pid算法的源程序，这个程序很不错，是入门的很好帮助

KeilC开发,51通过8255对外部4*4键盘进行控制.按键分别为0-9以及上下左右,加上确认取消.-KeilC development through 8255 to 51 4* 4 external keyboard control. Keys were 0-9 and above and below, coupled with canceled.

自制红外线自动门控制器电路,市场上成品的自动门控制及执行机构价格普遍偏高，文中介绍的方法适合家庭自制使用，用到的元器件都很容易找到，有兴趣者不仿一试。-Self-made infrared automatic door controller circuit, the market finished the automatic door control and enforcement agencies generally high prices, the introduction of the method is suitable for home use, the components used are very easy to find, do not have interest in like a try.

MSP430F2使用说明 对初学430单片机的会有帮助-MSP430F2 Use

发送数据代码,大家可以参考一下的,不好的地方还请多多指教-Send data code, you can refer to, and not a lot of places, please advice

步进电机的控制原理和程序,单片机，仿真图-Stepper motor control principles and procedures, single-chip, simulation diagram

单片机控制原理书-MCU control theory book

对51单片机的介绍，是菜鸟级入门的好资料，能让学生更好的学习-SCM 51, the rookie is a good entry-level information that allows students to better learning

内置T6963C的液晶图形模块的详细资料-Built-T6963C Graphic LCD Module details

基于单片机8051的嵌入式开发指南.pdf 电子工业出版社-Based on the 8051 single-chip embedded development guide. Pdf Publishing House of Electronics Industry

实现T9693C 液晶的51 C源程序 包含划线, 字符,图形,影像功能-T9693C LCD realize the source code contains the 51 C line, characters, graphics, video capabilities