from machine import Pin
import time
# 設定LED引腳，假設使用GPIO 2
led = Pin(2, Pin.OUT)
while True:
for i in range(1,6):
led.on() # 開啟LED
time.sleep(i) # 等待1秒
led.off() # 關閉LED
time.sleep(i) # 再等待1秒from machine import Pin
import time
# 設定LED引腳，假設使用GPIO 2
led = Pin(2, Pin.OUT)
while True:
for i in range(1,6):
led.on() # 開啟LED
time.sleep(i) # 等待1秒
led.off() # 關閉LED
time.sleep(i) # 再等待1秒