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Control an Arduino car with Bluetooth module

AYOUB DOUDOU answered on June 19, 2023 Popularity 7/10 Helpfulness 3/10

answer Control an Arduino car with Bluetooth module

Control an Arduino car with Bluetooth module

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#include <SoftwareSerial.h>

// Define the Bluetooth module pins
#define BT_RX_PIN 10
#define BT_TX_PIN 11

// Define the motor control pins
#define MOTOR_A_IN1 2
#define MOTOR_A_IN2 3
#define MOTOR_B_IN1 4
#define MOTOR_B_IN2 5

SoftwareSerial bluetooth(BT_RX_PIN, BT_TX_PIN);  // Create a SoftwareSerial object for Bluetooth communication

void setup() {
  // Set motor control pins as outputs
  pinMode(MOTOR_A_IN1, OUTPUT);
  pinMode(MOTOR_A_IN2, OUTPUT);
  pinMode(MOTOR_B_IN1, OUTPUT);
  pinMode(MOTOR_B_IN2, OUTPUT);

  // Set the baud rate for Bluetooth communication
  bluetooth.begin(9600);
}

void loop() {
  if (bluetooth.available()) {
    char command = bluetooth.read();

    // Perform the corresponding action based on the received command
    if (command == 'F') {
      moveForward();
    } else if (command == 'B') {
      moveBackward();
    } else if (command == 'L') {
      turnLeft();
    } else if (command == 'R') {
      turnRight();
    } else {
      stopMoving();
    }
  }
}

// Function to move the car forward
void moveForward() {
  digitalWrite(MOTOR_A_IN1, HIGH);
  digitalWrite(MOTOR_A_IN2, LOW);
  digitalWrite(MOTOR_B_IN1, HIGH);
  digitalWrite(MOTOR_B_IN2, LOW);
}

// Function to move the car backward
void moveBackward() {
  digitalWrite(MOTOR_A_IN1, LOW);
  digitalWrite(MOTOR_A_IN2, HIGH);
  digitalWrite(MOTOR_B_IN1, LOW);
  digitalWrite(MOTOR_B_IN2, HIGH);
}

// Function to turn the car left
void turnLeft() {
  digitalWrite(MOTOR_A_IN1, LOW);
  digitalWrite(MOTOR_A_IN2, HIGH);
  digitalWrite(MOTOR_B_IN1, HIGH);
  digitalWrite(MOTOR_B_IN2, LOW);
}

// Function to turn the car right
void turnRight() {
  digitalWrite(MOTOR_A_IN1, HIGH);
  digitalWrite(MOTOR_A_IN2, LOW);
  digitalWrite(MOTOR_B_IN1, LOW);
  digitalWrite(MOTOR_B_IN2, HIGH);
}

// Function to stop the car
void stopMoving() {
  digitalWrite(MOTOR_A_IN1, LOW);
  digitalWrite(MOTOR_A_IN2, LOW);
  digitalWrite(MOTOR_B_IN1, LOW);
  digitalWrite(MOTOR_B_IN2, LOW);
}

Popularity 7/10 Helpfulness 3/10 Language cpp

Source: chat.openai.com

Tags: arduino bluetooth c++ module

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Contributed on Jun 19 2023

AYOUB DOUDOU

0 Answers Avg Quality 2/10

Control an Arduino car with Bluetooth module

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