这是一个在单片机实现时钟的程序

又一个LCD1602的例程（主要是最近正在做相关的工作），已经调试通过。-Another LCD1602 routine (mainly related to the work being done recently), have been debugging through.

RTC8563时钟芯片的读写程序，大家共享。

利用52单片机通过8254定时器实现控制电机的PWM调速程序，可实现开始，停止，加速，减速。-8254 through the use of 52 single-chip motor control timer PWM speed control process, can realize the start, stop, acceleration, deceleration.

基于C51及SL811读写U盘的源程序，开发文档资料,芯片数据手册,测试命令及测试工具,电路原理图,请参C51_SL811_ModeDisk_manual-Based on the C51 and SL811 source disk to read and write U, the development of documentation, the chip data sheet, test orders and test tools, circuit schematic diagram, please refer to C51_SL811_ModeDisk_manual

pj working with a compiler

Fairchild公司的二极管，三极管原理图库(protel)-sch.lib about Fairchild s Semiconductor(TTL)

51开发板仿真平台提供的串口调试软件(sscom32.exe)和虚拟串口软件 (vspdxp.exe)，-51 development board to provide the serial simulation platform debugging software (sscom32.exe) and virtual serial port software (vspdxp.exe),

寻迹机器人设计开发环境为ICC,可以编译成汇编,直接下栽到嵌入式avr单片机进行控制-tracing robot design and development environment for the ICC, can compile a compendium, Embedded directly to the downward avr microprocessor control

freescale单片机串行通讯程序,数据包方式，支持数据发送正常检验,并可使用命令实现对片机FLASH的读、写和擦除功能。-Freescale MCU serial communications, data packets, sends the data to support normal testing and can be used to achieve an order-of-FLASH read, write and erase functions.

精度为20位的数模转换芯片CS5503数据手册，有需要的朋友可以下来-Low-Cost, 16 & 20-Bit Measurement A/D Converter