一个单片机的原理图啊 ，用protel打开。网上当的

51单片机开发应用的一些小工具，对我们学习单片机有一些帮助，欢迎使用。-51 single-chip development and application of a number of small tools, to our single-chip learning some help, please use.

R63400 C51 test program

128*64 LCD 中文显示例程，KS0108芯片-128* 64 LCD Chinese display routines, KS0108 chip

ADC0832程序,C51版的,己调试通-ADC0832 procedures, C51 version, debug others pass

触摸屏芯片ads7846ads7843驱动程序(C语言编写），单片机控制的触摸屏驱动程序（C编写）-Touchscreen chip ads7846ads7843 Driver (C language), SCM control Touchscreen Driver (C preparation)

18b20温度测量，简单的c语言代码！ 方便易懂，-18b20 temperature measurement, a simple c language code! Convenient and easy to understand,

采用IAR在线调试ADI基于ARM7内核的ADUC7026的RAM_CODE-IAR debug using online ADI based on ARM7 core ADUC7026 the RAM_CODE

用交叉串口线连接两块单片机进行双机通信，扫描到有键按下时，键值发送出去，另一块板收到后以0-F方式显示在数码管上。-With cross-serial cable to connect two pairs of aircraft communications microcontroller to scan that there are key is pressed, the key to send out another one after the board received 0-F are displayed in the digital pipe.

c8051f020里面自带的温度传感器的使用程序，经调试通过。-C8051F020 own temperature sensor inside the use of procedures adopted by the debugger.

支持键盘双击事件的C程序设计,51实例，验证过的-Double-click the event to support the keyboard C-program design a