AT89C51单片机的超声波测距的原理图及汇编程序

介绍了公交车IC卡电路图，汇编原程序-introduced the bus IC card circuit, the compilation of the original procedure

励研CL2005通讯屏管理系统，单片机通信的底层程序。-Reed Institute CL2005 communication screen management system, SCM underlying communication process.

使用国产CH341A芯片实现USB转串口，完全兼容AVR JTAGICE，可以自动升级。 支持芯片: ATmega16(L), ATmega162(L), ATmega169(L or V), ATmega32(L), ATmega323(L), ATmega64(L), ATmega128(L). 原理图还附加了RS232接口，可以方便用户自主选择串口或USB下载程序。 还附加有可自动升级的HEX文件-The use of domestically produced CH341A chip USB to serial port, fully compatible with the AVR JTAGICE, can be automatically upgraded. Support chips: ATmega16 (L), ATmega162 (L), ATmega169 (L or V), ATmega32 (L), ATmega323 (L), ATmega64 (L), ATmega128 (L). Schematics also added a RS232 interface, can easily users to choose the serial or USB download. Additional there is also automatically upgrade the HEX file

c8051f120_ad采样程序 ，很好用的-c8051f120_ad sampling procedures, well used

在LPC2100系列上的用于UCOS上的FIQ的使用,ADS编译-In the LPC2100 series for the FIQ uCOS use, ADS compiler

Silicon Lab公司以太网控制器芯片CP2200/1中文数据手册,网上大多数是英文的,中文的很难找.所以非常难得!-Silicon Lab

SIMCOM公司生产的SIM300系列芯片的用户手册，对开发公网产品的朋友很有用-SIMCOM chips produced by SIM300 the user manual, public networks on the development of products useful to a friend

1602lcd液晶器显示的例子程序，适用mega16等单片机。-1602lcd LCD displays examples of procedures, such as the application of single-chip mega16.

台湾凌阳十六位单片机简单的A_D D_A的程序，对初学者有用。-Taiwan Sunplus 16 SCM A_D D_A simple procedure, useful for beginners.

freescale MCF5485EVB开发板上中断操作示例，利用一个timer产生中断，另外3个timer作为GPIO，使3g个LED每隔1秒钟轮换亮一次。-freescale MCF5485EVB interrupt the operational example of the development board, using a timer generate an interrupt, another three timer as a GPIO, so 3g a LED light at one-second rotation time.