1，基于8051单片机 2，实现精准的NEC红外遥控的控制 3，不占用系统资源-1, based on 8051 2 to achieve precise control of NEC Infrared Remote Control 3, do not take up system resources

单片机最小系统，包含了原理图，源程序（c语言）还有详细的做法》-The smallest single-chip system contains the schematics, source code (c language) practice. "

使用ds18b20传感器的单片机温度测量系统程序-DS18B20 sensors using single-chip temperature measurement system procedures