Motor on

// Pin configuration
const int potPin = A0;        // Analog pin connected to the potentiometer
const int motorPWM = 9;       // PWM output pin connected to the H-bridge for motor speed control
const int motorDir1 = 7;      // Digital pin connected to H-bridge for motor direction control (direction 1)
const int motorDir2 = 8;      // Digital pin connected to H-bridge for motor direction control (direction 2)
const int buttonPin = 2;      // Digital pin connected to the push button

void setup() {
    // Set up the pin modes
    pinMode(motorPWM, OUTPUT);     // Set PWM pin as output
    pinMode(motorDir1, OUTPUT);    // Set direction control pin 1 as output
    pinMode(motorDir2, OUTPUT);    // Set direction control pin 2 as output
    pinMode(buttonPin, INPUT_PULLUP);  // Set button pin as input with an internal pull-up resistor

    // Initialize the serial monitor for debugging
    Serial.begin(9600);

    // Initial motor state (stopped)
    analogWrite(motorPWM, 0); // Ensure the motor is not running at the start
}

void loop() {
    // Read the potentiometer value to determine motor speed
    int potValue = analogRead(potPin); // Read the raw value (0 to 1023)
    int motorSpeed = map(potValue, 0, 1023, 0, 255); // Map the raw value to PWM range (0 to 255)

    // Check if the button is pressed (LOW when pressed due to internal pull-up)
    if (digitalRead(buttonPin) == LOW) {
        // Set the motor direction (e.g., forward)
        digitalWrite(motorDir1, HIGH);
        digitalWrite(motorDir2, LOW);

        // Write the PWM value to the motor control pin to set speed
        analogWrite(motorPWM, motorSpeed);
        
        // Print the current motor status for debugging
        Serial.println("Motor is ON");
    } else {
        // Stop the motor when the button is not pressed
        analogWrite(motorPWM, 0);

        // Print the current motor status for debugging
        Serial.println("Motor is OFF");
    }

    // Small delay to allow the system to stabilize
    delay(10);
}