#include <IRremote.hpp>

#define IR_RECEIVE_PIN 4
#define relay3 3
#define relay2 2
#define relay1 5

int rel1state, rel2state, rel3state, key;


void setup() {
  IrReceiver.begin(IR_RECEIVE_PIN);
  pinMode (relay1, OUTPUT);
  pinMode (relay2, OUTPUT);
  pinMode (relay3, OUTPUT);
  Serial.begin(9600);
}

void loop() {
  if (IrReceiver.decode()) {
    
    Serial.println(IrReceiver.decodedIRData.command);
    key = IrReceiver.decodedIRData.command;

  //Relay for red button
    if(key==48){
      if(rel1state==0){
        digitalWrite(relay1, HIGH);
        rel1state = 1;
      }
      else{
        digitalWrite(relay1, LOW);
        rel1state = 0;
      }
    }

  //Relay for green button
    if(key==24){
      if(rel2state==0){
        digitalWrite(relay2, HIGH);
        rel2state = 1;
      }
      else{
        digitalWrite(relay2, LOW);
        rel2state = 0;
      }
    }

  //Relay for blue button
    if(key==122){
      if(rel3state==0){
        digitalWrite(relay3, HIGH);
        rel3state = 1;
      }
      else{
        digitalWrite(relay3, LOW);
        rel3state = 0;
      }
    }

    IrReceiver.resume();
  }

}