from machine import Pin
import time

led = Pin(25, Pin.OUT)  # Onboard LED pin on Raspberry Pi Pico
interval = 3000  # Interval in milliseconds
previous_time = time.ticks_ms()
led_state = False

print("Starting LED blink debug (MicroPython)")

while True:
    current_time = time.ticks_ms()
    if time.ticks_diff(current_time, previous_time) >= interval:
        previous_time = current_time
        led_state = not led_state
        led.value(led_state)
        
        if led_state:
            print("LED ON")
        else:
            print("LED OFF")