057"
+		(property "Reference" "#PWR0802"
 			(at 77.47 72.39 0)
 			(effects
 				(font
@@ -1040,7 +1050,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/904908f8-cc64-4489-8602-62e4a247065b"
-					(reference "#PWR057")
+					(reference "#PWR0802")
 					(unit 1)
 				)
 			)
@@ -1055,7 +1065,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "69000ac8-44f8-43d8-ac2d-381fc14dbb48")
-		(property "Reference" "R?"
+		(property "Reference" "R802"
 			(at 86.36 53.3399 0)
 			(effects
 				(font
@@ -1118,7 +1128,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/904908f8-cc64-4489-8602-62e4a247065b"
-					(reference "R?")
+					(reference "R802")
 					(unit 1)
 				)
 			)
@@ -1133,7 +1143,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "71589ecf-30c4-42bc-8654-cfbb67c3ae5f")
-		(property "Reference" "R?"
+		(property "Reference" "R803"
 			(at 106.68 53.3399 0)
 			(effects
 				(font
@@ -1196,7 +1206,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/904908f8-cc64-4489-8602-62e4a247065b"
-					(reference "R?")
+					(reference "R803")
 					(unit 1)
 				)
 			)
@@ -1212,7 +1222,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "96e25386-133e-4ec9-b746-ce0c1297d539")
-		(property "Reference" "C?"
+		(property "Reference" "C802"
 			(at 73.66 53.3399 0)
 			(effects
 				(font
@@ -1275,7 +1285,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/904908f8-cc64-4489-8602-62e4a247065b"
-					(reference "C?")
+					(reference "C802")
 					(unit 1)
 				)
 			)
@@ -1292,7 +1302,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "ebdfd6b2-781f-4704-91eb-fef71c4d16c2")
-		(property "Reference" "R?"
+		(property "Reference" "R801"
 			(at 62.23 40.64 90)
 			(effects
 				(font
@@ -1300,7 +1310,7 @@
 				)
 			)
 		)
-		(property "Value" "220R"
+		(property "Value" "470R"
 			(at 62.23 43.18 90)
 			(effects
 				(font
@@ -1308,7 +1318,7 @@
 				)
 			)
 		)
-		(property "Footprint" "Resistor_SMD:R_0402_1005Metric"
+		(property "Footprint" "Resistor_SMD:R_0603_1608Metric"
 			(at 62.23 45.212 90)
 			(effects
 				(font
@@ -1335,7 +1345,7 @@
 				(hide yes)
 			)
 		)
-		(property "LCSC" "C25091"
+		(property "LCSC" "C23179"
 			(at 62.23 46.99 0)
 			(effects
 				(font
@@ -1353,7 +1363,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/904908f8-cc64-4489-8602-62e4a247065b"
-					(reference "R?")
+					(reference "R801")
 					(unit 1)
 				)
 			)
@@ -1369,7 +1379,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "fa0e0f28-b727-4818-8775-911f24748898")
-		(property "Reference" "#PWR058"
+		(property "Reference" "#PWR0801"
 			(at 130.81 62.23 0)
 			(effects
 				(font
@@ -1419,7 +1429,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/904908f8-cc64-4489-8602-62e4a247065b"
-					(reference "#PWR058")
+					(reference "#PWR0801")
 					(unit 1)
 				)
 			)

pcb/MainBoard/can.kicad_sch

@@ -1224,7 +1224,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "28277689-0237-45a7-a971-a1a8fc01d642")
-		(property "Reference" "R?"
+		(property "Reference" "R601"
 			(at 110.49 62.2299 0)
 			(effects
 				(font
@@ -1287,7 +1287,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/085d11a9-fbb6-4cf1-879a-d3aa30071fa1"
-					(reference "R?")
+					(reference "R601")
 					(unit 1)
 				)
 			)
@@ -1303,7 +1303,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "2c4b556f-3ca8-4341-a2e3-31ca78a0f6ae")
-		(property "Reference" "#PWR049"
+		(property "Reference" "#PWR0601"
 			(at 130.81 57.15 0)
 			(effects
 				(font
@@ -1353,7 +1353,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/085d11a9-fbb6-4cf1-879a-d3aa30071fa1"
-					(reference "#PWR049")
+					(reference "#PWR0601")
 					(unit 1)
 				)
 			)
@@ -1369,7 +1369,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "661c70b7-ffee-49c5-8f2c-8041b8cfce7f")
-		(property "Reference" "C?"
+		(property "Reference" "C601"
 			(at 152.4 57.1499 0)
 			(effects
 				(font
@@ -1432,7 +1432,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/085d11a9-fbb6-4cf1-879a-d3aa30071fa1"
-					(reference "C?")
+					(reference "C601")
 					(unit 1)
 				)
 			)
@@ -1448,7 +1448,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "784bf6b4-29d9-45f6-b3d7-7ed18458e358")
-		(property "Reference" "#PWR053"
+		(property "Reference" "#PWR0603"
 			(at 213.36 80.01 0)
 			(effects
 				(font
@@ -1498,7 +1498,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/085d11a9-fbb6-4cf1-879a-d3aa30071fa1"
-					(reference "#PWR053")
+					(reference "#PWR0603")
 					(unit 1)
 				)
 			)
@@ -1514,7 +1514,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "9367dd95-57dd-405e-8448-e012f5e2e585")
-		(property "Reference" "U?"
+		(property "Reference" "U601"
 			(at 133.0041 64.77 0)
 			(effects
 				(font
@@ -1596,7 +1596,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/085d11a9-fbb6-4cf1-879a-d3aa30071fa1"
-					(reference "U?")
+					(reference "U601")
 					(unit 1)
 				)
 			)
@@ -1611,7 +1611,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "99b5a895-a336-4cd5-87ab-4b98e36b2f14")
-		(property "Reference" "D?"
+		(property "Reference" "D601"
 			(at 208.026 63.246 0)
 			(effects
 				(font
@@ -1629,7 +1629,7 @@
 				(hide yes)
 			)
 		)
-		(property "Footprint" "can:DFN1006_TVS"
+		(property "Footprint" "led-matrix:DFN1006_TVS"
 			(at 203.2 64.77 0)
 			(effects
 				(font
@@ -1674,7 +1674,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/085d11a9-fbb6-4cf1-879a-d3aa30071fa1"
-					(reference "D?")
+					(reference "D601")
 					(unit 1)
 				)
 			)
@@ -1690,7 +1690,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "d3be4ed4-d3e1-4c14-ad0b-d21f34debbc8")
-		(property "Reference" "#PWR052"
+		(property "Reference" "#PWR0604"
 			(at 130.81 97.79 0)
 			(effects
 				(font
@@ -1740,7 +1740,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/085d11a9-fbb6-4cf1-879a-d3aa30071fa1"
-					(reference "#PWR052")
+					(reference "#PWR0604")
 					(unit 1)
 				)
 			)
@@ -1756,7 +1756,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "d982d335-ace9-4e63-95a4-6c1f5f42c6c1")
-		(property "Reference" "#PWR051"
+		(property "Reference" "#PWR0602"
 			(at 148.59 68.58 0)
 			(effects
 				(font
@@ -1806,7 +1806,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/085d11a9-fbb6-4cf1-879a-d3aa30071fa1"
-					(reference "#PWR051")
+					(reference "#PWR0602")
 					(unit 1)
 				)
 			)
@@ -1821,7 +1821,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "fc7c75d2-5657-43aa-9e06-cc826da2c90c")
-		(property "Reference" "D?"
+		(property "Reference" "D602"
 			(at 208.026 67.056 0)
 			(effects
 				(font
@@ -1839,7 +1839,7 @@
 				(hide yes)
 			)
 		)
-		(property "Footprint" "can:DFN1006_TVS"
+		(property "Footprint" "led-matrix:DFN1006_TVS"
 			(at 203.2 68.58 0)
 			(effects
 				(font
@@ -1884,7 +1884,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/085d11a9-fbb6-4cf1-879a-d3aa30071fa1"
-					(reference "D?")
+					(reference "D602")
 					(unit 1)
 				)
 			)

pcb/MainBoard/power.kicad_sch

@@ -2384,7 +2384,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "00c20118-7aaf-403b-840c-6d7fe37361e3")
-		(property "Reference" "C?"
+		(property "Reference" "C703"
 			(at 196.85 42.672 0)
 			(effects
 				(font
@@ -2447,7 +2447,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "C?")
+					(reference "C703")
 					(unit 1)
 				)
 			)
@@ -2462,7 +2462,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "171189d3-c5c1-49a4-8211-050baa7cb8c6")
-		(property "Reference" "U?"
+		(property "Reference" "U702"
 			(at 79.248 103.378 0)
 			(effects
 				(font
@@ -2532,7 +2532,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "U?")
+					(reference "U702")
 					(unit 1)
 				)
 			)
@@ -2548,7 +2548,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "1779df42-22a9-4d7d-b098-e4a77233afb7")
-		(property "Reference" "#PWR043"
+		(property "Reference" "#PWR0708"
 			(at 45.72 157.48 0)
 			(effects
 				(font
@@ -2599,7 +2599,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "#PWR043")
+					(reference "#PWR0708")
 					(unit 1)
 				)
 			)
@@ -2614,7 +2614,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "3caf8ffb-c094-40f2-adb0-e10c8c220e61")
-		(property "Reference" "TP?"
+		(property "Reference" "TP701"
 			(at 196.088 24.638 0)
 			(effects
 				(font
@@ -2666,7 +2666,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "TP?")
+					(reference "TP701")
 					(unit 1)
 				)
 			)
@@ -2682,7 +2682,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "464d39c6-d480-4cd8-92e3-bb1636d1c187")
-		(property "Reference" "#PWR066"
+		(property "Reference" "#PWR0707"
 			(at 72.39 127 0)
 			(effects
 				(font
@@ -2733,7 +2733,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "#PWR066")
+					(reference "#PWR0707")
 					(unit 1)
 				)
 			)
@@ -2748,7 +2748,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "49f67082-1f90-4ec5-bf86-4689269194c5")
-		(property "Reference" "TP?"
+		(property "Reference" "TP703"
 			(at 89.408 28.448 0)
 			(effects
 				(font
@@ -2800,7 +2800,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "TP?")
+					(reference "TP703")
 					(unit 1)
 				)
 			)
@@ -2817,7 +2817,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "6f0c503f-7c50-4985-bb0b-fb820e671707")
-		(property "Reference" "R?"
+		(property "Reference" "R703"
 			(at 35.56 111.76 90)
 			(effects
 				(font
@@ -2880,7 +2880,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "R?")
+					(reference "R703")
 					(unit 1)
 				)
 			)
@@ -2896,7 +2896,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "7412fbcc-a447-4e6b-a925-f17754a300e9")
-		(property "Reference" "R?"
+		(property "Reference" "R701"
 			(at 128.27 88.8999 0)
 			(effects
 				(font
@@ -2959,7 +2959,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "R?")
+					(reference "R701")
 					(unit 1)
 				)
 			)
@@ -2974,7 +2974,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "774c75a6-8287-400f-ba02-eadb6c749874")
-		(property "Reference" "TP?"
+		(property "Reference" "TP702"
 			(at 69.088 28.448 0)
 			(effects
 				(font
@@ -3026,7 +3026,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "TP?")
+					(reference "TP702")
 					(unit 1)
 				)
 			)
@@ -3042,7 +3042,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "7d22c48d-8e96-48ec-a0b9-1e110355b449")
-		(property "Reference" "C?"
+		(property "Reference" "C708"
 			(at 49.53 143.5099 0)
 			(effects
 				(font
@@ -3105,7 +3105,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "C?")
+					(reference "C708")
 					(unit 1)
 				)
 			)
@@ -3121,7 +3121,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "84e0e7b8-78f8-497b-9c7b-67c5c5434b9b")
-		(property "Reference" "#PWR046"
+		(property "Reference" "#PWR0703"
 			(at 184.15 54.61 0)
 			(effects
 				(font
@@ -3172,7 +3172,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "#PWR046")
+					(reference "#PWR0703")
 					(unit 1)
 				)
 			)
@@ -3187,7 +3187,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "887a75f5-f687-46c9-a14c-6a9121127e69")
-		(property "Reference" "C?"
+		(property "Reference" "C702"
 			(at 186.69 42.672 0)
 			(effects
 				(font
@@ -3250,7 +3250,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "C?")
+					(reference "C702")
 					(unit 1)
 				)
 			)
@@ -3265,7 +3265,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "8c87a53a-1bf6-43de-9e7a-6d27e3e56aaf")
-		(property "Reference" "U?"
+		(property "Reference" "U701"
 			(at 174.244 26.924 0)
 			(effects
 				(font
@@ -3329,7 +3329,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "U?")
+					(reference "U701")
 					(unit 1)
 				)
 			)
@@ -3344,7 +3344,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "98b100f9-13b3-483b-a9f4-2691303331cc")
-		(property "Reference" "C?"
+		(property "Reference" "C701"
 			(at 153.924 42.672 0)
 			(effects
 				(font
@@ -3407,7 +3407,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "C?")
+					(reference "C701")
 					(unit 1)
 				)
 			)
@@ -3423,7 +3423,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "9a65b0f7-2385-408b-9f4e-b4af3ce8dff5")
-		(property "Reference" "C?"
+		(property "Reference" "C706"
 			(at 67.31 44.4499 0)
 			(effects
 				(font
@@ -3486,7 +3486,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "C?")
+					(reference "C706")
 					(unit 1)
 				)
 			)
@@ -3501,7 +3501,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "aabaff18-d230-4b17-bc3f-1ae99c927296")
-		(property "Reference" "TP?"
+		(property "Reference" "TP705"
 			(at 50.8 117.3479 0)
 			(effects
 				(font
@@ -3552,7 +3552,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "TP?")
+					(reference "TP705")
 					(unit 1)
 				)
 			)
@@ -3568,7 +3568,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "af0872b6-973e-4841-b930-33b5047cb21c")
-		(property "Reference" "#PWR068"
+		(property "Reference" "#PWR0706"
 			(at 125.73 106.68 0)
 			(effects
 				(font
@@ -3619,7 +3619,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "#PWR068")
+					(reference "#PWR0706")
 					(unit 1)
 				)
 			)
@@ -3635,7 +3635,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "bf3ffeff-32af-4f5d-a190-c6c6d7cc6b8f")
-		(property "Reference" "#PWR042"
+		(property "Reference" "#PWR0704"
 			(at 38.1 64.77 0)
 			(effects
 				(font
@@ -3686,7 +3686,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "#PWR042")
+					(reference "#PWR0704")
 					(unit 1)
 				)
 			)
@@ -3701,7 +3701,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "bfd296df-cc2c-41f1-9f96-cba32a58a1fe")
-		(property "Reference" "C?"
+		(property "Reference" "C707"
 			(at 85.09 93.9799 0)
 			(effects
 				(font
@@ -3764,7 +3764,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "C?")
+					(reference "C707")
 					(unit 1)
 				)
 			)
@@ -3780,7 +3780,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "c83893a3-0f3f-40cc-ac5b-4c2ab9d9b1bd")
-		(property "Reference" "C?"
+		(property "Reference" "C705"
 			(at 54.61 44.4499 0)
 			(effects
 				(font
@@ -3843,7 +3843,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "C?")
+					(reference "C705")
 					(unit 1)
 				)
 			)
@@ -3859,7 +3859,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "c96a9ae7-ca7b-4188-a75b-1adc8db85d40")
-		(property "Reference" "#PWR044"
+		(property "Reference" "#PWR0701"
 			(at 161.29 54.61 0)
 			(effects
 				(font
@@ -3910,7 +3910,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "#PWR044")
+					(reference "#PWR0701")
 					(unit 1)
 				)
 			)
@@ -3926,7 +3926,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "d6685ea6-8f33-46e2-9a6e-7232299752ab")
-		(property "Reference" "#PWR067"
+		(property "Reference" "#PWR0705"
 			(at 83.82 106.68 0)
 			(effects
 				(font
@@ -3977,7 +3977,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "#PWR067")
+					(reference "#PWR0705")
 					(unit 1)
 				)
 			)
@@ -3992,7 +3992,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "e64a90c5-838e-417e-91c8-d4e02890aa9c")
-		(property "Reference" "F?"
+		(property "Reference" "F701"
 			(at 77.47 30.226 90)
 			(effects
 				(font
@@ -4008,7 +4008,7 @@
 				)
 			)
 		)
-		(property "Footprint" ""
+		(property "Footprint" "Fuse:Fuse_1210_3225Metric_Pad1.42x2.65mm_HandSolder"
 			(at 72.39 38.1 0)
 			(effects
 				(font
@@ -4054,7 +4054,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "F?")
+					(reference "F701")
 					(unit 1)
 				)
 			)
@@ -4069,7 +4069,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "e6f71306-1ab3-4004-969d-b4df74612724")
-		(property "Reference" "#PWR045"
+		(property "Reference" "#PWR0702"
 			(at 173.99 54.61 0)
 			(effects
 				(font
@@ -4120,7 +4120,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "#PWR045")
+					(reference "#PWR0702")
 					(unit 1)
 				)
 			)
@@ -4137,7 +4137,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "ef4ef63f-7f32-4db4-ace3-08dd396fbfb3")
-		(property "Reference" "R?"
+		(property "Reference" "R702"
 			(at 31.75 111.76 90)
 			(effects
 				(font
@@ -4200,7 +4200,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "R?")
+					(reference "R702")
 					(unit 1)
 				)
 			)
@@ -4216,7 +4216,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "fb3d7eca-cd5b-4ef4-8fd3-4ce5fcc4f27c")
-		(property "Reference" "C?"
+		(property "Reference" "C704"
 			(at 41.91 43.5609 0)
 			(effects
 				(font
@@ -4279,7 +4279,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "C?")
+					(reference "C704")
 					(unit 1)
 				)
 			)
@@ -4296,7 +4296,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "fe484920-fc79-4ad4-a7bf-512f087b23c4")
-		(property "Reference" "R?"
+		(property "Reference" "R704"
 			(at 39.37 111.76 90)
 			(effects
 				(font
@@ -4359,7 +4359,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "R?")
+					(reference "R704")
 					(unit 1)
 				)
 			)
@@ -4374,7 +4374,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "ff5dca85-955b-4676-b448-d60b96b1b673")
-		(property "Reference" "TP?"
+		(property "Reference" "TP704"
 			(at 50.8 97.0279 0)
 			(effects
 				(font
@@ -4425,7 +4425,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/dd417ba1-23df-493d-8bf9-742d6a12b9ca"
-					(reference "TP?")
+					(reference "TP704")
 					(unit 1)
 				)
 			)

pcb/MainBoard/rp2040.kicad_sch

@@ -2525,6 +2525,16 @@
 		)
 		(uuid "1c36a5cc-8df7-46d5-9715-01ab72579d16")
 	)
+	(wire
+		(pts
+			(xy 39.37 88.9) (xy 49.53 88.9)
+		)
+		(stroke
+			(width 0)
+			(type default)
+		)
+		(uuid "1c586a2c-493a-43d1-9ebb-7813fc5d6f05")
+	)
 	(wire
 		(pts
 			(xy 54.61 109.22) (xy 60.96 109.22)
@@ -3015,16 +3025,6 @@
 		)
 		(uuid "70d02162-c94d-4346-9c23-bca7ccc611b0")
 	)
-	(wire
-		(pts
-			(xy 39.37 88.9) (xy 49.53 88.9)
-		)
-		(stroke
-			(width 0)
-			(type default)
-		)
-		(uuid "710b3288-64c4-472e-a6a5-76d823997ff7")
-	)
 	(wire
 		(pts
 			(xy 102.87 40.64) (xy 105.41 40.64)
@@ -4083,6 +4083,28 @@
 		)
 		(uuid "202b8762-4b28-4e12-9f4c-7e26e26b4786")
 	)
+	(label "XTAL_OUT"
+		(at 55.88 88.9 0)
+		(fields_autoplaced yes)
+		(effects
+			(font
+				(size 0.65 0.65)
+			)
+			(justify left bottom)
+		)
+		(uuid "536b7ed6-4870-491a-bac1-79137851bdc7")
+	)
+	(label "XTAL_OUT_B"
+		(at 43.18 88.9 0)
+		(fields_autoplaced yes)
+		(effects
+			(font
+				(size 0.65 0.65)
+			)
+			(justify left bottom)
+		)
+		(uuid "76fbe1cb-5605-493b-b996-70ab21959f71")
+	)
 	(label "QSPI_CLK"
 		(at 49.53 111.76 0)
 		(fields_autoplaced yes)
@@ -4127,6 +4149,17 @@
 		)
 		(uuid "bf2d99b3-2cef-4e78-8f6e-6d805b3f983e")
 	)
+	(label "XTAL_IN"
+		(at 55.88 82.55 0)
+		(fields_autoplaced yes)
+		(effects
+			(font
+				(size 0.65 0.65)
+			)
+			(justify left bottom)
+		)
+		(uuid "c226fa91-711b-47b9-b8a4-8ee154372c45")
+	)
 	(label "USB_DT-"
 		(at 49.53 72.39 0)
 		(fields_autoplaced yes)
@@ -4679,7 +4712,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "05da1c31-d80a-4b1a-8f1d-3a5a054d5a3f")
-		(property "Reference" "C?"
+		(property "Reference" "C406"
 			(at 68.58 22.8599 0)
 			(effects
 				(font
@@ -4742,7 +4775,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C406")
 					(unit 1)
 				)
 			)
@@ -4759,7 +4792,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "05e926ac-5680-4c82-b25d-ef45bb74115a")
-		(property "Reference" "#PWR027"
+		(property "Reference" "#PWR0403"
 			(at 134.62 40.64 0)
 			(effects
 				(font
@@ -4810,7 +4843,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR027")
+					(reference "#PWR0403")
 					(unit 1)
 				)
 			)
@@ -4826,7 +4859,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "1f2c0671-a34f-4874-a133-fab93744416a")
-		(property "Reference" "#PWR032"
+		(property "Reference" "#PWR0409"
 			(at 39.37 97.79 0)
 			(effects
 				(font
@@ -4877,7 +4910,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR032")
+					(reference "#PWR0409")
 					(unit 1)
 				)
 			)
@@ -4894,7 +4927,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "2a7fe22f-1257-4898-bfea-2d37f29601f1")
-		(property "Reference" "#PWR031"
+		(property "Reference" "#PWR0408"
 			(at 43.18 67.31 0)
 			(effects
 				(font
@@ -4945,7 +4978,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR031")
+					(reference "#PWR0408")
 					(unit 1)
 				)
 			)
@@ -4961,7 +4994,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "309d68ed-390a-4c6e-9013-3b5f9580a24e")
-		(property "Reference" "#PWR037"
+		(property "Reference" "#PWR0412"
 			(at 40.64 160.02 0)
 			(effects
 				(font
@@ -5011,7 +5044,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR037")
+					(reference "#PWR0412")
 					(unit 1)
 				)
 			)
@@ -5026,7 +5059,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "31e9e0d0-3b3c-481a-ba2a-5468d82a72e3")
-		(property "Reference" "C?"
+		(property "Reference" "C403"
 			(at 41.91 22.8599 0)
 			(effects
 				(font
@@ -5089,7 +5122,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C403")
 					(unit 1)
 				)
 			)
@@ -5106,7 +5139,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "35de48ff-d809-4471-8f73-98c0d9cee2a5")
-		(property "Reference" "#PWR028"
+		(property "Reference" "#PWR0406"
 			(at 123.19 46.99 0)
 			(effects
 				(font
@@ -5157,7 +5190,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR028")
+					(reference "#PWR0406")
 					(unit 1)
 				)
 			)
@@ -5173,7 +5206,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "36d992d0-f695-4745-9678-090a3b9a0258")
-		(property "Reference" "C?"
+		(property "Reference" "C416"
 			(at 67.31 160.0135 0)
 			(effects
 				(font
@@ -5236,7 +5269,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C416")
 					(unit 1)
 				)
 			)
@@ -5252,7 +5285,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "3757613b-8e6a-42f8-a0c8-81db4b8e3314")
-		(property "Reference" "#PWR029"
+		(property "Reference" "#PWR0405"
 			(at 66.04 44.45 0)
 			(effects
 				(font
@@ -5303,7 +5336,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR029")
+					(reference "#PWR0405")
 					(unit 1)
 				)
 			)
@@ -5319,7 +5352,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "4314de70-d399-4393-b3cc-1ec5d7b31e2e")
-		(property "Reference" "#PWR039"
+		(property "Reference" "#PWR0407"
 			(at 43.18 46.99 0)
 			(effects
 				(font
@@ -5369,7 +5402,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR039")
+					(reference "#PWR0407")
 					(unit 1)
 				)
 			)
@@ -5385,7 +5418,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "518af46f-e468-45d0-9ba9-4e09afd4ff61")
-		(property "Reference" "R?"
+		(property "Reference" "R405"
 			(at 38.1 160.0199 0)
 			(effects
 				(font
@@ -5448,7 +5481,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "R?")
+					(reference "R405")
 					(unit 1)
 				)
 			)
@@ -5463,7 +5496,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "52ef0789-6597-48b4-b7af-d7c1769baf01")
-		(property "Reference" "C?"
+		(property "Reference" "C414"
 			(at 26.67 81.28 90)
 			(effects
 				(font
@@ -5524,7 +5557,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C414")
 					(unit 1)
 				)
 			)
@@ -5539,7 +5572,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "5540c508-f7a9-4bde-8006-c4a83419068c")
-		(property "Reference" "C?"
+		(property "Reference" "C411"
 			(at 68.834 34.036 0)
 			(effects
 				(font
@@ -5602,7 +5635,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C411")
 					(unit 1)
 				)
 			)
@@ -5617,7 +5650,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "5596df5d-0e7e-48ed-9b78-f73f1126f79e")
-		(property "Reference" "C?"
+		(property "Reference" "C404"
 			(at 50.8 22.8599 0)
 			(effects
 				(font
@@ -5680,7 +5713,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C404")
 					(unit 1)
 				)
 			)
@@ -5695,7 +5728,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "5642f4da-1e63-465f-af80-0ccff38868d7")
-		(property "Reference" "C?"
+		(property "Reference" "C405"
 			(at 59.69 22.8599 0)
 			(effects
 				(font
@@ -5758,7 +5791,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C405")
 					(unit 1)
 				)
 			)
@@ -5773,7 +5806,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "5be3e4d7-906b-4b09-ac25-5acb7552cad5")
-		(property "Reference" "U?"
+		(property "Reference" "U401"
 			(at 112.268 131.826 0)
 			(effects
 				(font
@@ -5789,7 +5822,7 @@
 				)
 			)
 		)
-		(property "Footprint" "RadPie2040:RP2040-QFN-56"
+		(property "Footprint" "led-matrix:RP2040-QFN-56"
 			(at 67.31 31.75 0)
 			(effects
 				(font
@@ -6001,7 +6034,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "U?")
+					(reference "U401")
 					(unit 1)
 				)
 			)
@@ -6016,7 +6049,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "5cbaae38-820b-44ed-9d56-a0c4ff62d9cb")
-		(property "Reference" "R?"
+		(property "Reference" "R404"
 			(at 52.07 86.36 90)
 			(effects
 				(font
@@ -6077,7 +6110,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "R?")
+					(reference "R404")
 					(unit 1)
 				)
 			)
@@ -6092,7 +6125,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "7891a076-b364-469f-89cf-fdc6e07a67b7")
-		(property "Reference" "#PWR036"
+		(property "Reference" "#PWR0415"
 			(at 52.07 196.85 0)
 			(effects
 				(font
@@ -6143,7 +6176,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR036")
+					(reference "#PWR0415")
 					(unit 1)
 				)
 			)
@@ -6159,7 +6192,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "795e0f69-378d-47f4-b492-b79a5dc033a3")
-		(property "Reference" "#PWR034"
+		(property "Reference" "#PWR0411"
 			(at 92.71 143.51 0)
 			(effects
 				(font
@@ -6210,7 +6243,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR034")
+					(reference "#PWR0411")
 					(unit 1)
 				)
 			)
@@ -6225,7 +6258,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "7cd2980e-050c-4da5-a04b-cff725605981")
-		(property "Reference" "#PWR035"
+		(property "Reference" "#PWR0414"
 			(at 64.77 171.45 0)
 			(effects
 				(font
@@ -6276,7 +6309,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR035")
+					(reference "#PWR0414")
 					(unit 1)
 				)
 			)
@@ -6292,7 +6325,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "84451c67-1e83-47ff-a2bd-e8ad6718b8f4")
-		(property "Reference" "C?"
+		(property "Reference" "C413"
 			(at 39.878 57.912 0)
 			(effects
 				(font
@@ -6355,7 +6388,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C413")
 					(unit 1)
 				)
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@@ -6371,7 +6404,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "88198038-3db6-4dca-b6cb-7f6e6f4feebb")
-		(property "Reference" "#PWR030"
+		(property "Reference" "#PWR0404"
 			(at 22.86 41.91 0)
 			(effects
 				(font
@@ -6422,7 +6455,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR030")
+					(reference "#PWR0404")
 					(unit 1)
 				)
 			)
@@ -6437,7 +6470,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "9d35043b-d6ce-42e9-a3c7-0c5723605c27")
-		(property "Reference" "X?"
+		(property "Reference" "X401"
 			(at 43.18 91.44 90)
 			(effects
 				(font
@@ -6506,7 +6539,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "X?")
+					(reference "X401")
 					(unit 1)
 				)
 			)
@@ -6522,7 +6555,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "abe48a81-867c-4d86-94e5-b8d7a0d3c04b")
-		(property "Reference" "R?"
+		(property "Reference" "R401"
 			(at 40.64 46.9899 0)
 			(effects
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@@ -6585,7 +6618,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "R?")
+					(reference "R401")
 					(unit 1)
 				)
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@@ -6601,7 +6634,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "b8e53b04-4b8c-4317-8f51-fb8914e89997")
-		(property "Reference" "#PWR038"
+		(property "Reference" "#PWR0413"
 			(at 52.07 160.02 0)
 			(effects
 				(font
@@ -6651,7 +6684,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR038")
+					(reference "#PWR0413")
 					(unit 1)
 				)
 			)
@@ -6666,7 +6699,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "bf5b3e75-e30d-4468-bdff-7b0ce6a81680")
-		(property "Reference" "C?"
+		(property "Reference" "C415"
 			(at 26.67 87.63 90)
 			(effects
 				(font
@@ -6727,7 +6760,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C415")
 					(unit 1)
 				)
 			)
@@ -6743,7 +6776,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "c6f43259-3e1d-4c0c-a260-15470cba9a55")
-		(property "Reference" "C?"
+		(property "Reference" "C412"
 			(at 124.46 40.6401 0)
 			(effects
 				(font
@@ -6806,7 +6839,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C412")
 					(unit 1)
 				)
 			)
@@ -6822,7 +6855,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "c7f748e6-2c08-4b18-a1d9-96896867595f")
-		(property "Reference" "C?"
+		(property "Reference" "C410"
 			(at 133.35 25.3999 0)
 			(effects
 				(font
@@ -6885,7 +6918,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C410")
 					(unit 1)
 				)
 			)
@@ -6900,7 +6933,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "d6f0171a-276d-417f-96de-c06f0d766f90")
-		(property "Reference" "R?"
+		(property "Reference" "R403"
 			(at 39.37 71.12 90)
 			(effects
 				(font
@@ -6961,7 +6994,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "R?")
+					(reference "R403")
 					(unit 1)
 				)
 			)
@@ -6976,7 +7009,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "de01277b-1aa1-4088-839b-d039dd65fac4")
-		(property "Reference" "R?"
+		(property "Reference" "R402"
 			(at 39.37 68.58 90)
 			(effects
 				(font
@@ -7037,7 +7070,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "R?")
+					(reference "R402")
 					(unit 1)
 				)
 			)
@@ -7052,7 +7085,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "e14a5bfa-e629-440a-8275-f548832d6f47")
-		(property "Reference" "C?"
+		(property "Reference" "C402"
 			(at 33.02 22.8599 0)
 			(effects
 				(font
@@ -7115,7 +7148,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C402")
 					(unit 1)
 				)
 			)
@@ -7130,7 +7163,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "e53d4170-589c-491c-bd3c-4cad1bed935d")
-		(property "Reference" "#PWR040"
+		(property "Reference" "#PWR0401"
 			(at 87.63 24.13 0)
 			(effects
 				(font
@@ -7180,7 +7213,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR040")
+					(reference "#PWR0401")
 					(unit 1)
 				)
 			)
@@ -7196,7 +7229,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "e8996aa6-31c2-4e33-a3e3-f41c00f0df7b")
-		(property "Reference" "#PWR033"
+		(property "Reference" "#PWR0410"
 			(at 24.13 100.33 0)
 			(effects
 				(font
@@ -7247,7 +7280,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR033")
+					(reference "#PWR0410")
 					(unit 1)
 				)
 			)
@@ -7262,7 +7295,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "eebe54e5-4e1a-479b-af0c-6870c4aeffbc")
-		(property "Reference" "U?"
+		(property "Reference" "U402"
 			(at 63.5 187.706 0)
 			(effects
 				(font
@@ -7341,7 +7374,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "U?")
+					(reference "U402")
 					(unit 1)
 				)
 			)
@@ -7356,7 +7389,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "f1dd6698-cda5-4311-915e-30a24d73a3ad")
-		(property "Reference" "C?"
+		(property "Reference" "C401"
 			(at 24.13 22.8599 0)
 			(effects
 				(font
@@ -7419,7 +7452,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C401")
 					(unit 1)
 				)
 			)
@@ -7434,7 +7467,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "f4c17bab-0a69-4a14-b491-99ffd6dcb004")
-		(property "Reference" "C?"
+		(property "Reference" "C407"
 			(at 77.47 22.8599 0)
 			(effects
 				(font
@@ -7497,7 +7530,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C407")
 					(unit 1)
 				)
 			)
@@ -7512,7 +7545,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "f4c38063-c7be-4b26-9208-3423029a0e47")
-		(property "Reference" "C?"
+		(property "Reference" "C408"
 			(at 102.87 22.8599 0)
 			(effects
 				(font
@@ -7575,7 +7608,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C408")
 					(unit 1)
 				)
 			)
@@ -7592,7 +7625,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "f7157eab-62fb-44d9-968d-0a67e1c01e36")
-		(property "Reference" "#PWR041"
+		(property "Reference" "#PWR0402"
 			(at 101.6 36.83 0)
 			(effects
 				(font
@@ -7643,7 +7676,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "#PWR041")
+					(reference "#PWR0402")
 					(unit 1)
 				)
 			)
@@ -7659,7 +7692,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "f846450d-337b-49fe-92a0-68a392c855b8")
-		(property "Reference" "C?"
+		(property "Reference" "C409"
 			(at 124.46 25.3999 0)
 			(effects
 				(font
@@ -7722,7 +7755,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/94f24be7-e4f5-4d4a-8789-064f4a08d889"
-					(reference "C?")
+					(reference "C409")
 					(unit 1)
 				)
 			)

pcb/MainBoard/usbc.kicad_sch

@@ -1910,7 +1910,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "0b4b11fe-d869-4547-8bd9-6722532103b9")
-		(property "Reference" "R?"
+		(property "Reference" "R303"
 			(at 22.86 74.9299 0)
 			(effects
 				(font
@@ -1973,7 +1973,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "R?")
+					(reference "R303")
 					(unit 1)
 				)
 			)
@@ -1989,7 +1989,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "18a83b2d-8aec-4a0c-ac94-daeef818e6e8")
-		(property "Reference" "#PWR07"
+		(property "Reference" "#PWR0301"
 			(at 74.93 58.42 0)
 			(effects
 				(font
@@ -2040,7 +2040,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "#PWR07")
+					(reference "#PWR0301")
 					(unit 1)
 				)
 			)
@@ -2056,7 +2056,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "45a74c33-b733-43ae-a196-b3c2bcbb198f")
-		(property "Reference" "D?"
+		(property "Reference" "D304"
 			(at 123.19 41.275 0)
 			(effects
 				(font
@@ -2074,7 +2074,7 @@
 				(hide yes)
 			)
 		)
-		(property "Footprint" "can:DFN1006_TVS"
+		(property "Footprint" "led-matrix:DFN1006_TVS"
 			(at 123.19 44.45 0)
 			(effects
 				(font
@@ -2119,7 +2119,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "D?")
+					(reference "D304")
 					(unit 1)
 				)
 			)
@@ -2134,7 +2134,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "63e09765-1daf-4b3d-9b73-b05d09450a1f")
-		(property "Reference" "J?"
+		(property "Reference" "J301"
 			(at 30.4165 22.86 0)
 			(effects
 				(font
@@ -2150,7 +2150,7 @@
 				)
 			)
 		)
-		(property "Footprint" "Connector_USB:USB_C_Receptacle_HRO_TYPE-C-31-M-12"
+		(property "Footprint" "led-matrix:USB_C_Receptacle_HRO_TYPE-C-31-M-12"
 			(at 31.75 45.72 0)
 			(effects
 				(font
@@ -2249,7 +2249,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "J?")
+					(reference "J301")
 					(unit 1)
 				)
 			)
@@ -2264,7 +2264,7 @@
 		(on_board yes)
 		(dnp no)
 		(uuid "6898b218-d10f-40ae-b638-700f24f7ea61")
-		(property "Reference" "#FLG02"
+		(property "Reference" "#FLG0302"
 			(at 31.115 68.58 0)
 			(effects
 				(font
@@ -2315,7 +2315,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "#FLG02")
+					(reference "#FLG0302")
 					(unit 1)
 				)
 			)
@@ -2331,7 +2331,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "803bf89e-93bd-41cf-92a2-5eb06a953bc1")
-		(property "Reference" "#FLG01"
+		(property "Reference" "#FLG0301"
 			(at 49.53 24.765 0)
 			(effects
 				(font
@@ -2381,7 +2381,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "#FLG01")
+					(reference "#FLG0301")
 					(unit 1)
 				)
 			)
@@ -2397,7 +2397,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "8256b6f8-9921-4218-8c9a-ac674219c18a")
-		(property "Reference" "#PWR013"
+		(property "Reference" "#PWR0302"
 			(at 129.54 62.23 0)
 			(effects
 				(font
@@ -2448,7 +2448,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "#PWR013")
+					(reference "#PWR0302")
 					(unit 1)
 				)
 			)
@@ -2464,7 +2464,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "9235c1ca-d1aa-4e43-9a16-cb7a4a100192")
-		(property "Reference" "R?"
+		(property "Reference" "R301"
 			(at 71.12 43.1799 0)
 			(effects
 				(font
@@ -2527,7 +2527,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "R?")
+					(reference "R301")
 					(unit 1)
 				)
 			)
@@ -2543,7 +2543,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "9dbaf0a8-cfbd-4fca-84eb-236a49d906d7")
-		(property "Reference" "D?"
+		(property "Reference" "D301"
 			(at 123.19 22.225 0)
 			(effects
 				(font
@@ -2561,7 +2561,7 @@
 				(hide yes)
 			)
 		)
-		(property "Footprint" "can:DFN1006_TVS"
+		(property "Footprint" "led-matrix:DFN1006_TVS"
 			(at 123.19 25.4 0)
 			(effects
 				(font
@@ -2606,7 +2606,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "D?")
+					(reference "D301")
 					(unit 1)
 				)
 			)
@@ -2622,7 +2622,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "a4f2cf41-761f-4cc9-bf3a-71ca936e760c")
-		(property "Reference" "R?"
+		(property "Reference" "R302"
 			(at 78.74 43.1799 0)
 			(effects
 				(font
@@ -2685,7 +2685,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "R?")
+					(reference "R302")
 					(unit 1)
 				)
 			)
@@ -2701,7 +2701,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "ad65afcd-69cb-4f7e-9325-8677542b3238")
-		(property "Reference" "D?"
+		(property "Reference" "D303"
 			(at 123.19 34.925 0)
 			(effects
 				(font
@@ -2719,7 +2719,7 @@
 				(hide yes)
 			)
 		)
-		(property "Footprint" "can:DFN1006_TVS"
+		(property "Footprint" "led-matrix:DFN1006_TVS"
 			(at 123.19 38.1 0)
 			(effects
 				(font
@@ -2764,7 +2764,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "D?")
+					(reference "D303")
 					(unit 1)
 				)
 			)
@@ -2780,7 +2780,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "b36d08cd-2c9a-4767-b1e9-ec091ec1143a")
-		(property "Reference" "#PWR010"
+		(property "Reference" "#PWR0304"
 			(at 20.32 88.9 0)
 			(effects
 				(font
@@ -2831,7 +2831,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "#PWR010")
+					(reference "#PWR0304")
 					(unit 1)
 				)
 			)
@@ -2847,7 +2847,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "d12db568-086a-4e2c-a5bf-c55f24254cd5")
-		(property "Reference" "D?"
+		(property "Reference" "D302"
 			(at 123.19 28.575 0)
 			(effects
 				(font
@@ -2865,7 +2865,7 @@
 				(hide yes)
 			)
 		)
-		(property "Footprint" "can:DFN1006_TVS"
+		(property "Footprint" "led-matrix:DFN1006_TVS"
 			(at 123.19 31.75 0)
 			(effects
 				(font
@@ -2910,7 +2910,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "D?")
+					(reference "D302")
 					(unit 1)
 				)
 			)
@@ -2926,7 +2926,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "db691f9d-c6bc-43f7-9dfb-a2e863b58792")
-		(property "Reference" "D?"
+		(property "Reference" "D305"
 			(at 123.19 47.625 0)
 			(effects
 				(font
@@ -2944,7 +2944,7 @@
 				(hide yes)
 			)
 		)
-		(property "Footprint" "can:DFN1006_TVS"
+		(property "Footprint" "led-matrix:DFN1006_TVS"
 			(at 123.19 50.8 0)
 			(effects
 				(font
@@ -2989,7 +2989,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "D?")
+					(reference "D305")
 					(unit 1)
 				)
 			)
@@ -3005,7 +3005,7 @@
 		(dnp no)
 		(fields_autoplaced yes)
 		(uuid "e323f511-2f7b-410d-829d-be4f37e82d06")
-		(property "Reference" "#PWR011"
+		(property "Reference" "#PWR0303"
 			(at 27.94 78.74 0)
 			(effects
 				(font
@@ -3056,7 +3056,7 @@
 		(instances
 			(project "MainBoard"
 				(path "/ac576ee3-ac6f-4244-babf-9af36c7a7db3/5232c3be-bd03-4015-929e-0effd1f09850"
-					(reference "#PWR011")
+					(reference "#PWR0303")
 					(unit 1)
 				)
 			)

pcb/led-matrix.pretty/DFN1006_TVS.kicad_mod

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+(footprint "DFN1006_TVS"
+	(version 20240108)
+	(generator "pcbnew")
+	(generator_version "8.0")
+	(layer "F.Cu")
+	(property "Reference" "REF**"
+		(at 0 4 0)
+		(layer "F.SilkS")
+		(hide yes)
+		(uuid "fe552ba1-7546-4b55-ad42-e01ce0efcb02")
+		(effects
+			(font
+				(size 1 1)
+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Value" "DFN1006_TVS"
+		(at 0 -4 0)
+		(layer "F.Fab")
+		(uuid "58a7e677-32b2-4be5-9b8a-cf848579d90e")
+		(effects
+			(font
+				(size 1 1)
+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Footprint" ""
+		(at 0 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "56d67383-f7d2-4741-a90e-00dee93b3ef8")
+		(effects
+			(font
+				(size 1.27 1.27)
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+		)
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+	(property "Datasheet" ""
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+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "dc8e3bd9-e779-4aec-b9a5-97d1850514d3")
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+		)
+	)
+	(property "Description" ""
+		(at 0 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "72ee8fbc-73a1-41af-afa4-e830937adfba")
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+		)
+	)
+	(attr smd)
+	(fp_line
+		(start -0.1 -0.45)
+		(end 0.1 -0.45)
+		(stroke
+			(width 0.12)
+			(type default)
+		)
+		(layer "F.SilkS")
+		(uuid "886a448d-8064-4d13-a1ae-93029f219c76")
+	)
+	(fp_line
+		(start -0.1 0.45)
+		(end 0.1 0.45)
+		(stroke
+			(width 0.12)
+			(type default)
+		)
+		(layer "F.SilkS")
+		(uuid "73c0d038-01a9-4021-ac52-4f8fc335a787")
+	)
+	(fp_rect
+		(start -0.95 -0.6)
+		(end 0.95 0.6)
+		(stroke
+			(width 0.05)
+			(type default)
+		)
+		(fill none)
+		(layer "F.CrtYd")
+		(uuid "e2857144-57fd-4690-8de3-202c88e836fe")
+	)
+	(fp_rect
+		(start -0.5 -0.3)
+		(end 0.5 0.3)
+		(stroke
+			(width 0.05)
+			(type default)
+		)
+		(fill none)
+		(layer "F.Fab")
+		(uuid "7583889d-88fd-4f65-9b45-f811132afb54")
+	)
+	(pad "1" smd roundrect
+		(at -0.45 0)
+		(size 0.6 0.8)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(thermal_bridge_angle 45)
+		(uuid "6e2b6e33-b2a0-4f52-9494-1c4591edc500")
+	)
+	(pad "2" smd roundrect
+		(at 0.45 0)
+		(size 0.6 0.8)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(thermal_bridge_angle 45)
+		(uuid "c569fe2c-4b40-4bbd-9a66-87e76a4b616c")
+	)
+	(model "${KICAD8_3DMODEL_DIR}/Diode_SMD.3dshapes/D_SOD-882.wrl"
+		(offset
+			(xyz 0 0 0)
+		)
+		(scale
+			(xyz 1 1 1)
+		)
+		(rotate
+			(xyz 0 0 0)
+		)
+	)
+)

pcb/led-matrix.pretty/RP2040-QFN-56.kicad_mod

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+(footprint "RP2040-QFN-56"
+	(version 20240108)
+	(generator "pcbnew")
+	(generator_version "8.0")
+	(layer "F.Cu")
+	(descr "QFN, 56 Pin (http://www.cypress.com/file/416486/download#page=40), generated with kicad-footprint-generator ipc_dfn_qfn_generator.py")
+	(tags "QFN DFN_QFN")
+	(property "Reference" "REF**"
+		(at 0 -4.82 0)
+		(layer "F.SilkS")
+		(uuid "94ec11cf-5c3f-4978-bba0-0d274b9e5842")
+		(effects
+			(font
+				(size 1 1)
+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Value" "Pico2040-QFN-56"
+		(at 0 4.82 0)
+		(layer "F.Fab")
+		(uuid "f812e9be-04d5-4eb4-9be7-b7193c3c3fcf")
+		(effects
+			(font
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+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Footprint" ""
+		(at 0 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "493946aa-f2cd-4c96-b99c-4e89e7e720d4")
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+		)
+	)
+	(property "Datasheet" ""
+		(at 0 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "f4d3727d-8632-4a04-b6e8-6d0f926103d5")
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+		)
+	)
+	(property "Description" ""
+		(at 0 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "af03adc0-4a44-49f5-88a4-4bb8a405d124")
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+		)
+	)
+	(attr smd)
+	(fp_line
+		(start -3.61 3.61)
+		(end -3.61 2.96)
+		(stroke
+			(width 0.12)
+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "87ccece7-e444-4a57-9ab1-0500cdde9c5a")
+	)
+	(fp_line
+		(start -2.96 -3.61)
+		(end -3.61 -3.61)
+		(stroke
+			(width 0.12)
+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "79f8822a-d38e-422d-9516-3d4ca05762ce")
+	)
+	(fp_line
+		(start -2.96 3.61)
+		(end -3.61 3.61)
+		(stroke
+			(width 0.12)
+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "e3f9d875-edd3-4d51-b7a8-ae3a4bbebb6f")
+	)
+	(fp_line
+		(start 2.96 -3.61)
+		(end 3.61 -3.61)
+		(stroke
+			(width 0.12)
+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "29f51482-bc4e-4f72-83f4-a7a934cb17e3")
+	)
+	(fp_line
+		(start 2.96 3.61)
+		(end 3.61 3.61)
+		(stroke
+			(width 0.12)
+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "caf8a340-a953-4b51-ab56-ca793c38cdab")
+	)
+	(fp_line
+		(start 3.61 -3.61)
+		(end 3.61 -2.96)
+		(stroke
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+			(type solid)
+		)
+		(layer "F.SilkS")
+		(uuid "a70a6450-c1ae-49d5-8916-85503da6e8d2")
+	)
+	(fp_line
+		(start 3.61 3.61)
+		(end 3.61 2.96)
+		(stroke
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+		(layer "F.SilkS")
+		(uuid "13d90c02-0979-4194-91db-9ca5c313c477")
+	)
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+		(start -4.12 -4.12)
+		(end -4.12 4.12)
+		(stroke
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+		(layer "F.CrtYd")
+		(uuid "429b444b-9837-4aef-a851-4631ad176ec3")
+	)
+	(fp_line
+		(start -4.12 4.12)
+		(end 4.12 4.12)
+		(stroke
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+			(type solid)
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+		(layer "F.CrtYd")
+		(uuid "7ed4a499-b8e5-4d9e-9b0f-bb636141f130")
+	)
+	(fp_line
+		(start 4.12 -4.12)
+		(end -4.12 -4.12)
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+			(type solid)
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+		(layer "F.CrtYd")
+		(uuid "7ba9035e-d3cb-4c53-8541-4b9ed4d5db7d")
+	)
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+		(layer "F.CrtYd")
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+	)
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+		(layer "F.Fab")
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+	)
+	(fp_line
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+		(end 3.5 -3.5)
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+			(type solid)
+		)
+		(layer "F.Fab")
+		(uuid "0c438463-e482-4670-83b6-e8e0dfd97845")
+	)
+	(fp_line
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+		(end 3.5 3.5)
+		(stroke
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+			(type solid)
+		)
+		(layer "F.Fab")
+		(uuid "723f884d-157e-427b-990b-9dcddb2eca93")
+	)
+	(fp_line
+		(start 3.5 3.5)
+		(end -3.5 3.5)
+		(stroke
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+			(type solid)
+		)
+		(layer "F.Fab")
+		(uuid "ca668808-3e27-4fe4-ab59-23ee3ffb586f")
+	)
+	(fp_text user "${REFERENCE}"
+		(at 0 0 0)
+		(layer "F.Fab")
+		(uuid "671b3324-51ec-4d97-b5e9-ffce67fca928")
+		(effects
+			(font
+				(size 1 1)
+				(thickness 0.15)
+			)
+		)
+	)
+	(pad "" smd roundrect
+		(at -0.6375 -0.6375)
+		(size 1.084435 1.084435)
+		(layers "F.Paste")
+		(roundrect_rratio 0.230535)
+		(uuid "a6ab6992-6165-4224-a885-60bcf08e0044")
+	)
+	(pad "" smd roundrect
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+		(layers "F.Paste")
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+		(uuid "f677169f-f73e-4a24-b130-be34d402776a")
+	)
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+		(uuid "69adb160-87f9-467c-bfbb-d996ca850208")
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+		(at 1.8 3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "72436c38-9132-4583-9391-f89ebefd0f1b")
+	)
+	(pad "27" smd roundrect
+		(at 2.2 3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "6158f631-5e98-45b8-a07d-83ddfb242ef1")
+	)
+	(pad "28" smd roundrect
+		(at 2.6 3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "29b994c0-3b69-40fd-984d-8614f48afabd")
+	)
+	(pad "29" smd roundrect
+		(at 3.4375 2.6)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "bfb71042-c5fb-4883-bbb0-78eb46da5320")
+	)
+	(pad "30" smd roundrect
+		(at 3.4375 2.2)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "66816118-cd31-4357-88f8-593ea2bf5386")
+	)
+	(pad "31" smd roundrect
+		(at 3.4375 1.8)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "f75c5f55-2d43-459d-bf12-fa36d6a79f2d")
+	)
+	(pad "32" smd roundrect
+		(at 3.4375 1.4)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "ba81e1d2-5c52-41a8-8908-5dd97a7f1ee1")
+	)
+	(pad "33" smd roundrect
+		(at 3.4375 1)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "6cccd078-c404-4f3e-ad0e-ac590922dde3")
+	)
+	(pad "34" smd roundrect
+		(at 3.4375 0.6)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "ad74ebdc-cb66-4284-bcb6-3509df8a60fb")
+	)
+	(pad "35" smd roundrect
+		(at 3.4375 0.2)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "59f5d70d-acd0-441f-b0d1-07d3c6e53071")
+	)
+	(pad "36" smd roundrect
+		(at 3.4375 -0.2)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "40b4b56d-330c-478d-8fc7-b2577dab6f71")
+	)
+	(pad "37" smd roundrect
+		(at 3.4375 -0.6)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "0666fda0-83e1-4774-aac6-a92fbd862f65")
+	)
+	(pad "38" smd roundrect
+		(at 3.4375 -1)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "6200193b-0cb6-45f1-9d92-f8055de23933")
+	)
+	(pad "39" smd roundrect
+		(at 3.4375 -1.4)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "9663723c-8c5f-456c-beda-1de7c8ebec58")
+	)
+	(pad "40" smd roundrect
+		(at 3.4375 -1.8)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "42888177-dbe9-4226-a5af-8f4907ed23b3")
+	)
+	(pad "41" smd roundrect
+		(at 3.4375 -2.2)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "5c38cb07-8ce8-4de2-bc1c-556499df4e66")
+	)
+	(pad "42" smd roundrect
+		(at 3.4375 -2.6)
+		(size 0.875 0.2)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "5bfd7fbf-edbf-4856-9fd2-51c80ea4f30a")
+	)
+	(pad "43" smd roundrect
+		(at 2.6 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "0dff0ee0-7ee1-42ce-81e9-a99bf1d2e9de")
+	)
+	(pad "44" smd roundrect
+		(at 2.2 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "606d6119-ed5e-4089-b05e-55d682a811c4")
+	)
+	(pad "45" smd roundrect
+		(at 1.8 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "e90e9e91-d41c-4d53-8b72-763608bd8438")
+	)
+	(pad "46" smd roundrect
+		(at 1.4 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "449e2bc0-d78c-46ea-8e0d-2d12751cb8d8")
+	)
+	(pad "47" smd roundrect
+		(at 1 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "45185d5d-306f-46a8-afbd-ac5f14e012a0")
+	)
+	(pad "48" smd roundrect
+		(at 0.6 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "39b53b5e-2125-499c-80e4-8ec1265c818a")
+	)
+	(pad "49" smd roundrect
+		(at 0.2 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "c65bde64-5c5d-4e4f-a605-b9b4f551c23e")
+	)
+	(pad "50" smd roundrect
+		(at -0.2 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "2787e441-b846-4ec1-b5c8-55e11b148225")
+	)
+	(pad "51" smd roundrect
+		(at -0.6 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "d75d68cc-262f-4bbb-a19d-c4474c38f9aa")
+	)
+	(pad "52" smd roundrect
+		(at -1 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "0cbba4b8-0d4b-4e6d-b66c-615f65b38f6b")
+	)
+	(pad "53" smd roundrect
+		(at -1.4 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "bf5e0f88-5596-4d99-ab5e-26becfa71a88")
+	)
+	(pad "54" smd roundrect
+		(at -1.8 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "d0b63eb8-f128-4943-9a95-de5866a7213d")
+	)
+	(pad "55" smd roundrect
+		(at -2.2 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "f1cc50c6-304d-4330-be01-929a8fa6d5be")
+	)
+	(pad "56" smd roundrect
+		(at -2.6 -3.4375)
+		(size 0.2 0.875)
+		(layers "F.Cu" "F.Paste" "F.Mask")
+		(roundrect_rratio 0.25)
+		(uuid "0276951b-e7e8-402f-b6fc-925de1e4cc76")
+	)
+	(pad "57" thru_hole circle
+		(at -1.275 -1.275)
+		(size 0.6 0.6)
+		(drill 0.35)
+		(layers "*.Cu")
+		(remove_unused_layers no)
+		(uuid "05a12fc4-dcea-4df1-800b-44923ff72709")
+	)
+	(pad "57" thru_hole circle
+		(at -1.275 0)
+		(size 0.6 0.6)
+		(drill 0.35)
+		(layers "*.Cu")
+		(remove_unused_layers no)
+		(uuid "a0e181d5-9dbc-4ad7-a6c1-e15319412e36")
+	)
+	(pad "57" thru_hole circle
+		(at -1.275 1.275)
+		(size 0.6 0.6)
+		(drill 0.35)
+		(layers "*.Cu")
+		(remove_unused_layers no)
+		(uuid "adfa17fb-ecf3-4fc9-894b-0249683327ae")
+	)
+	(pad "57" thru_hole circle
+		(at 0 -1.275)
+		(size 0.6 0.6)
+		(drill 0.35)
+		(layers "*.Cu")
+		(remove_unused_layers no)
+		(uuid "2590cc37-b5b5-4a03-a8f8-015ade801f28")
+	)
+	(pad "57" thru_hole circle
+		(at 0 0)
+		(size 0.6 0.6)
+		(drill 0.35)
+		(layers "*.Cu")
+		(remove_unused_layers no)
+		(uuid "7ef582e4-bc20-4fd7-8ade-85c68ecd8976")
+	)
+	(pad "57" smd roundrect
+		(at 0 0)
+		(size 3.2 3.2)
+		(layers "F.Cu" "F.Mask")
+		(roundrect_rratio 0.045)
+		(uuid "6d4c1bd7-fce8-473c-ad02-d4a0a5414180")
+	)
+	(pad "57" thru_hole circle
+		(at 0 1.275)
+		(size 0.6 0.6)
+		(drill 0.35)
+		(layers "*.Cu")
+		(remove_unused_layers no)
+		(uuid "ab7c768e-0733-4c73-994e-c0ff1ee9adfe")
+	)
+	(pad "57" thru_hole circle
+		(at 1.275 -1.275)
+		(size 0.6 0.6)
+		(drill 0.35)
+		(layers "*.Cu")
+		(remove_unused_layers no)
+		(uuid "50175e31-6587-4376-9f96-6542d3964a0b")
+	)
+	(pad "57" thru_hole circle
+		(at 1.275 0)
+		(size 0.6 0.6)
+		(drill 0.35)
+		(layers "*.Cu")
+		(remove_unused_layers no)
+		(uuid "f28683ad-132c-41e2-8b69-45cf73d1c3f1")
+	)
+	(pad "57" thru_hole circle
+		(at 1.275 1.275)
+		(size 0.6 0.6)
+		(drill 0.35)
+		(layers "*.Cu")
+		(remove_unused_layers no)
+		(uuid "c279ce41-85f8-48f6-8196-24f9b38cbf28")
+	)
+	(model "${KIPRJMOD}/Libraries/RadPie2040/RP2040_QFN_PACKAGE.STEP"
+		(offset
+			(xyz 0 0 0)
+		)
+		(scale
+			(xyz 1 1 1)
+		)
+		(rotate
+			(xyz 0 0 0)
+		)
+	)
+)

pcb/led-matrix.pretty/SolderJumper-2_Open_RoundedPad_Smol.kicad_mod

@@ -0,0 +1,134 @@
+(footprint "SolderJumper-2_Open_RoundedPad_Smol"
+	(version 20240108)
+	(generator "pcbnew")
+	(generator_version "8.0")
+	(layer "F.Cu")
+	(descr "SMD Solder Jumper, 1x1.5mm, rounded Pads, 0.3mm gap, open")
+	(tags "solder jumper open")
+	(property "Reference" "REF**"
+		(at 0 -1.8 0)
+		(layer "F.SilkS")
+		(hide yes)
+		(uuid "2d856dc9-d208-4833-9630-aba95b597ba1")
+		(effects
+			(font
+				(size 1 1)
+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Value" "SolderJumper-2_Open_RoundedPad_Smol"
+		(at 0 1.9 0)
+		(layer "F.Fab")
+		(uuid "656a70db-01ef-42a7-91d8-cc57681f457d")
+		(effects
+			(font
+				(size 1 1)
+				(thickness 0.15)
+			)
+		)
+	)
+	(property "Footprint" ""
+		(at 0.05 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "17ae3d13-3548-4f30-8a40-b971c302a3de")
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+		)
+	)
+	(property "Datasheet" ""
+		(at 0.05 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "e0e7dfd6-8cc1-4c55-bda5-695978b3c026")
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+		)
+	)
+	(property "Description" ""
+		(at 0.05 0 0)
+		(unlocked yes)
+		(layer "F.Fab")
+		(hide yes)
+		(uuid "de824fa2-69ad-4520-91b5-f846e8ea5eeb")
+		(effects
+			(font
+				(size 1.27 1.27)
+			)
+		)
+	)
+	(zone_connect 1)
+	(attr exclude_from_pos_files exclude_from_bom)
+	(fp_rect
+		(start -1.4 -0.8)
+		(end 1.4 0.8)
+		(stroke
+			(width 0.05)
+			(type default)
+		)
+		(fill none)
+		(layer "F.CrtYd")
+		(uuid "621bf60e-a126-4da7-923d-a96e0522b419")
+	)
+	(pad "1" smd custom
+		(at -0.55 0)
+		(size 0.9 0.5)
+		(layers "F.Cu" "F.Mask")
+		(zone_connect 2)
+		(thermal_bridge_angle 45)
+		(options
+			(clearance outline)
+			(anchor rect)
+		)
+		(primitives
+			(gr_poly
+				(pts
+					(xy 0.45 0.5) (xy -0.05 0.5) (xy -0.05 -0.5) (xy 0.45 -0.5)
+				)
+				(width 0)
+				(fill yes)
+			)
+			(gr_circle
+				(center -0.05 0)
+				(end 0.45 0)
+				(width 0)
+				(fill yes)
+			)
+		)
+		(uuid "e063a5e6-7590-4ed9-b874-fcdfe4e3ced2")
+	)
+	(pad "2" smd custom
+		(at 0.55 0)
+		(size 0.9 0.5)
+		(layers "F.Cu" "F.Mask")
+		(zone_connect 2)
+		(thermal_bridge_angle 45)
+		(options
+			(clearance outline)
+			(anchor rect)
+		)
+		(primitives
+			(gr_poly
+				(pts
+					(xy 0.05 0.5) (xy -0.45 0.5) (xy -0.45 -0.5) (xy 0.05 -0.5)
+				)
+				(width 0)
+				(fill yes)
+			)
+			(gr_circle
+				(center 0.05 0)
+				(end 0.55 0)
+				(width 0)
+				(fill yes)
+			)
+		)
+		(uuid "37bcfcab-e649-4b60-823e-fae5254ddfe9")
+	)
+)