update

test_led.py

@@ -1,16 +1,16 @@
-import time
+'''
+实验名称：点亮第1个LED
+实验平台：核桃派
+'''
+
+#导入相关模块
 import board
-import digitalio
+from digitalio import DigitalInOut, Direction
 
-PIN = board.CS1
+#构建LED对象和初始化
+led = DigitalInOut(board.LED) #定义引脚编号
+led.direction = Direction.OUTPUT  #IO为输出
 
-print("hello blinky!")
+led.value = 1 #输出高电平，点亮板载LED蓝灯
 
-led = digitalio.DigitalInOut(PIN)
+#led.value = 0 #输出低电平，熄灭板载LED蓝灯
-led.direction = digitalio.Direction.OUTPUT
-
-while True:
-    led.value = True
-    time.sleep(0.5)
-    led.value = False
-    time.sleep(0.5)