from machine import Pin, Timer
import time

# Pin definitions
button = Pin(14, Pin.IN, Pin.PULL_UP)   # Trigger button
actuator = Pin(26, Pin.OUT)            # Relay / LED

# Settings
SHUTOFF_TIME = 5000  # milliseconds (5 seconds)

# Timer
shutdown_timer = Timer(0)

def shutoff(timer):
    actuator.off()
    print("Actuator OFF (auto shutoff)")

def button_pressed(pin):
    if actuator.value() == 0:
        actuator.on()
        print("Actuator ON")
        shutdown_timer.init(
            period=SHUTOFF_TIME,
            mode=Timer.ONE_SHOT,
            callback=shutoff
        )

# Interrupt for button press
button.irq(trigger=Pin.IRQ_FALLING, handler=button_pressed)

print("System Ready")

while True:
    time.sleep(1)