优龙2410板子的BIOS代码，程序清晰明朗，容易移植到类似的开发板上，十分值得推荐。...

用8253-8255编写的定时响铃程序 可以定时两个时间点，很经典的程序-spent 8253-8255 prepared by the regular beep procedures regular two points in time, classic procedures

用单片机产生Pwm来控制电机的硬件和软件设计，附录为源代码！-MCU Pwm to produce motor control hardware and software design, appendix to the source code!

* 功能：LPC2100的IAP功能测试。 * 说明：调用IAP服务程序，完成FLASH编程操作。 * 将paramout添加到Watch窗口，观察返回值。-* Function: LPC2100 the IAP function test.* Description: Call IAP service program, complete the FLASH programming operation.* Will paramout added to the Watch window to observe the return value.

电话机的工作原理,有振铃电路,电话极性保护电路,还有双音多频发送接收电路-Telephone the working principle, has ringing circuit, Phone polarity protection circuit, as well as send DTMF receiver circuit

程序包括的内容是单片机与电脑通过串口通讯的程序，读者可以很容易将此代码移植到自己的系统上。-Procedures, including the content is single-chip serial communication with the computer through the process, readers can easily transfer this code to your system.

ch451的使用，遇到问题可以参考 做spi驱动-ch451 use problems can refer to make spi driver

51单片机直接驱动液晶显示，里面有两个程序！-51 Single-chip Direct Drive Liquid Crystal Display, which has two procedures!

51单片机上的贪吃蛇游戏，按键采用4个独立按键，可以设置速度。-51 Single-chip on the Snake game, using four independent key button, you can set the speed.

运行于c51单片机上的用keil c创建的C源程序,采用PDIUSBD12接口。-run on the microcontroller with Keil c create C source code using PDIUSBD12 interface.

单片机教程，详细讲解了有关单片机的原理，结构，操作方法。-Single-chip tutorial, detailed account of the principle of the single-chip, structure, methods of operation.