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NRF24 6ch example code


Download the .zip file below. Unzip it and open it in Arduino IDE. Compile and upload.




You will need the NRF24 library. Download it and install it to the Arduino IDE-

Download NRF24 library here:




 /* Test code for the Radio control transmitter
 *  Install the NRF24 library to your IDE
 * Upload this code to the Arduino UNO
 * Connect a NRF24 module to it:
 
    Module // Arduino UNO
    
    GND    ->   GND
    Vcc    ->   3.3V
    CE     ->   D9
    CSN    ->   D10
    CLK    ->   D13
    MOSI   ->   D11
    MISO   ->   D12

This code should print the received values to the serial monitor
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*/

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
const uint64_t pipeIn = 0xE8E8F0F0E1LL; //Remember that this code is the same as in the transmitter

RF24 radio(9, 10); 

//We could use up to 32 channels
struct MyData {
byte throttle; //We define each byte of data input, in this case just 6 channels
byte yaw;
byte pitch;
byte roll;
byte AUX1;
byte AUX2;
};

MyData data;

void resetData()
{
//We define the inicial value of each data input
//3 potenciometers will be in the middle position so 127 is the middle from 254
data.throttle = 0;
data.yaw = 127;
data.pitch = 127;
data.roll = 127;
data.AUX1 = 0;
data.AUX2 = 0;

}

/**************************************************/

void setup()
{
Serial.begin(250000); //Set the speed to 9600 bauds if you want.
//You should always have the same speed selected in the serial monitor
resetData();
radio.begin();
radio.setAutoAck(false);
radio.setDataRate(RF24_250KBPS);

radio.openReadingPipe(1,pipeIn);
//we start the radio comunication
radio.startListening();

}

/**************************************************/

unsigned long lastRecvTime = 0;

void recvData()
{
while ( radio.available() ) {
radio.read(&data, sizeof(MyData));
lastRecvTime = millis(); //here we receive the data
}
}

/**************************************************/

void loop()
{
recvData();
unsigned long now = millis();
//Here we check if we've lost signal, if we did we reset the values 
if ( now - lastRecvTime > 1000 ) {
// Signal lost?
resetData();
}

Serial.print("Throttle: "); Serial.print(data.throttle);  Serial.print("    ");
Serial.print("Yaw: ");      Serial.print(data.yaw);       Serial.print("    ");
Serial.print("Pitch: ");    Serial.print(data.pitch);     Serial.print("    ");
Serial.print("Roll: ");     Serial.print(data.roll);      Serial.print("    ");
Serial.print("Aux1: ");     Serial.print(data.AUX1);      Serial.print("    ");
Serial.print("Aux2: ");     Serial.print(data.AUX2);      Serial.print("\n");



}

/**************************************************/