from utime import sleep
sleep(0.5)
print("Hello, Pi Pico!")
from machine import ADC,Pin
led=Pin(4,Pin.OUT)
pot=ADC(Pin(26))
while 1:
val=pot.read_u16()
delay=0.2+val*(1.8)/65535
print(delay,"sec")
led.value(0)
sleep(delay)
led.value(1)
sleep(delay)