from machine import Pin
import time

led = Pin(9, Pin.OUT)
button = Pin(15, Pin.IN, Pin.PULL_UP)

led_state = 0          # 0 = OFF, 1 = ON
last_button = button.value()
last_ms = 0
DEBOUNCE_MS = 120
count = 0

# Initialize LED
led.value(led_state)

while True:
    curr = button.value()

    # Falling edge: released(1) -> pressed(0)
    if last_button == 1 and curr == 0:
        now = time.ticks_ms()
        if time.ticks_diff(now, last_ms) > DEBOUNCE_MS:
            # Toggle LED once per press
            led_state ^= 1
            led.value(led_state)
            count = count + 1
            print(count)
            
            # Print ON/OFF once
            print("ON" if led_state else "OFF")

            last_ms = now

    last_button = curr
    time.sleep_ms(5)