生日快乐音乐播放，汇编编写的扬声器，不是蜂鸣器

两线制的 温湿度 电流变送器 实验板，MSP1232-Two-wire current transmitter for temperature and humidity in the experimental plate, MSP1232

this a store management system-this is a store management system

这是NEC系列单片机教材及应用,解压密码是:www.pp51.com-This is the NEC MCU materials and applications, extract the password is: www.pp51.com

基于AVR单片机的USB驱动源程序.内有多个例子供参考,-Based on the AVR MCU USB driver source code. There are a number of examples for reference,

3LED闪烁 要用按键实现 89c51f020来实现的 -3LED realize 89c51f020 flashing button to use to achieve the

摘要 文中提出用DDS芯片AB9852实现QAM数字调制的新方法，扩展AB9852在数字调制方面的应用。 。 ． 关键词 QAM调制 单片机 DDS -Abstract In this paper, using DDS chip QAM digital modulation AB9852 realize the new method, the expansion of AB9852 in the digital modulation applications. . . Key words single-chip QAM modulator DDS

带闹钟功能，可以调整闹钟和时间。文件含有protel 做的原理图和PCB文件-With alarm function, you can adjust the alarm and time. Does the document contain Protel schematic and PCB documents

此为友善之臂micro2440板的底板原理图，更新时间是2009年2月28日。-This is a friendly arm on the Backplane board micro2440 schematic, update time is February 28, 2009.

关于单片机（51系列）通过GPRS模块和上位机进行通信-on SCM (51) GPRS modules and PC communication

Sunplus SCM voice broadcast, modify the playback documents, will be able to broadcast their own voice.