from machine import Pin
import time

# 定義按鈕和 LED 的 GPIO 腳位
buttons = [Pin(12, Pin.IN, Pin.PULL_UP), 
           Pin(14, Pin.IN, Pin.PULL_UP), 
           Pin(32, Pin.IN, Pin.PULL_UP)]

leds = [Pin(13, Pin.OUT), 
        Pin(15, Pin.OUT), 
        Pin(33, Pin.OUT)]

try:
    while True:
        for i in range(len(buttons)):
            if not buttons[i].value():  # 檢查按鈕是否被按下
                leds[i].value(1)       # 點亮對應的 LED
            else:
                leds[i].value(0)       # 熄滅對應的 LED
        
        time.sleep(0.1)  # 避免 CPU 佔用過高

except KeyboardInterrupt:
    # 在結束程式時確保所有 LED 都熄滅
    for led in leds:
        led.value(0)