import time
time.sleep(0.1) # Wait for USB to become ready

print("Hello, Pi Pico!")

from machine import ADC,Pin 
pot=ADC(Pin(26))
led=Pin(0,Pin.OUT)

while 1:
    val=pot.read_u16()
    print("adc value:",val)
    volt=val/65535*3.3
    print("adc volt:",volt,"V")
   # if volt>1 and volt<2:
    if volt<1 or volt >2:
        led.off()
    else:
        led.on()
    time.sleep(0.4)