NRF24L01 PART-4 || DC MOTORS CONTROL

CIRCUIT DIAGRAM:

COMPONENTS REQUIRED:

1. ARDUINO NANO(2).

2. NRF24L01 (2).

3. BUTTONS(4).

4. DC MOTORS(4).

5. MOTOR DRIVER(L298N/L293D).

6. BATTERIES(2).

TRANSMITTER CODE:

#include<nRF24L01.h>

#include<RF24.h>

#include<SPI.h>

RF24 radio(9, 10);//CE,CSN

const byte address[6] = "mkinventions100";

int LEFT_FRONT_MOVE = 4;

int LEFT_BACK_MOVE = 5;

int RIGHT_FRONT_MOVE = 6;

int RIGHT_BACK_MOVE = 7;

void setup() {

radio.begin();

radio.openWritingPipe(address);

radio.stopListening();

pinMode(LEFT_FRONT_MOVE, INPUT_PULLUP);

pinMode(LEFT_BACK_MOVE, INPUT_PULLUP);

pinMode(RIGHT_FRONT_MOVE, INPUT_PULLUP);

pinMode(RIGHT_BACK_MOVE, INPUT_PULLUP);

}

void loop() {

int MOTORS[4];

MOTORS[0] = digitalRead(LEFT_FRONT_MOVE);

MOTORS[1] = digitalRead(LEFT_BACK_MOVE);

MOTORS[2] = digitalRead(RIGHT_FRONT_MOVE);

MOTORS[3] = digitalRead(RIGHT_BACK_MOVE);

radio.write(&MOTORS,sizeof(MOTORS));

delay(100);

}

RECEIVER CODE:

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

#define LMT1 5
#define LMT2 6
#define RMT1 7
#define RMT2 8

RF24 radio(9, 10);//CE,CSN

const byte address[6] = "mkinventions100";
void setup() {
radio.begin();
radio.openReadingPipe(0, address);
radio.startListening();

pinMode(LMT1, OUTPUT);
pinMode(LMT2, OUTPUT);
pinMode(RMT1, OUTPUT);
pinMode(RMT2, OUTPUT);
}

void loop() {
if(radio.available()){

MOTORS();
}
}

void MOTORS(){
delay(100);

digitalWrite(LMT1, LOW);
digitalWrite(LMT2, LOW);
digitalWrite(RMT1, LOW);
digitalWrite(RMT2, LOW);

int MOTORS[4];
radio.read(&MOTORS,sizeof(MOTORS));

//LEFT_FRONT_MOVE
if(MOTORS[0] == 0){
digitalWrite(LMT1, HIGH);
digitalWrite(LMT2, LOW);
}
//LEFT_BACK_MOVE
if(MOTORS[1] == 0){
digitalWrite(LMT1, LOW);
digitalWrite(LMT2, HIGH);
}

//RIGHT_FRONT_MOVE
if(MOTORS[2] == 0){
digitalWrite(RMT1, HIGH);
digitalWrite(RMT2, LOW);
}

//RIGHT_BACK_MOVE
if(MOTORS[3] == 0){
digitalWrite(RMT1, LOW);
digitalWrite(RMT2, HIGH);
}
}

NRF24L01 TUTORIALS

1. NRF24L01 PART-1 || SERIAL COMMUNICATION
2. NRF24L01 PART-2 || LEDS CONTROLL
3. NRF24L01 PART-3 || CONTROLING SERVOS
4. NRF24L01 PART-4 || DC MOTORS CONTROL
5. NRF24L01 PART-5 || CONTROLING ROBOT || LED, SERVOS, DC-MOTORS

NRF24L01 PART-4 || DC MOTORS CONTROL