NRF24L01 PART-5 || CONTROLING ROBOT || LED, SERVOS, DC-MOTORS
TRANSMITTER CIRCUIT DIAGRAM:
RECEIVER CIRCUIT DIAGRAM:
COMPONENTS REQUIRED:
1. NANO(2).
2. NRF24L01(2).
3. BATTERIES(2).
4. PUSH BUTTONS(4).
5. POTENTIOMETER(3).
6. SERVOS(3).
7. DC MOTORS(4).
8. MOTOR DRIVER (L298N/L293D).
9. SPDT TOGGEL SWITCH(3).
TRANSMITTER CODE:
#include<nRF24L01.h>
#include<RF24.h>
#include<SPI.h>
RF24 radio(9, 10);//CE,CSN
const byte address[6] = "000001";
//LIGHTS................................
int FRONT_LED = A0;
int BACK_LED = A1;
//MOTORS................................
int LEFT_FRONT_MOVE = 4;
int LEFT_BACK_MOVE = 5;
int RIGHT_FRONT_MOVE = 6;
int RIGHT_BACK_MOVE = 7;
//SERVOS................................
int SERVO = A2;
void setup() {
radio.begin();
radio.openWritingPipe(address);
radio.stopListening();
//LIGHTS................................
pinMode(FRONT_LED, INPUT);
pinMode(BACK_LED, INPUT);
//MOTORS................................
pinMode(LEFT_FRONT_MOVE, INPUT_PULLUP);
pinMode(LEFT_BACK_MOVE, INPUT_PULLUP);
pinMode(RIGHT_FRONT_MOVE, INPUT_PULLUP);
pinMode(RIGHT_BACK_MOVE, INPUT_PULLUP);
//SERVOS................................
pinMode(SERVO, INPUT);
}
void loop() {
int ROBOT[7];
//LIGHTS................................
ROBOT[0] = digitalRead(FRONT_LED);
ROBOT[1] = digitalRead(BACK_LED);
//SERVOS................................
ROBOT[2] = digitalRead(SERVO);
//MOTORS................................
ROBOT[3] = digitalRead(LEFT_FRONT_MOVE);
ROBOT[4] = digitalRead(LEFT_BACK_MOVE);
ROBOT[5] = digitalRead(RIGHT_FRONT_MOVE);
ROBOT[6] = digitalRead(RIGHT_BACK_MOVE);
radio.write(&ROBOT,sizeof(ROBOT));
delay(100);
}
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RECEIVER CODE:
#include<nRF24L01.h>
#include<RF24.h>
#include<SPI.h>
#include<Servo.h>
Servo myservo;
//LIGHTS................................
#define FRONT_LED A5
#define BACK_LED A0
//MOTORS................................
#define LMT1 5
#define LMT2 6
#define RMT1 7
#define RMT2 8
RF24 radio(9, 10);//CE,CSN
const byte address[6] = "000001";
void setup() {
radio.begin();
radio.openReadingPipe(0, address);
radio.startListening();
//LIGHTS................................
pinMode(FRONT_LED, OUTPUT);
pinMode(BACK_LED, OUTPUT);
//SERVOS................................
myservo.attach(2);
//MOTORS................................
pinMode(LMT1, OUTPUT);
pinMode(LMT2, OUTPUT);
pinMode(RMT1, OUTPUT);
pinMode(RMT2, OUTPUT);
}
void loop() {
if(radio.available()){
ROBOT();
}
}
void ROBOT(){
delay(100);
//LIGHTS................................
digitalWrite(FRONT_LED, LOW);
digitalWrite(BACK_LED, LOW);
//MOTORS................................
digitalWrite(LMT1, LOW);
digitalWrite(LMT2, LOW);
digitalWrite(RMT1, LOW);
digitalWrite(RMT2, LOW);
//SERVOS................................
myservo.write(0);
int ROBOT[7];
radio.read(&ROBOT,sizeof(ROBOT));
//LIGHTS................................
if(ROBOT[0] == 0){
digitalWrite(FRONT_LED, HIGH);//FRONT_LIGHTS
}
if(ROBOT[1] == 0){
digitalWrite(BACK_LED, HIGH);//BACK_LIGHTS
}
//...........................................................
//SERVOS................................
if(ROBOT[2] == 0){//SERVO
myservo.write(180);
}
//...........................................................
//MOTORS................................
if(ROBOT[3] == 0){//LEFT_FRONT_MOVE
digitalWrite(LMT1, HIGH);
digitalWrite(LMT2, LOW);
}
if(ROBOT[4] == 0){//LEFT_BACK_MOVE
digitalWrite(LMT1, LOW);
digitalWrite(LMT2, HIGH);
}
if(ROBOT[5] == 0){//RIGHT_FRONT_MOVE
digitalWrite(RMT1, HIGH);
digitalWrite(RMT2, LOW);
}
if(ROBOT[6] == 0){//RIGHT_BACK_MOVE
digitalWrite(RMT1, LOW);
digitalWrite(RMT2, HIGH);
}
}
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