51做的门禁系统代码，有4×4键盘扫描，9346的存储功能，掉电不丢失密码，3重密码防忘记功能...

提供三片CS5463、一片CS5460A 电压数据采集和标定、温度和直流量的AD接口 -To provide three CS5463, a CS5460A-voltage data acquisition and calibration, temperature, and direct flow of AD Interface

非常好用的大容量EEPROM存储器，带2线或3线SPI接口，带128字节高速缓存。-very handy, large capacity EEPROM memory, with two lines or three-wire SPI interface, with 128 byte cache.

C8051F系列CPU，解决128K程序调试例程，用C语言编写。-C8051F series CPU, resolve 128K program debugging routines, using C language.

pic16f877a单片机学习板的使用方法，内有原理图以及各试验程序，源代码实验内容丰富。由乾龙盛公司出品。-pic16f877a use MCU board to learn, containing schematics, as well as testing procedures, the source code for experiments with rich content. The company from a dry Longsheng Chu Pin.

msp430 与12864的之间的通信,已经成功调试,不过因为12864的类型不一样,可能不能直接用,你还需要修改一下-12864 between the MSP430 and communications, has successfully debug, but because of the type not the same as 12864, may not be directly used, you also need to make some corrections

C:CypressUSBExamplesFX2重要的实验程序cypress官方提供vender-C: CypressUSBExamplesFX2 important experimental procedures cypress official vender

该例程是MC9S12DG128中CAN模块开发的实例，对CAN通讯开发人员来说是个很好的参考资料。-The routine is in the CAN module development MC9S12DG128 examples of pairs of CAN communications developers is a good reference.

这是用320*240TFT显示的FFT和IFFT测试程序，只要把不同型号的液晶更改初始化程序，就可以实现移植。-It is used 320* 240TFT shows FFT and IFFT testing procedures, so long as the different types of liquid crystal changes to initialization procedures, transplantation can be achieved.

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.-one pair of 4x4 digital keyboard ranks scanning, access code scanning procedures, with key support and collaborate keys, software to tremble.

KeilC51调试命令大全-KeilC51 commands Daquan