import machine
import utime

# Configure ADC for reading potentiometer
potentiometer_pin = machine.ADC(machine.Pin(26))

# Configure PWM for controlling servo motor
servo_pin = machine.Pin(15)
pwm = machine.PWM(servo_pin)
pwm.freq(50)  # Set PWM frequency (typically 50 Hz for servos)

while True:
    # Read potentiometer value
    pot_value = potentiometer_pin.read_u16()  # Read ADC value (0-65535)

    # Map potentiometer value (0-65535) to duty cycle (0-65535 for PWM)
    duty_cycle = int(pot_value / 65535 * 65535)

    # Set PWM duty cycle for controlling speed
    pwm.duty_u16(duty_cycle)

    utime.sleep_ms(20)  # Adjust delay as needed for responsiveness