| 回路図 | Rcv | Snd | Tone | App |
|---|---|---|---|---|
  Arduino UNO/NANO(__AVR_ATmega328P__) |
2 | 3 | 4 | 5 |
  XIAO samd21(ARDUINO_SEEED_XIAO_M0) |
5 | 4 | 1 | - |
  XIAO ESP32C3(ARDUINO_XIAO_ESP32C3) |
5 | 4 | 1 | - |
 M5ATOM lite C3(ARDUINO_M5Stack_ATOM) |
32 | 26 | 25 | 39 |
 M5ATOM lite C3(ARDUINO_M5Stack_ATOM) (送信だけなら内蔵のIR LEDでOK) |
- | 12 | - | 39 |