from machine import Pin, PWM, ADC
from time import sleep

# Servo setup
servo = PWM(Pin(15), freq=50)

# Potentiometer setup
pot = ADC(Pin(34))
pot.atten(ADC.ATTN_11DB)  # Full range: 0-3.3V
pot.width(ADC.WIDTH_10BIT)  # 10-bit resolution: 0-1023

# Function to set servo angle (0-180)
def set_servo_angle(angle):
    min_duty = 1638  # ~0.5 ms
    max_duty = 8192  # ~2.5 ms
    duty = int(min_duty + (angle / 180) * (max_duty - min_duty))
    servo.duty_u16(duty)

while True:
    val = pot.read()  # Read potentiometer (0-1023)
    angle = int((val / 1023) * 180)  # Map to 0-180°
    set_servo_angle(angle)
    print("Pot:", val, "→ Angle:", angle)
    sleep(0.1)