DIY Receiver 3 Channel

Receiver Code:

//  3 Channel Receiver
//  PWM output on pins D3, D5, D6

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

int ch_width_1 = 0;
int ch_width_2 = 0;
int ch_width_3 = 0;

Servo ch1;
Servo ch2;
Servo ch3;

struct Signal {
byte throttle;      
byte steering;
byte aux1;

};

Signal data;

const uint64_t pipeIn = 0xE9E8F0F0E1LL;
RF24 radio(10, 9); 

void ResetData()
{
// Define the inicial value of each data input
// The middle position for Potenciometers
data.steering = 127;   // Center
data.throttle = 127;   // Motor Stop
data.aux1 = 0;         // Center
}

void setup()
{
  //Set the pins for each PWM signal
  ch1.attach(3);
  ch2.attach(5);
  ch3.attach(6);

  //Configure the NRF24 module
  ResetData();
  radio.begin();
  radio.openReadingPipe(1,pipeIn);
  radio.setAutoAck(false);
  radio.setDataRate(RF24_250KBPS);
  radio.setPALevel(RF24_PA_MAX);
  radio.startListening(); //start the radio comunication for receiver
}

unsigned long lastRecvTime = 0;

void recvData()
{
while ( radio.available() ) {
radio.read(&data, sizeof(Signal));
lastRecvTime = millis();   // receive the data
}
}
void loop()
{
recvData();
unsigned long now = millis();
if ( now - lastRecvTime > 1000 ) {
ResetData(); // Signal lost.. Reset data
}

ch_width_1 = map(data.steering, 0, 255, 1000, 2000);     // pin D3 (PWM signal)
ch_width_2 = map(data.throttle, 0, 255, 800, 2200);     // pin D5 (PWM signal)
ch_width_3 = map(data.aux1, 0, 1, 1000, 2000);           // pin D6 (PWM signal)

   // Write the PWM signal
ch1.writeMicroseconds(ch_width_1);
ch2.writeMicroseconds(ch_width_2);
ch3.writeMicroseconds(ch_width_3);
}