包含一个完整的开发实例的源文件(包括LED驱动),已经通过编译,供upsd3400开发参考.-contains a complete example of the development of source documents (including LED Driver), has adopted compiler, upsd3400 reference for the development.

这是个51单片机驱动led8*8点阵的程序，跟大家分享下-This is the 51 single-chip driver led8* 8 dot matrix program, to share with you the next

本设计的指导思想是利用红外发光管发射红外线，红外接收管接收此红外线，并将其放大、整流形成高电平信号.当有人或物挡住红外光时，接收管没有接收到红外信号，放大器将输出低电平，同时将这个电平信号送入单片机进行控制计数，并经译码驱动电路使数码管显示数值。这样就得到要统计的人或物的数量。-The design of the guiding idea is to use infrared emission infrared LED and infrared receiver to receive the i

led灯驱动led drive IC SM1628 example program-led drive IC SM1628 example program