Atmega 644P mit nRF24L01+

#include "RF24.h"

...

RF24 radio(21,22);

byte addresses[][6] = {"1Node","2Node"};

...

unsigned long hello = 0b11111111111111111111111111111111;

unsigned long error = 0b11111111111111111111111111111110;

unsigned long line  = 0b11111111111111111111111111111101;

...

  radio.begin();

  radio.setPALevel(RF24_PA_HIGH); //alt: RF24_PA_MAX RF24_PA_MIN

  radio.setDataRate(RF24_250KBPS); //alt: RF24_250KBPS RF24_1MBPS

  radio.setAutoAck(1);                    // Ensure autoACK is enabled

  radio.enableDynamicPayloads(); 

  radio.setCRCLength(RF24_CRC_8); 

  radio.enableAckPayload();               // Allow optional ack payloads

  radio.setRetries(0,30);                 // Smallest time between retries, max no. of retries

  radio.setPayloadSize(32);                // Here we are sending 1-byte payloads to test the call-response speed

  radio.openWritingPipe(addresses[1]);        // Both radios listen on the same pipes by default, and switch when writing

  radio.openReadingPipe(1,addresses[0]);      // Open a reading pipe on address 0, pipe 1

  radio.powerUp();

  //radio.printDetails();                   // Dump the configuration of the rf unit for debugging

  radio.write(&hello,4);

  // Start the radio listening for data

  radio.startListening();

#include "RF24.h"

...

bool radioNumber = 1;

...

radio.begin();

  radio.setPALevel(RF24_PA_HIGH); //alt: RF24_PA_MAX RF24_PA_MIN

  radio.setDataRate(RF24_250KBPS); //alt: RF24_250KBPS RF24_1MBPS

  radio.setAutoAck(1);                    // Ensure autoACK is enabled

  radio.enableDynamicPayloads(); 

  radio.setCRCLength(RF24_CRC_8); 

  radio.enableAckPayload();               // Allow optional ack payloads

  radio.setRetries(0,30);                 // Smallest time between retries, max no. of retries

  radio.setPayloadSize(32);                // Here we are sending 1-byte payloads to test the call-response speed

  radio.openWritingPipe(addresses[1]);        // Both radios listen on the same pipes by default, and switch when writing

  radio.openReadingPipe(1,addresses[0]);      // Open a reading pipe on address 0, pipe 1

  radio.powerUp();

  //radio.printDetails();                   // Dump the configuration of the rf unit for debugging

  radio.write(&hello,4);

  // Start the radio listening for data

  radio.startListening();