一个对4X4数字键盘进行行&列扫描,获取扫描码的程序,支持符合键,串键,软件去抖.

I2C C51模块程序。在C51项目中加入该模块程序，即可调用。测试程序可以可以演示该模块程序的使用。-I2C C51 module procedures. In the C51 project to add the module procedures, you can call. Test procedure can be demonstration of the use of the module procedures.

Proteus的使用教程，该教程介绍了如何用proteus进行电路模拟仿真，包含了元件的加载、原理图的制作及在keil中如何联调。该教程综合了网上的比较详细的使用说明，出现的各种版本（包括英文文档）。最后还有一些proteus仿真例子及源码供大家学习用。-Proteus use of tutorials, the tutorial describes how to use proteus for circuit simulation, contains the components of the load, schematic diagram of the production and how the FBI in keil. The synthesis of an online tutorial more detailed instructions, there" s various versions (including English documents). Finally, there are proteus simulation examples and source code available for everyone to learn from.

开发环境为keil166，使用xc164cs从can接收数据 在串口定时发送-Development environment for keil166, the use of xc164cs from the serial port can receive data sent from time to time

关于传感器的程序，请各位大侠给予指导，等-Procedures on the sensor, please heroes for guidance, etc.

单片机的程序，关笑喇叭报警用的，大家过来看看啊，说不定有用。-SCM procedures, customs police used loudspeakers laugh, we had来看看啊might be useful.

语音芯片API8108的中文资料，本人花了很多功夫才找到的很好的资料，需要的可以下载试用-Voice Chip API8108 the Chinese data, I spent a lot of effort to find good information on the needs of a trial can be downloaded

水位仪通讯控制源码，主要用于水位数据的通讯-Source water level control instrument of communication, mainly used for water level data communications

把单片机串口通讯改造为SPI通讯接口源程序，使用C51语言编写，可以用于MCS8051单片机-put microcontroller serial communications to transform SPI interface source, the use of C51 language, which can be used Mcs8051 MCU

Serial Communication Interface SCI : Transmit & Receive Interrupt -Serial Communication Interface SCI : Transmit

Electronicworkbench5.1，非常简单的电路分析软件，对电路分析、模拟电路等课程的简单电路进行方针，验证计算结果。-Electronicworkbench5.1