用C8051F020读取红外遥控，采用扫描的方法

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读取RF射频卡源代码（C51）-RF card reader source code (C51)

440BX开发板 USB pd12通信测试程序-440BX Development Board USB pd12 communications test procedures

如何由单片机升级到DSP中文教程，对需要的同志们很有帮助哦-How to upgrade to a DSP by the single-chip Chinese course, comrades in need of helpful Oh

这是我画的步进电机通用的驱动板，当然只是应用到初学者，版胡德不是很好，希望大家多多指教。-This is my painting of the stepper motor drive GM board, of course, only applied to the beginner, not a very good version of Ehud, I hope everyone exhibitions.

高精度实时时钟－SD2001驱动程序 用于威帆电子SD200X系列IC驱动-high-precision real-time clock-driven procedures for SD2001 Granville sails electronic SD200X Series Driver IC

51单片机方面的程序 用汇编写的 很经典的一些程序-51 SCM procedures used to write the classic compilation of some of the procedures

用8051单片机可实现音乐播放功能（以"新年好"为例）。如果安装了Proteus软件，可方便的在自己的电脑上实现仿真。-YOU KAN PLAY BEAUTIFUL MUSIC WITH THE HELP OF 8051MCU.YOU CAN SIMPLY MAKE IT IF YOU HAVE THE MASTERY OF PROTEUS.

用vc++实现的双踪示波器程序源码 用vc++实现的双踪示波器程序源码. 用vc++实现的双踪示波器程序源码-With vc++ Realize the dual-trace oscilloscope program source with vc++ Realize the dual-trace oscilloscope program source code. Using vc++ Realize the dual-trace oscilloscope program source

安装在手机里的安全的免费读书软件，目前装机量已达1500万，并被内置到诺基亚、摩托罗拉、多普达等手机中。用户的手机在安装掌上书院之后，可以阅读保存在手机里的各类资料-e book reader