from machine import Pin, Timer
import time

led_pin = Pin(15, Pin.OUT)
led_pin_2 = Pin(2, Pin.OUT)

def toggle_led(timer):
    led_pin.value(not led_pin.value())
def toggle_led_2(timer):
    led_pin_2.value(not led_pin_2.value())

led_timer = Timer(0)
led_timer.init(period=1000, mode=Timer.PERIODIC, callback=toggle_led)
led_timer_2 = Timer(1)
led_timer_2.init(period=500, mode=Timer.PERIODIC, callback=toggle_led_2)
while True:
    print("MAIN LOOP RUNNING...")
    time.sleep(1)