from machine import Pin, ADC
import time
pot = ADC(Pin(34))  
pot.atten(ADC.ATTN_11DB)  
pot.width(ADC.WIDTH_10BIT)

while True:
    pot_value = pot.read()  
    voltage = pot_value * (3.3 / 1023)  
    print("POT Value:", pot_value, "  Voltage:", round(voltage, 2), "V")
    time.sleep(0.5)