步进电机的工作原理，实现正转及逆转的方法

硬件描述语言，对学习EDA的人，特别是初学者都有很大的参考价值。-hardware description language, to learn the EDA people, especially beginners have great reference value.

i2c驱动，可用于驱动具有i2c接口的存储芯片-i2c-driven, can be used to drive with a i2c interface memory chips

利用51单片机控制红外遥控的发射部分的程序，该程序在51单片机的基础上，采用一定的协议，进行编码、调制和发送等，具有很实用的价值。-51 SCM control the use of infrared remote control transmitter of the program, the program in MCS-51, based on the use of certain agreements, coding, modulation and delivery and so on, have a very practical value.

Dallas单片机ds89c420的详细说明和下载软件，使用串口ISP

用单片机实现在LED点阵上显示汉字，用C语言编写，用kile编译，再烧录在89S52上-MCU on the LED dot matrix display Chinese characters, using C language, compiler used kile, then burning on the 89S52

在分析自适应模糊控制及PID 参数变化对系统性能影响的基础上, 提出在动态过程中对 PID 参数进行整定。仿真研究表明, 控制质量得到了提高。 -The analysis of adaptive fuzzy control and PID parameter change on the impact of system performance based on the dynamic process of PID tuning parameters. Simulation studies show that quality control has been improved.

由MSP430 控制实现的 短消息收发功能的系统 可利用单片机的 串口与无线MODEM 进行连接在进行发送和解析数据 必须按照PDU的格式进行处理-MSP430 control achieved by the Short Message System transceiver functions of the MCU can be used with wireless modem serial port to connect to send and conducting analytical data must be in accordance with the format PDU processing

之前看过论坛上有一个C8051和S3530A的通信程序，但我认为很复杂而不具有通用性，我自己写的一个3530通过I2C总线与单片机的通信程序,虽然很短,但是很实用.-Read before the forum have a C8051 and S3530A communications procedures, but I think very complex and not universal, and I wrote it myself a 3530 through the I2C bus communication with the SCM process, although very short, but very practical .

12887的初始化程序――89C51，有助于各位使用12c887芯片！大大加快开发进度！-12,887 initialization procedures-- 89C51 help you use 12c887 chip! Progress greatly accelerated development!

通过日期算星期的C51源程序,用c写的小程序 希望对大家有用-through weeks of the date of counting source of C51, with a small c written procedures hope useful for all