#Program to control LED brigthness connected to GPIO04.
#Use an LDR connected to GPIO34
#such that more sunlight less brightness.

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

led=PWM(Pin(4),5000)
ldr=ADC(Pin(34))

ldr.width(ADC.WIDTH_10BIT)
ldr.atten(ADC.ATTN_11DB)

while True:
    x=ldr.read()
    print(x)
    led.duty(x)
    sleep(0.05)