#script to control the LED brightness w.r.to position of pot 
from machine import Pin, ADC, PWM  
from time import sleep  
 
 #Configure ADC for ESP32  
pot = ADC(Pin(34))  
pot.width(ADC.WIDTH_10BIT)  
pot.atten(ADC.ATTN_11DB)
led_pwm = PWM(Pin(5,5000)) 	#freq=5000 

while True:
    button_state=button.value()
    led.value(button_state)
    pot_value = pot.read()  
    led_pwm.duty(pot_value//4)  
    sleep(0.1)