功能强大的串口程序，用avr系列的mega16单片机实现

单片机系统用c语言编写关于简易抢答器的设计- SCM systems c language Responder on the simple design. . . . .

How to tune IAR Embedded Workbench for best performance

max7219显示程序，用C语言编写，可用keil运行-max7219 display program

蜂鸣器响 改变蜂鸣器的频率，通过改变延时时间 蜂鸣器的时间要是是靠延时来完成的-Buzzer buzzer ring to change the frequency by changing the delay time if the buzzer is the time to be completed by the time delay

AT89c2051控制9200b发双音频码用8870解码并将BCD码返回AT89C2051,然后比较的源代码和Hex文件。-AT89c2051 Two-control 9200b audio decoder yards with 8,870 and will return to BCD AT89C2051, then compare the source code and Hex documents.

单片机C8051F040与MAX5322（D/A芯片）的应用程序-C8051F040，MAX5322

步进电机的单片机控制，可以在Proteus下进行仿真-Stepper motor microcontroller control, can be carried out under the Proteus simulation

单片机多机通信（从机程序）用LCD显示传输的数据0-Single-chip multi-machine communication (from the machine process) LCD display with data transmission 0- 99

ICDLL1. AT24C01A/02/04/08/16/64卡 该系列IC卡均为非加密存储卡，容量分别为1K，2K，4K，8K，16K，64K bit，只有读、写两种操作。-ICDLL 1. AT24C01A/02/04/08/16/64卡 该系列IC卡均为非加密存储卡，容量分别为1K，2K，4K，8K，16K，64K bit，只有读、写两种操作。

本程序是4×4键盘的mega16采样子程序，本程序参考了它人的设计，现在已经在我的项目中使用，其最大的特点就是硬件简单，调试方便，大家不用动脑筋就搞定它了。-This procedure is a 4 × 4 keyboard mega16 sampling subroutine, the procedure with reference to the design of its people, is now in my project to use, its greatest feature is the hardware is simple, easy debugging, you do not use their brains to get it .