import board
print(board)
from digitalio import DigitalInOut, Direction
if __name__ == '__main__':
    try:
        print(digitalio)
        # 构建LED对象和初始化
        led = DigitalInOut(board)  # 定义引脚编号
        led.direction = Direction.OUTPUT  # IO为输出
        led.value = 0  # 输出低电平，熄灭板载LED蓝灯
        print("已经熄灭")
    except Exception as e:
        print(e)
        pass