单片机控制红绿灯\栏杆机\红外光幕,显示屏 本程序接受上位机发来的命令:根据命令控制继电器,采用光偶技术控制栏杆机,采用lm339接受红外光墓信息,通过上位机发送汉字信息,在led上显示汉字信息,可以显示任意汉字(最大16*64点阵).-SCM control traffic lights \ railings \ infrared screens, the display of the program accepts commands sent to the host computer: Under the command and control relays, the use of dual technology control railings light, infrared light received by lm339 Tomb of information sent through the PC character information, led display Chinese characters, you can display any character (up to 16* 64 lattice).