from machine import Pin
from time import sleep

led_pin1 = Pin(2, Pin.OUT)
led_pin2 = Pin(5, Pin.OUT)
led_pin3 = Pin(13, Pin.OUT)

while True:
    battery_voltage = 0.4
    
    if battery_voltage >= 2:
        led_pin1.on()
        led_pin2.on()
        led_pin3.on()
        print("All LEDs on")
    elif 1 <= battery_voltage < 2:
        led_pin1.on()
        led_pin2.on()
        led_pin3.off()
        print("LED 1 on, LED 2 on, LED 3 off")
    elif 0.1 <= battery_voltage < 1:
        led_pin1.on()
        led_pin2.off()
        led_pin3.off()
        print("LED 1 on, LED 2 off, LED 3 off")
    else:
        led_pin1.off()
        led_pin2.off()
        led_pin3.off()
        print("LED 1 off, LED 2 off, LED 3 off")
    
    print("Loop Running!...")
    sleep(0.5)