from machine import Pin
import time

# GPIO pin numbers on Raspberry Pi Pico
RELAY_PIN = 21   # GP23
LED_PIN = 18     # GP18

relay = Pin(RELAY_PIN, Pin.OUT)
led = Pin(LED_PIN, Pin.OUT)

print("Relay + LED control started")

try:
    while True:
        relay.value(1)   # ON
        led.value(1)     # ON
        print("RELAY ON | LED ON")
        time.sleep(2)

        relay.value(0)   # OFF
        led.value(0)     # OFF
        print("RELAY OFF | LED OFF")
        time.sleep(2)

except KeyboardInterrupt:
    relay.value(0)
    led.value(0)
    print("Program stopped")