from machine import ADC
import time
time.sleep(0.1) # Wait for USB to become ready
LowMAX = 21845
MidMax = 43690
potentiometer = ADC(28)
while True:
    result = potentiometer.read_u16()
    if result < LowMAX:
        print("Low")
    elif result < MidMax:
        print("Medium")
    else:
        print("High")
    time.sleep(0.3)