基于avr单片机系统硬盘mp3设计，硬盘为fat32文件系统

4x4矩阵扫描键盘 用于PIC16f8-4x4 matrix keyboard scanning for PIC16f8

《单片机C语言编程与实例》的代码,使用keil编程环境,供大家参考- Microcontroller C programming language and examples of code, using keil programming environment, for your reference

44B0＋SL811，学习USB编程的好资料，强烈推荐-44B0+ SL811, learning programming USB good information, strongly recommended

51单片机的编程规范，对初学51编程有帮助。-51 microcontroller programming norms for beginners 51 programming help.

8051单片机串行读写EEPROM，24C02，本案例采用汇编编写。打包成函数，可直接调用。适合初学者学习。-8051 serial read and write EEPROM, 24C02, compilation of the preparation used in this case. Packaged into a function, can be directly invoked. Suitable for beginners to learn.

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.

这是一篇关于keilc的调试帮助文件，该文件详细列举了调试过程中可能出现的问题，并提出了解决方法，对读者有很大的帮助．-This is an article on debugging help keilc document in detail the process of debugging problems that may arise, and put forward solutions, the reader has a great help.

程序描述：使用Cypress的Cy7C68013A芯片进行设计，控制外部LED数码管的显示。程序包括USB固件程序以及主机程序。 安装：把源码拷贝到硬盘特定目录下，使用Keil C编译器和Visual C++ 6.0运行即可。 注意：可以首先使用Cypress的调试工具进行固件程序的调试，以确保固件程序的正确性。 -Description: Using Cypress

实现ATmel公司的支持SPI总线的存储芯片AT45DB011B的存取操作，kei c编写环境-Realize Atmel

C51七种实用子程序集2-C51 seven practical subroutine Set 2