from machine import Pin, ADC, PWM
from time import sleep_ms, ticks_ms, ticks_diff

led = Pin(22, Pin.OUT)
buzz = PWM(Pin(4, Pin.OUT))
buzz.freq(500)
btn = Pin(12, Pin.IN, Pin.PULL_UP)
ldr = ADC(Pin(34))
ldr.atten(ADC.ATTN_11DB)
ldr.width(ADC.WIDTH_12BIT)

last_btn = btn.value()
last_btn_press = ticks_ms()
print("Initilizing...")
while True:
    ldrval = ldr.read()
    current_btn = btn.value()
    current_time = ticks_ms()

    if current_btn == 0 and last_btn == 1:
        if ticks_diff(current_time, last_btn_press) > 200:
            buzz.duty(10)
    else:
        buzz.duty(0)

    if ldrval > 3500:
        led.value(1)
    else:
        led.value(0)

    print(f"Button pressed: {True if current_btn == 0 else False}| LDR value: {ldrval}")
    sleep_ms(100)