超声波测剧驱动 40KHZ 频率 范围达到50CM 以上

avr的ad转换程序例子，在ouravr上面还有很多好的入门例子程序-avr conversion examples in ouravr above there are many good examples of entry procedures

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-The use of the principle of circuit protel99 software editor, in the hope you will help the study and development of circuit

采用C51结合模数转换器实现多路数据采集系统-C51 combined with multi-channel ADC Data Acquisition System

单片机与液晶屏接口程序，C代码，简单且实用。-MCU and LCD screen interface program, C code, a simple and practical.

C8051F06X系列单片机的C语言编程实例，非常适合初次使用该单片机的人阅读，对掌握该单片机有很好的帮助作用。-C8051F06X MCU Series C language programming examples, very suitable for the initial use of the SCM readers to grasp the MCU are very helpful.

Electronics Design Checklist C) 2003 Hank Wallace This a checklist for electronics designers. The idea is for engineers and technicians to share experiences and create a detailed checklist, which the individual designer can pare down to meet his or her specific needs. There are many details that go into the making of a first-run design success, and this checklist helps prevent Murphy s gremlins from marring an otherwise healthy design.-Electronics Design Checklist C) 2003 Hank Wallace This is a checklist for electronics designers. The idea is for engineers and technicians to share experiences and create a detailed checklist, which the individual designer can pare down to meet his or her specific needs. There are many details that go into the making of a first-run design success, and this checklist helps prevent Murphy s gremlins from marring an otherwise healthy design.

AT98S52单片机头文件，可直接对IO口进行位操作，简单方便-AT98S52 Singlechip header files can be directly carried out the mouth of the IO-bit operation, simple and convenient

基于51系列单片机内部定时器写的一个时钟程序-51 Series single-chip based on an internal timer to write a clock procedures

PIC18F458的AD采集源程序，经过测试完全可用-PIC18F458 source collection of AD, has been tested fully available

一个很好的基于AT90S4434的PC机的键盘程序-AT90S4434 Based on a good PC, keyboard procedures