用数码管显示测得的心率值。并控制发光二极管的亮灭。

用了不同于一般的方法做出来的矩阵键盘，效果还不错-Used methods different from the general matrix by the keyboard, the effect of good

AP89042是不可从复录音的分段式语音芯片,对语音电路的开发人员有一定的帮助.-AP89042 is not from the sub-Minute recording voice chip, the voice circuits developers will help.

SPMC75F2413A单片机在AC变频空调中的应用-Singlechip SPMC75F2413A in AC inverter air conditioner application

匠人手机之按键研究，非常不错。搞按键设计的同学可以看看从中学习下-Artisan of the key mobile phone research, very good. Button designed to engage students learn can have a look at the next

51单片机IIC驱动，包括IIC时序的驱动代码，用C语言编写。-51 Single-chip IIC driver, including the timing IIC driver code, using C language.

通过红外对管实现无线通信，下位机可以通过数据采集转换，通过红外向上位机发送并显示-Through infrared to control the realization of wireless communications, next-bit machine can be converted through the data acquisition through infrared upward-bit machine to send and display

单片机下CRC7校验码生成程序，主要用于生成MMC卡命令的CRC7校验码。-Microcontroller CRC7 correcting code generation process, mainly used to produce MMC card orders CRC7 correcting code.

avr 源代码 mega16 例程 大约30个 -avr source code mega16 routine about 30

U-LINK的详细制作资料和原代码，电路图等资料。-U-LINK detailed information and the production of the original code, circuit diagrams, and other information.

单片机拼音输入.rar-SCM phonetic input. Rar