高速PCB设计资料，很好的东西，推荐下载

用单片机的I/O口象检测按键那样对其进行查询计数，在旋转速度较慢时，可以对其计数-With MCU I/O port as the detection of keys as its query count, slow rotating, you can count on their

一个单片机控制继电器的程序。用C编，可实现一定的基础控制功能

独立模块通过到单片机控制，数码管显示。能显示秒，分，时-Independent modules to single-chip microcomputer control, digital tube display. Can show seconds, minutes, hours

能够 实现小车的自动寻迹小车，且速度较快并且很稳定-Able to realize the automatic tracing trolley car, and faster and very stable

基于16f877的单片机人数统计系统源码，可统计进出门的人数，用数码管显示-16f877 microcontroller based on the number of source statistical system can go out into the number of statistics, with digital display

HT1621驱动程序~~内带清屏，和4为自加1显示（3COM ，1/2偏压）-HT1621 driver ~ ~ within the zone clear screen, and 4 plus a self-display (3COM, 1/2 bias)

时钟芯片DS1302及其在数据记录中的应用-Clock chip DS1302 and its application in the data record

51单片机的 中文拼音输入法 c源程序 -51 Singlechip Chinese Pinyin input method c source

红外遥控键值解码1602液晶显示（汇编语言），是红外遥控研究的必备基础-Infrared remote control key decoder 1602 liquid crystal display (assembly language) is the infrared remote-control study based on the essential

本源码的目的是让大家熟悉单片机内部EEPROM的读写方法 -The purpose of this source is well-known single-chip internal EEPROM reading and writing methods