reciever_uno

#include <SPI.h>
#include <nRF24L01.h>
#include <RF24.h>
#include <CheapStepper.h> //Library can be found here: https://github.com/tyhenry/CheapStepper

const unsigned short int MAIN_DELAY = 1000;
const unsigned short int requiredStep = 2048;
const int CE = 6;
const int CSN = 7;
int joystickData[3] = {0};
int leftLimitSwitch = A1;
int rightLimitSwitch = A2;
int leftEndSwitchState = 0;
int rightEndSwitchState = 0;
const int speedSetpoint1 = 1;
const int speedSetpoint2 = 2;
unsigned int speedValue = 1;
int rotateStepperSetpointSlow = 20; // RPM can be set from 1RPM to 15RPM
int rotateStepperSetpointFast = 25; // RPM can be set from 1RPM to 15RPM
bool joystickButtonPressed = 0;
CheapStepper motor (8,9,10,11);  //Create 28BYJ-48 object. Pins might be different. See description on https://github.com/tyhenry/CheapStepper

RF24 radio(CE, CSN); // CE, CSN
const byte address[6] = "00001";

void set_speed()
{
  if(speedValue == speedSetpoint1)
  {
    motor.setRpm(rotateStepperSetpointSlow);
    speedValue = speedSetpoint2;
  }
  else
  {
    motor.setRpm(rotateStepperSetpointFast);
    speedValue = speedSetpoint1;
  }
}

void setup()
{
  pinMode(leftLimitSwitch, INPUT);
  digitalWrite(leftLimitSwitch, HIGH);
  pinMode(rightLimitSwitch, INPUT);
  digitalWrite(rightLimitSwitch, HIGH);
  Serial.begin(9600);
  motor.setRpm(rotateStepperSetpointSlow); // RPM can be set from 1RPM to 15RPM
  radio.begin();
  radio.openReadingPipe(0, address);
  radio.setPALevel(RF24_PA_MIN);
  radio.startListening();
}
void loop()
{
  leftEndSwitchState = digitalRead(leftLimitSwitch);
  rightEndSwitchState = digitalRead(rightLimitSwitch);
  Serial.println(leftEndSwitchState);
  Serial.println(rightEndSwitchState);
  Serial.println("==================");

  /*
    Start reading from NRF module
  */
  if ( radio.available())
  {
      radio.read(&joystickData, sizeof(joystickData)); //read data
      Serial.println(joystickData[0]); // X-Position
      Serial.println(joystickData[1]); // Y-position
      Serial.println(joystickData[2]); // SW Button
      Serial.println("@@@@@@@@@@@@@");

      /*
        Set speed dependently on SW button state
      */
      if(joystickData[2] == 1 && joystickButtonPressed == 0)
      {
        set_speed();
        joystickButtonPressed = 1;
      }
      if(joystickData[2] == 0)
      {
        joystickButtonPressed = 0;
      }

      /*
        Move rotate stepper
      */
      /*
      if(joystickData[1] > 800)
      {
        Serial.println("Rotating motor to ClockWise");
        motor.moveTo (true, requiredStep);
      } else if(joystickData[1] < 300)
      {
        Serial.println("Rotating motor to CounterClockWise");
        motor.moveTo(false, requiredStep);
      }else
      {
        Serial.print("No motor action. Value of Y-position is:");
        Serial.println(joystickData[1]);
      }
      */

  }
        motor.moveTo(true, 2048);
  if(MAIN_DELAY !=0)
  {delay(MAIN_DELAY);}
}