Modbus_HoldStart)

RS485通信的源代码，可进行两个系统之间信号的传递，介绍其编程规则(RS485 communications source code, can be passed between the two signal systems, introduces its programming rules)

一个以太网帧解析程序，实现以下功能：解析已封装好的Ethernet V2.0帧封装文件（见附件），判断有多少个帧，每个帧的所有字段内容，检测CRC校验是否正确(An Ethernet frame analysis program, the following functions: parsing the encapsulated Ethernet V2.0 frame encapsulation (see annex), to determine the number of frames, each frame contents all fields to detect CRC checksum is correct)

能够快速读取电子海图，还有简单的显示功能(ENC )

AOK虚拟示波器的上位机源码，从串口获取下位机数据，然后绘制波形(AOK virtual oscilloscope host computer source, from the serial access to the next machine data, and then draw the waveform)

this .rar contain source code in basic for avr microcontroller for making drifter device to measure water velocity on the sea surface

底层调用了PCSC的通信库Winscard，可用于PC上读卡器与智能卡的通信(It calls the underlying communication library Winscard PC can be used on a PC to communicate with the smart card reader)

51单片机温度采集与显示设计 - 通过DS18B20温度传感器获取温度,并通过数码管显示,并实现了温度可手动校准(51 single-chip temperature acquisition and display design- through DS18B20 temperature sensor for temperature, and through the digital display, and achieve a temperature can be manually calibrated)

单片机入门的编程教材，PDF格式，简单易懂，适合初学者(SCM introductory programming textbooks, PDF format, easy to understand for beginners)

LCD显示,只要运行程序可以显示图案，日期和温度(lcddisplay，if you execute that it can display picture,date and tempreture.)

此程序例子是以C语言编写的一种实现烟花音乐效果的程序(The fire_work program example is written in C language to achieve a fireworks music program)