update

test_led.py

@@ -8,9 +8,9 @@ import time
 import board
 from digitalio import DigitalInOut, Direction
 # 构建LED对象和初始化
+while True:
     led = DigitalInOut(board.CS1)  # 定义引脚编号
     led.direction = Direction.OUTPUT  # IO为输出
-while True:
     print("熄灭")
     led.value = 0  # 输出低电平，熄灭板载LED蓝灯
     print("点亮")