1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19

#include "M5Atom.h"

void setup(){
  M5.begin();
  Serial1.begin(9600, SERIAL_8N1, 32, 26);
}

void play(int play_no){
  char sendBuffer[8] = { 0x7E,0xFF,0x06,0x03,0x00,0x00,play_no,0xEF };
  Serial1.write((uint8_t *)sendBuffer,8);
}

void loop() {
  M5.update();
  
  if (M5.Btn.wasPressed()){
    play(1);
  }
}