diff --git a/firmware/src/main.cpp b/firmware/src/main.cpp
index 5f5a9ad..69c8ce0 100644
--- a/firmware/src/main.cpp
+++ b/firmware/src/main.cpp
@@ -50,8 +50,14 @@ uint8_t framebuffer[ROW_COUNT * COL_COUNT] = {0};
 
 void main2();
 void setup() {
+  delay(500);
   Serial.begin(9600);
   Serial.println("Hello");
+  pinMode(15, OUTPUT);
+  pinMode(14, OUTPUT);
+  multicore_reset_core1();
+  multicore_launch_core1(main2);
+  return;
 
   memset(framebuffer, 0, sizeof(framebuffer));
 
@@ -103,7 +109,23 @@ void main2() {
   }
 }
 
+uint8_t testcnt = 0;
+uint8_t testdelays[] = {200, 100, 50, 25, 12, 6, 3, 1, 0};
+
 void loop() {
+  Serial.println(testdelays[testcnt]);
+  for (int i = 0; i < 50; i++) {
+    digitalWrite(15, HIGH);
+    digitalWrite(14, LOW);
+    delayMicroseconds(testdelays[testcnt]);
+    digitalWrite(15, LOW);
+    digitalWrite(14, HIGH);
+    delayMicroseconds(200*40);
+  }
+
+  testcnt = (testcnt + 1) % 9;
+
+  return;
   if (Serial.available() > 0) {
     char c = Serial.read();
     if (c == 'p') {
@@ -229,9 +251,20 @@ void loop() {
 uint32_t counter = 0;
 
 void loop2() {
-  counter += 1;
-  if (multicore_fifo_wready()) {
-    multicore_fifo_push_blocking(counter);
-  }
+  // counter += 1;
+  // if (multicore_fifo_wready()) {
+  //   multicore_fifo_push_blocking(counter);
+  // }
+
+  unsigned error;
+  unsigned char *buffer = 0;
+  unsigned width, height;
+
+  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);
+
   busy_wait_us(500000);
+  frameIndex += 1;
 }