单片机控制步进驱动，S1为启动，S2为停止，S3为加一，S4为减一...

介绍了用RS-232串口进行开发的过程，对于刚涉及串口编程的开发人员有一定帮助-Introduction by RS-232 serial port to carry out development process, for serial programming just related to the development of staff has a certain extent, help

PIC18F4550_USB开发原代码，可以给需要用单片机开发USB通信使用参考-PIC18F4550_USB development of the original code, can require the development of USB communication using single-chip reference

飞思卡尔智能车闭环控制 18K-20K 变化-Freescale intelligent closed-loop control cars 18K-20K changes

有关AVR单片机的bootloader，外国人写的，很实用，内容详细-the AVR MCU Bootloader, foreigners write, and very practical, detailed

高性能立体声音频Codec芯片TLV320AIC23B的ARM控制源码

介绍基于液晶T6963C控制器的ARM程序实现-Introduction T6963C LCD Controller Based on ARM program

对数字语音系统的开发有帮助 包含常用资料，开发程序，及调试报告等-right digital voice system development are used to help contain information on the development of procedures and debugging report

51单片机使用1602液晶显示和PS/2键盘的示例。其中包括C51源程序（C语言写的），生成的hex文件，keil中生成的各种文件。 其中每句源程序都有详细的注释，很适合初学者。-51 MCU using the 1602 LCD and PS/2 keyboard example. Including the C51 source code (C language to write), the generated hex file, keil generated documents. In which each sentence has a detailed source notes, very suitable for beginners.

mp3设计原理图 设计思想 设计思路 设计步骤 明确清晰-mp3 schematic design design design design thinking clear steps

利用AT16的A/D转换功能,测量两点电位差-AT16 use the A/D conversion function, measurement of potential difference to two points