红外线驱动，对红外线进行控制，当人阻挡时，就会亮灯-IR driver, infrared control, when the person is blocked, it will lit

LIRC (Linux Infrared remote control,Linux红外线遥控)是一个开放源代码的包。这个包可以让你的Linux系统能够接收及发送红外线信号。利用LIRC和红外线接收器，你就几乎可以用所有的红外线遥控器（例如：电视遥控器）来控制你的电脑。-This article is about Linux Infrared Remote Control. For the railroad with reporting mark LIRC, see Louisville and