485proteus

说明：  解压密码754432568，光立方源代码内容详细，有相应原理图绘制(Decompression password 754432568, optical cube source code content is detailed, there are corresponding schematic drawings)

The LED clock consists of 60 LEDs which are placed circular around a common analog clock. The LEDs are used to display the seconds. Essential part of this circuit is the LED driver MAX7219 from Maxim. A datasheet is available on Maxim s homepage. The clock is controlled by the microcontroller AT89C2051 from Atmel. This microcontroller is clocked at a frequency of 12 MHz from which results a time base of 1 microsecond. Via software dividers one clock impulse per second is generated which is used for updating the LED display.

一线显示,把电源跟数据线结合起来,减少了通讯连线.控制程序是C51的.(Line shows that the power supply combined with the data lines to reduce the communication connection. Control procedures are in C51.)

基于PLC的控制楼层的电梯系统，是毕业论文哦，希望对你有帮助！单片机学习：http://www.emcuc.com(Floor elevator control system based on PLC, is the thesis Oh, you want to help! SCM learning: http://www.emcuc.com)

利用multisim编写的交通灯程序，里面包括PPT和老师的讲解，是北航电子信息工程教授的实验课答案，非常珍贵。(Use multisim write traffic lights program, which includes PPT and teachers to explain, is the electronic information engineering professor Northern experimental class answer, very precious.)

说明：  stm32通过计数器测频率，很好的资料，希望帮到大家。(Stm32 through the counter measurement frequency, good information, hope to help you.)

说明：  这是MP085传感器的资料，资料齐全，有需要的可以下载哦(This is the data of MP085 sensor. The data is complete. You can download it if you need it.)

AVRstudio和winavr的联用，多个文档，对于刚刚入门的单片机爱好者们非常有用。(AVRstudio and winavr hyphenated, multiple documents, for just getting started microcontroller enthusiasts very useful.)

STM32 CAN-BUS总线参考代码 适合学习研究(STM32 CAN-BUS bus reference code suitable for study)

kingview and 51MCU ASCII send and recieve 组态王与51单片机通信ASCII(kingview and 51MCU ASCII send and recieve)