#include <IRremote.h>  
void setup() { Serial.begin(9600);  	
pinMode(9,INPUT);	  pinMode(13,OUTPUT);	
  IrReceiver.begin(9, ENABLE_LED_FEEDBACK);  
//IrReceiver.begin(A0);   Можно так просто             
             }
unsigned long a;
void loop() 
{ if (IrReceiver.decode()) 
  {  a = IrReceiver.decodedIRData.decodedRawData;
//if(a==0xCF30FF00)  digitalWrite(13,1); //1 btn
//if(a==0xE718FF00)  digitalWrite(13,0); //2 btn
    Serial.println(a,HEX);   //HEX is option
    IrReceiver.resume();
  }
}