使用protel99软件编辑的原理电路图，希望对各位有助于电路图的学习和开发...

c51primer

AVR单片机实现SPI通信完整源码,可直接拿过来用了-AVR MCU SPI communication complete source code, as it can be spent

一个有关电子时钟的单片机程序,可显示年月日,以及小时,分秒,可以手动修改时间.-An E clock of the single-chip process, can display date and hour, every minute, can be manually modified.

单片机常用芯片和器件手册，介绍了与MS－51相关的常用芯片和器件。-Single-chip microcomputer chips and devices commonly used manual introduction with MS-51-related chips and devices commonly used.

max7219显示程序，用C语言编写，可用keil运行-max7219 display program

单片机音乐程序的设计与实验，包含音乐程序的设计原理。-music SCM procedures and experimental design, including music program design principles.

C8051f020是基于51核的业界8位单片机最高速的，指令执行速度25MIPS。这个程序包是新华龙公司提供的，需要购买900元的开发系统才会赠送此文件包，先上传。可以用keil软件打开或者去www.xhl.com.cn下载IDE软件打开工程ps－－－c文件直接用记事本就ok啦^_^，里面有温度传感，步进电机等等源代码，方面移植！^_^-C8051f020 is based on the 51 nuclear industry eight most high-speed microcontroller, instruction execution speed MIPs. This package is a new company providing the Hualong, you need to buy 900 yuan development system will give this package, the first upload. Keil software can be used to open or download IDE www.xhl.com.cn open software engineering-- c ps documents directly on the notebook ok-- ^ _ ^, inside temperature sensor, stepper motors, etc. source code, area transplant! ^ _ ^

使用汇编语言的89C2051LED显示程序源码-The use of assembly language source 89C2051LED display program

MAX197 ADC程序,用在一个项目上的,思想很清晰-MAX197 ADC procedures used in a project on the ideological and very clear

光电鼠标的电路图，很好的，多多交流学习-Circuit diagram of optical mouse, very good, a lot of exchange of learning