Receiver_1.ino

#include <SPI.h>
#include "nRF24L01.h"
#include "RF24.h"
int msg[1];
RF24 radio(9,10);
const uint64_t pipe = 0xE8E8F0F0E1LL;
int LED1 = 3;
void setup(void)
{
 Serial.begin(9600);
 radio.begin();
 radio.openReadingPipe(1,pipe);
 radio.startListening();
 pinMode(LED1, OUTPUT);
 }
 void loop()
 {
 if (true)
 {
     
   while (radio.available())
   {
      radio.read(msg, 1);      
     Serial.println(msg[0]);
     if (msg[0] == 1)
     {  delay(10);
        digitalWrite(LED1, HIGH);
     }
     else 
     {  digitalWrite(LED1, LOW);}
         delay(10);
   }
 }
 else
 {  Serial.println("No radio available");
 }
 }