#import RPi.GPIO as GPIO
#import time
from machine import Pin,PWM,ADC
from utime import sleep
#GPIO.setwarnings(False)
#GPIO.setmode(GPIO.BOARD)
#GPIO.setup(28,GPIO.IN) //no in-built ADC
#GPIO.setup(15,GPIO.OUT)
LDR=ADC(28)
pwm=PWM(Pin(15))
print("Hello,pi pico")
pwm.freq(1000)
while True:
    value=LDR.read_u16()
    print(value)
    pwm.duty_u16(value)
    if value<5000:
        print("Low")
        sleep(0.001)
    elif value>5000:
        print("Better")
        sleep(0.001)