该程序为51单片机做的频率计,可计频率可达999 HZ.

掉电保护的一些基础-power off some of the basic protection

用两个89S52作的异步串行双工通信之发送程序-89S52 made with two duplex asynchronous serial communications sent procedures

用单片机C语言编的日历芯片PCF8563的实时时间显示C程序源代码，可供单片机开发人员参考。-MCU series of the C language PCF8563 calendar chip real-time hours of C source code available to developers SCM reference.

这是我在其它网上找到的，是基于ATMEG8单片机的小机器人，名字叫ASURO，很多地方有卖的，这个程序是可以自动寻找轨迹，对初学者是有帮助的。-This is what I found in other online, is based on a small microcontroller ATMEG8 robot named ASURO, are sold in many places, this program is automatically look for tracks, is helpful for beginners.

液晶1602的硬件设计通过单片机pic16f877和液晶相连.实现每按一次按键.加一的功能.带电路图-The hardware design of LCD 1602 and LCD connected through the microcontroller pic16f877 to achieve every time I press the button. Plus-one function. With a circuit

在现代电子系统中，有为数众多的IC需要进行相互之间以及与外界的通信。为了提供硬件 的效率和简化电路的设计，PHILIPS开发了一种用于内部IC控制的简单的双向两线串行总线I2C-In modern electronic systems, there are a large number of IC need each other and communicate with the outside world. In order to provide the efficiency and simplify the hardware circuit design, PHILIPS developed an IC for internal control, a simple bi-directional two-wire serial bus I2C.

small rtos for avr small rtos 使用了动态堆栈 想无需任何改动就可以编译这个程序，就必须安装winavr20050214和uv2,先点击uv2的工程文件打开这个工程然后在Tools---->Customize Tools Menu...嵌入gcc编译命令make all和make clean即可立即编译。编译后可以使用avr studio进行代码级仿真-small Byelorussian for avr small Byelorussian use of dynamic stack without any changes to be compiled for the process, it must be installed and uv2 winavr20050214, first click uv2 works documents before the project opened in Tools- gt; Customize Tools Menu ... embedded gcc compiler make all orders and instantly make clean compile. Compiled avr studio can be used for code-level simulation

1602LCM的单片机操作例程和使用手册。-1602LCM microcontroller operation and use of manual routines.

基于avr单片机的，spi接口的sd卡读写源程序-based avr MCU, 20 interface sd card reader source

C:CypressUSBExamplesFX2重要的实验程序cypress官方提供模版fx2-C: CypressUSBExamplesFX2 important experimental procedures cypress official template FX2