蜂鸣器911报警(汇编),单片机的定时器根据声音的频率来设计

ds1302应用实例 烧进单片机即可应用 不看后悔-ds1302 Applications can be burned into the microcontroller application Bukanhouhui

7279的C代码.可在KEIL的环境任意移植.-7279 C code. In KEIL environment arbitrary transplant.

s系列的51单片机的看门狗的c语言include库 可以用它轻松使用看门狗，内函驱动函数FeedDog（）-s series of 51 single-chip watchdog of the c language include the Treasury can use it easy to use watchdog, within the letter of drive function FeedDog ()

8051 编写的源程序-8051 prepared by the source

本程序提供了ADuC812单片机的ad/da测试程序。-the procedures provided ADuC812 SCM ad/da testing procedures.

ADI低成本心电监护模块（ECG module）设计-ADI low-cost ECG monitoring module (ECG module) design

详细介绍RS-485/422原理与区别、元件选择、参考电路、通讯规约、程序设计等方面的应用要点，以及在产品实践中总结出的一些经验、窍门-Detail the difference between theory and RS-485/422, component selection, reference circuits, communications statute, procedures for the application of design elements, as well as practice in the products sum up the experience, know-how

4×4矩阵键盘，当我们按那个键时吧键值显示在数码管上，并把建值发送到PC机；-4 × 4 matrix keyboard, when we press that button when you key in the digital tube display, and to build value is sent to the PC machine

ATmega16数码管实验基数显示，数码管选通输出在前避免了字码在前产生的乱码，Proteus图-ATmega16 base of digital tube experiments showed that the digital control of strobe output of the former to avoid the code generated by the previous garbled, Proteus map