Qt/Embedded is a multi

NEC实现电机控制的芯片资料，包括步进电机和直流电机都可以控制，资料是中文的。-NEC to achieve motor control chip, including stepper motors and DC machines can be controlled, the information is in Chinese.

非接触智能卡读写程序-contactless smart card readers procedures

MATLAB编写的简易计算机~设置GUI界面-MATLAB summary prepared by the computer-settings GUI interface

用于测试STM系列最小系统是否正常工作的一个简单的样例。 用uvsion4编写，可以控制一个LED的闪烁，来指示MCU已经正常工作 可以方便扩展成其他应用

嵌入式web服务器开发 软件编写 tcp/ip协议 源码-Embedded web server development software development, tcp/ip protocol source

linux下的串口驱动，通讯程序，已经是成熟代码，可以直接使用！-The Serial Driver, communication procedures, it is already a mature code that can be used directly!

snmp,网络管理工具，mib，agent，menagement，linux，嵌入式编程，c/c++,php语言

飞恒地磅管理系统源代码，支持多种传感器，可编程。语言：Delphi 6/7 相关控件：FastReport 2.4以上, Ehlib 3.4以上

下面是一个超声波测距的程序，硬件电路由于电脑格盘已丢失，下面的代码是从样机上复制的。 硬件电路包括液晶显示、超声波的发射、超声波的接受、滤波、单片机处理。 液晶显示采用LCD1602模块，下面的代码里有液晶的驱动，可以拷贝用于它处。 超声波发射电路包括压电换能器及其支持电路，发射约44KHz的超声波。 超声波的接收电路包含一块CD40106处理芯片。技术指标大约是测距范围在三米左右，测量精度约在厘米级别。大量用于倒车雷达的测距中。-The following is a range of ultrasound procedures, the hardware circuit as a result of the computer grid plate has been lost, the following code is copied from the prototype. Hardware circuit including liquid crystal display, ultrasonic transmitter, ultrasonic acceptance filtering, single-chip processing. LCD1602 LCD module used, the following code, there are LCD drivers, you can use it to copy. Firing circuit including the piezoelectric ultrasonic transducer and its support circuitry, fired about 44KHz ultrasound. Ultrasonic receiver circuit includes a processing chip CD40106. Technical indicators for a range of about 3 meters range around the measurement precision level of about cm. Reversing a large number for the location of the radar.

这是一篇关于RS－485接口应用的文章- This is about the RS- 485 connections applications article