from machine import Pin, ADC, PWM
 from time import sleep
1dr=ADC(Pin(13))
led-Pwa(Pin(14),5000)
ir-Pin(15,Pin.OUT)
ldr.width(ADC.MIDTH_198IT)
while True:
     x=ldr.read()
    y=ir.value()
    if(y==1):
         led.duty(x)
     else:
         led.duty(0)