Notes

// Define the pins for the PMOS and NMOS
const int PMOS_pin = 9;
const int NMOS_pin = 10;

// Define the pins for the PWM control of the motor speed
const int PWM_pin_A = 3; // Connected to the PMOS gate
const int PWM_pin_B = 5; // Connected to the NMOS gate

// Define the delay for the initial clockwise rotation
const unsigned long delay_time = 5000; // 5 seconds in milliseconds

// Define variables to keep track of the motor state and timing
bool clockwise = true;
unsigned long start_time = 0;

// Function to rotate the motor clockwise
void rotateCW() {
digitalWrite(PMOS_pin, HIGH);
digitalWrite(NMOS_pin, LOW);
analogWrite(PWM_pin_A, 255);
analogWrite(PWM_pin_B, 0);
}

// Function to rotate the motor anticlockwise
void rotateACW() {
digitalWrite(PMOS_pin, LOW);
digitalWrite(NMOS_pin, HIGH);
analogWrite(PWM_pin_A, 0);
analogWrite(PWM_pin_B, 255);
}

void setup() {
// Initialize the pins as outputs
pinMode(PMOS_pin, OUTPUT);
pinMode(NMOS_pin, OUTPUT);
pinMode(PWM_pin_A, OUTPUT);
pinMode(PWM_pin_B, OUTPUT);
}

void loop() {
unsigned long current_time = millis();

// Check if it's time to switch directions
if (current_time - start_time >= delay_time && clockwise) {
// Switch to counterclockwise rotation
clockwise = false;
rotateACW();
}
else {
// Set the motor direction and speed based on the current state
if (clockwise) {
rotateCW();
} else {
rotateACW();
}
}
}