from machine import Pin, ADC, PWM
import time

# LDR sensor on GPIO 34
ldr = ADC(Pin(34))
ldr.atten(ADC.ATTN_11DB)  # Read full range (0 - 3.3V)

# Servo motor on GPIO 18
servo = PWM(Pin(18), freq=50)

# Function to set servo angle
def set_angle(angle):
    duty = int((angle / 180) * 102 + 26)  # Convert angle to PWM duty
    servo.duty(duty)

while True:
    light_value = ldr.read()  # Read light intensity
    print("Light Value:", light_value)

    # Adjust this value based on your test
    if light_value < 200:
        print("Bright Light -> Move to 90°")
        set_angle(90)
    else:
        print("Low Light -> Move to 0°")
        set_angle(0)

    time.sleep(0.5)