我上传的是单

利用89c51和8253可以测速，经初步测试可以通过-89c51 and 8253 can use guns, as a preliminary test can be

MCS-51单片机实用子程序库.htm-MCS-51 microcontroller practical subroutine library. Htm

中颖单片机sh6613的一个坐标扫描程序，其中有模拟串口通信等，值得一看！-SinoWealth Singlechip sh6613 coordinates of a scanning process, including simulation of serial communication and so on, worth a visit!

LPC17开发板例程《1-GPIO通用IO口例程》-LPC17 GPIO code

在单片机开发中比较常用的12864液晶屏源程序，c语言的，具有动态显示的。-e development of the more commonly used in single-chip LCD screen of the 12864 source code, c language, with a dynamic display.

MCS―51单片机系统扩展 简单的并行接口由数据寄存器和少量的控制电路组成，暂存传送的数据。以锁存器、缓冲器为主要芯片，稍加控制都可以作为简单的并行接口.-MCS-51 single-chip microcomputer system to expand a simple parallel interface from the data register and a small number of control circuit components, temporary storage of data transmission. To latches, buffers as the main chip, a little control can be used as a simple parallel interface.

通用MSP430-I2C的程序，这个程序是一个完整的程序，直接下载就可以使用-MSP430-I2C common procedures, this procedure is a complete program, you can use direct download

基本的称重功能，和发挥部分的显示购物清单的功能，可以设置日期和重新设定 10 种商品的单价，具有超重报警功能，由于系统资源丰富，还可以方便的扩展其应用 -Basic weighing functions, and play to display a list of some of the features, you can set the date and re-setting unit 10 kinds of commodities, with overweight alarm function, the system is rich in resources, but also facilitate the expansion of its application

这是对51单片机RAM的扩展的程序 内有电路图，非常详细的注释-This is the 51 SCM RAM expansion procedures within the circuit diagram, the very detailed Notes

智能电加热定时控制电路原程序,智能电加热定时控制电路原程序-smart electric heating timing control circuit original, a smart electric heating timing control circuit original program