红外接收发射模块

#include <IRremote.h>

#define IR_SEND_PIN     4
#define IR_RECV_PIN     5
#define SENDING_REPEATS 1     // 信号发送次数

void setup() 
{
  Serial.begin(115200); // 初始化串口
  IrReceiver.begin(IR_RECV_PIN, DISABLE_LED_FEEDBACK);
  IrSender.begin(IR_SEND_PIN, ENABLE_LED_FEEDBACK);
}
void loop() 
{ 

  if (IrReceiver.decode())
  {
    Serial.print("Received command: ");
    Serial.println(IrReceiver.decodedIRData.command);
    IrReceiver.resume();

    delay(2000);
    if(IrReceiver.decodedIRData.command == 69)    // Remote control power button pressed
    {
      unsigned long code = 0x20DF10EF;     // command == 223
      Serial.println("Issue a specific NEC instruction: 223");
      IrSender.sendNECRaw(code, SENDING_REPEATS);
    }
  }
  delay(100);
}