โค้ดวงจรรีโมทควบคุม LED.

#include <IRremote.h>

const byte IR_RECEIVE_PIN = 2;

#define LED1 8

#define LED2 9

#define LED3 10

#define LED4 11

void setup()

{

   Serial.begin(115200);

   Serial.println("IR Receive test");

   IrReceiver.begin(IR_RECEIVE_PIN, ENABLE_LED_FEEDBACK);

   pinMode(LED1, OUTPUT);

   pinMode(LED2, OUTPUT);

   pinMode(LED3, OUTPUT);

   pinMode(LED4, OUTPUT);

}

void loop()

{

   if (IrReceiver.decode())

   {

      String ir_code = String(IrReceiver.decodedIRData.command, HEX);

      Serial.println(ir_code);

      if(ir_code == "30")

        digitalWrite(LED1, HIGH);

      else if(ir_code == "18")

        digitalWrite(LED1, LOW);

      if(ir_code == "10")

        digitalWrite(LED2, HIGH);

      else if(ir_code == "38")

        digitalWrite(LED2, LOW);

      if(ir_code == "42")

        digitalWrite(LED3, HIGH);

      else if(ir_code == "4a")

        digitalWrite(LED3, LOW);

      if(ir_code == "52")

        digitalWrite(LED4, HIGH);

      else if(ir_code == "5a")

        digitalWrite(LED4, LOW);

      IrReceiver.resume();

   }

}