#controlling the blnkingrate of led using pot.
from machine import Pin, ADC, PWM
from time import sleep

pot = ADC(Pin(15))
pot.atten(ADC.ATTN_11DB)
led=Pin(14, Pin.OUT)

while True:
  pot_value = pot.read()
  print("pot_value: ", pot_value, "  delay: ", 4*pot_value/4095)
  led.on()
  sleep(4*pot_value/4095)
  led.off()
  sleep(4*pot_value/4095)