rs485

根据设计任务书的要求，本次设计为110kV 变电站电气一次部分初步设计，并绘 制电气主接线图及其他图纸。该变电站设有两台主变压器，站内主接线分为110kV、 35kV 和10kV 三个电压等级。各个电压等级分别采用单母线分段接线、单母线分段带 旁母接线和单母线分段接线(From the guide of engineering design assignment, we have to design primary power-system of 110kV substation and draw main electrical one-line diagram and others. There are two main transformer in the substation in which main electrical connection can be divided into three voltage grades: 110kV, 35kV with 10kV.It deposits sectionalized single bus bar scheme, sectionalized single and transfer bus bar and sectionalized single bus bar scheme per grade.)

在淘宝上购买的毕业论文，价值400的源程序，包含全部文件。一款基于单片机的灭火机器人模型的设计。系统以STC89C52RC单片机为控制核心，创新自制了火焰传感器用来测量火源，使用TCRT5000型光电对管检测循迹黑线，L298驱动电机前后转动，LCD1602液晶显示灭火的次数，通过控制继电器开关风扇灭火。(On Taobao buy thesis, the value of the 400 source code, including all documents. Fire fighting robot model based on a single-chip design. System microcontroller STC89C52RC to control core, innovation homemade flame sensor is used to measure the fire source, tracking black line on the tube use TCRT5000 photoelectric detection, L298 drive motor rotating back and forth, the LCD1602 LCD number of fire-fighting, fire control relay switch fan .)

这是一个液晶的测试程序,是一款用ST7920做芯片的12864液晶的程序,绝对可用,方便而且可移植调用,还附有说明书(This is a test procedures for liquid crystal, is a ST7920 to do with the 12864 chip LCD procedures, absolutely available, convenient and portable call, accompanied by brochures)

这是一个关于单片机开发的实例，讲述的是单片机上18B20的使用，通过用C语言进行一定的编程，以实现温度传感器的应用。(This is a single chip microcomputer development as an example, tells the microcontroller on the use of 18 b20, through certain programming in C language, in order to realize the application of temperature sensor. )

说明：  一个PS2键盘单片机, 使用Philips的接口+8051,写的不错,非常值得学习.(a PS2 keyboard microcontroller, the use of the interface, Philips 8051, was a good, very worth learning.)

说明：  vb与plc通讯帮助解决vb与plc通讯之间的问题(vb and Communications plc)

Tic Tac Toe Game Or X O Game is a traditional game requires you to assemble 3 X s or O s in vertical , horizontal way

智能追踪小车，并且可以用遥控手动控制转弯加前后左右(Intelligent tracking car, and can be controlled manually with the remote turn around Canada)

简单的lcd1602显示代码，说明通俗易懂(Simple lcd1602 display code)

数码管静态显示源代码，可以直接调入工程使用(Static digital tube display the source code can be directly transferred to the engineering use)