#include <IRremote.hpp>

#define IR_PIN 15

#define LED1 4
#define LED2 5
#define LED3 18
#define LED4 19
#define buzzer 23

void setup() {

  Serial.begin(115200);

  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(LED4, OUTPUT);
  pinMode(buzzer, OUTPUT);

  IrReceiver.begin(IR_PIN, ENABLE_LED_FEEDBACK);
}

void loop() {

  if (IrReceiver.decode()) {

    int kod = IrReceiver.decodedIRData.command;

    Serial.println(kod);

    if (kod == 48) digitalWrite(LED1,!digitalRead(LED1));
    if (kod == 24) digitalWrite(LED2,!digitalRead(LED2));
    if (kod == 122) digitalWrite(LED3,!digitalRead(LED3));
    if (kod == 16) digitalWrite(LED4,!digitalRead(LED4));
    if (kod == 90) digitalWrite(buzzer,!digitalRead(buzzer));
    if (kod == 66) 
    {
    digitalWrite(LED1,1);
    delay(100);
    digitalWrite(LED1,0);
    digitalWrite(LED2,1);
    delay(100);
    digitalWrite(LED2,0);
    digitalWrite(LED3,1);
    delay(100);
    digitalWrite(LED3,0);
    digitalWrite(LED4,1);
    delay(100);
    digitalWrite(LED4,0);
    delay(100);
    digitalWrite(LED4,1);
    digitalWrite(LED4,0);
    delay(100);
    digitalWrite(LED3,1);
    delay(100);
    digitalWrite(LED3,0);
    digitalWrite(LED2,1);
    delay(100);
    digitalWrite(LED2,0);
    digitalWrite(LED1,1);
    delay(100);
    digitalWrite(LED1,0);
    
    }
    if (kod == 56) 
    {
    digitalWrite(LED1,1);
    digitalWrite(LED2,1);
    digitalWrite(LED3,1);
    digitalWrite(LED4,1);
    }
    if (kod == 104) 
    {
    digitalWrite(LED1,0);
    digitalWrite(LED2,0);
    digitalWrite(LED3,0);
    digitalWrite(LED4,0);
    }

    IrReceiver.resume();
  }
}