import utime
from machine import Pin, ADC
utime.sleep(0.1) # Wait for USB to become ready
print("Hello, Pi Pico!")

potentiometer = ADC(28)
conversion_factor = 3.3 / (65535)
while True:
    voltage = potentiometer.read_u16() * conversion_factor
    print(f"{voltage:.3f}")
    utime.sleep(2)