#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>

RF24 radio(7, 8);  // CE, CSN
const byte addresses[][6] = { "10131", "10132" };

int ReceivedMessage[5] = { 0, 0, 0, 0, 0 };
int SentMessage[5] = { 0, 0, 0, 0, 0 };

void setup() {
  Serial.begin(9600);

  radio.begin();
  radio.openWritingPipe(addresses[0]);
  radio.openReadingPipe(1, addresses[1]);
  radio.setPALevel(RF24_PA_MAX);
  radio.startListening();
  pinMode(LED_BUILTIN, OUTPUT);
}

void loop() {

  if (radio.available()) {
    radio.read(ReceivedMessage, sizeof(ReceivedMessage));
    Serial.println(ReceivedMessage[0]);
    Serial.println(ReceivedMessage[1]);
    Serial.println(ReceivedMessage[2]);
    Serial.println(ReceivedMessage[3]);
    Serial.println(ReceivedMessage[4]);
  }

  SentMessage[0] = 1;
  SentMessage[4] = 4;
  radio.stopListening();
  radio.write(SentMessage, sizeof(SentMessage));
  radio.startListening();
  digitalWrite(LED_BUILTIN, HIGH);
  delay(2000);
  digitalWrite(LED_BUILTIN, LOW);
  delay(500);
}