单片机定时器模拟日历和时间，并且用红外遥控控制 -Microcontroller timer simulation calendar and the time, and with infrared remote control

51单片机模拟红外发射程序，采用汇编语言编写。-51 single-chip analog infrared emission program in assembly language.

15系列单片机的例程，内有跑马灯，中断，模拟spi通信，红外接收等程序可供参考-15 MCU routine, there are marquees, interrupt simulation spi communication, infrared receiver and other procedures for reference