from machine import Pin, ADC
import time


POT_PIN = 26  
OVER_VOLTAGE_LED_PIN = 2  
UNDER_VOLTAGE_LED_PIN = 3  

adc = ADC()
pot = adc.channel(pin=Pot_PIN)
over_voltage_led = Pin(OVER_VOLTAGE_LED_PIN, Pin.OUT)
under_voltage_led = Pin(UNDER_VOLTAGE_LED_PIN, Pin.OUT)

over voltage and under voltage
OVER_VOLTAGE_THRESHOLD = 0.8  
UNDER_VOLTAGE_THRESHOLD = 0.2  


while True:
    pot_value = pot()

    if pot_value > OVER_VOLTAGE_THRESHOLD:
        over_voltage_led.value(1)
    else:
         over_voltage_led.value(0)
    if pot_value < UNDER_VOLTAGE_THRESHOLD:
         under_voltage_led.value(1)
    else:
        under_voltage_led.value(0)
time.sleep(0.1)