ESP32_ChinaDieselHeater_Control/Arduino/SenderTrial2/pins.h

const int TxEnbPin = 22;
const int ListenOnlyPin = 21;
const int KeyPin = 15;
const int Tx1Pin = 18;
const int Rx1Pin = 19;
const int Tx2Pin = 16;
const int Rx2Pin = 17;
const int HC05_Sense = 4;