from machine import Pin
import time

# Pin setup
BUTTON_PIN = 18  # Button connected to GPIO18
LED_PIN = 15     # LED connected to GPIO15

# Initialize button and LED
button = Pin(BUTTON_PIN, Pin.IN, Pin.PULL_UP)  # Button with pull-up resistor
led = Pin(LED_PIN, Pin.OUT)  # LED as output

def main():
    """Main function to toggle the LED with a button press."""
    led_state = True  # LED initially OFF
    previous_button_state = 0  # Button not pressed initially (pull-up state is HIGH)

    print("Press the button to toggle the LED.")

    while True:
        # Read the current state of the button
        current_button_state = button.value()

        if current_button_state == 1 and previous_button_state == 0:
            # Button was just pressed
            led_state = not led_state  # Toggle the LED state
            led.value(led_state)  # Update the LED state
            print("LED ON" if led_state else "LED OFF")
            time.sleep(0.3)  # Debounce delay to avoid multiple toggles

        # Update the previous button state
        previous_button_state = current_button_state

        time.sleep(0.01)  # Short delay for smooth looping

# Run the main function
if __name__ == "__main__":
    main()