89C2051 generated by PWM signal to control DC motor speed control

89S52下C51写的I2C通讯程序，测试通过，本人正在使用-C51 under 89S52 write I2C communication procedures, test passed, I am being used

读卡器SIM卡SIMcard读写模块源代码-Reader SIM card SIMcard R/W Module source code

C51的4×3键盘、LED数码显示、串行通讯-C51 4 3 keyboard, LED digital display, serial communications

对初学者会有用。主要针对于西门子STEP7组态编程的实践程序。软件平台《step7v5.3》-Be useful for beginners. The main target in the configuration of Siemens STEP7 programming practice procedure. Software platform

该源码是一款用12864做的英文游戏，具有proteus仿真，比较有趣，能激发学液晶的兴趣-The source code is a 12864 to do with the English game, with the Proteus simulation, the more interesting, can stimulate interest in science LCD

关于51单片机的ucos-II操作系统移植论文，详细介绍简单操作系统的移植硬件知识和CPU结构知识及单片机软件编程技巧-About 51 MCU ucos-II operating system migration papers, details of a simple migration of hardware, operating system, CPU structure of knowledge and the knowledge and SCM software programming skills

128*64程序和仿真80C51 128*64 LCM program and simulate for 80C51. help for you -128* 64 procedures and simulation 80C51128* 64 LCM program and simulate for 80C51.help for you

dsp 5509a 的usb程序ATMEGA16单片机进行AD转换的源程序代码-dsp 5509a the usb procedures ATMEGA16 microcontroller for AD conversion of the source code

Mega64与ST16c554之间的电路连接图-Mega64 and ST16c554 circuit between the connection graph

基于avr单片机的，spi接口的sd卡读写源程序-based avr MCU, 20 interface sd card reader source