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Description: 防水键盘程序，intel89C52单片机，使用串口RS232-RS485总线，7279键盘、显示集成电路-waterproof keyboard procedures intel89C52 microcontroller, use Serial RS232 - RS485, 7279 keyboard, display IC
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Size: 2587 |
Author: 杨安会 |
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Description: 这是一个电路图，作用是rs232-rs485转接口电路，很适用-This is a circuit diagram, the role of the RS232 - RS485 interface circuit switch, it applies
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Size: 160384 |
Author: 张成刚 |
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Description: 此代码是用c开发的支持linux下的串口RS232,Rs485,Rs422modbus规约采集，然后通过网络UDP/IP发送采集的数据-this code is c linux support to the development of the RS232 serial port, Rs485, Rs422modbus Acquisition Statute, and then through the network UDP / IP to send data acquisition
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Size: 136991 |
Author: YangJie |
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Description: at24c02,ds1302,m50462,rs232,rs485,vb5.x25045的七个实用小程序-at24c02, ds1302, m50462, rs232, rs485. vb5.x25045 of seven small practical procedures
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Size: 153665 |
Author: 吕常智 |
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Description: AVR 通用 Bootloader 使用说明
*支持多种型号的AVR单片机
*支持多串口的AVR单片机
*支持RS232/RS485/RS422模式
*支持多种通信波特率和时钟频率
*自动计算波特率误差，如果波特率误差>2％，将给出错误提示
*完全C语言编写，容易修改
*为移植做了很多优化，将移植的工作量减少到了最低
*代码高度优化，占用空间小
*方便的功能裁剪，适应不同的要求
*支持看门狗
*支持使用LED指示升级状态
*支持超级终端下载-AVR Bootloader common use * to support multiple models of the AVR * support Multiport Serial the AVR support RS232/RS485/RS422 mode * * support multiple communication wave Special rates and clock frequency Baud Rate * Automatic calculation error, if error Baud Rate
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Size: 395122 |
Author: 阿德 |
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Description: 程序运行环境：
下位机：dsPIC30F6014A
上位机：串口调试助手
RS485芯片：MAX489
通信方式：PC机 --- RS232转RS485 --- RS485接口 --- dsPIC30F6014A
通信内容：PC机发送一串字符（约定以“回车”结束）给下位机，下位机接收后不做任何处理返回给PC。-Environment for running programs: The next bit machine: dsPIC30F6014A Host Computer: Serial RS485 chip debugging aids: MAX489 means of communication: PC,--- RS232 switch to RS485--- RS485 interface--- dsPIC30F6014A the content of communications: PC, send a string of characters (have agreed to " Enter" end) to the next crew, the next crew, after receiving no treatment returned to the PC.
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Size: 1024 |
Author: 轩零 |
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Description: Designing Embedded Hardware(pic,avr,68h,msp430..) about IrDA,USB,Network,RS232,RS485
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Size: 4526080 |
Author: huynh lam |
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Description: RS485转RS232电路原理图及PCB图-RS232 RS485 switch PCB circuit diagram and map
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Size: 558080 |
Author: wty |
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Description: 本书详细介绍了单片机实用接口子程序，并给出了c语言程序。接口类型有RS232、RS485、CAN总线、I2C总线、SPI总线、键盘接口等-This book details the practical interface subroutine SCM, and gives the c language program. Interface types are RS232, RS485, CAN bus, I2C bus, SPI bus, keyboard interface
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Size: 27260928 |
Author: huanghf |
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Description: 总所周之，利用串口进行数据通讯在在通讯通讯领域重占有着重要的地位。利用RS232-RS485进行数据信号的采集和传递是VC编程的又一大热点。串口通讯在通讯软件重有着十分广泛的应用。如电话、传真、视频和各种控制等。在各种开发工具中间，VC由于功能强大和灵活，同时也得到了Microsoft的最大支持，所以在一般进行涉及硬件操作的通讯编程重，大都推荐使用VC作为开发工具。然而工业控制串口通讯这个又不同于一般的串口通讯程序，因为控制外围设备传送的大都是十六进制数据（BYTE类型），所以，为了提高程序的运行稳定性，我们在编写程序进行通讯时可以不考虑传送BYTE类型数据的工作。-Abstract：Described serial communication protocol of OM RON Series PLC in details and achieves communication between
PLC and PC by VC++6．0 development system in windows environment．
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Size: 141312 |
Author: 王建 |
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Description: 自制AVR开发板详细资料，其中包括详细的代码和PCB制作。包括12846LCD，18B20,DS1302,PS/2，62256，RS232,RS485等-Home AVR development board detailed information, including details of the code and PCB production. Including 12846LCD, 18B20, DS1302, PS/2,62256, RS232, RS485, etc.
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Size: 443392 |
Author: 陈晨 |
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Description: The Document Gives the basic idea about RS485 communication with the PC. It shows basic hardware arrangement of Rs-232 to 485 converter
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Size: 586752 |
Author: Chetan Shah |
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Description: 其它TinyM0开发板上的,RS232中断方式的数据收发程序例子，CPU为LPC1114.-Other TinyM0 development board, RS232 interrupt program example of the data transceiver, CPU is LPC1114.
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Size: 312320 |
Author: 杜劼 |
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Description: TI DSP2812 RS485 例程,已经过测试验证!-TI DSP2812 RS485 routines have been tested for validation!
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Size: 290816 |
Author: nel2010 |
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Description: VB用RS232/RS485协议通讯，通过COM口与现场仪表(包括Modbus)通讯
实例使用API串口读写模块实现-VB with RS232/RS485 communication protocol, through the COM and field instruments (including Modbus) communications
Examples using API serial literacy module implements
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Size: 12288 |
Author: yangxianfeng |
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Description: 母板通过FR232R芯片及其外围电路实现USB接口转UART（TTL电平）接口，并提供自定义的双列插针扩展接口；功能子板则分为RS232接口和TTL接口两种，并可根据需要设计RS485/RS422/CAN总线接口。-Motherboard chip by FR232R USB interface and its peripheral circuit switch UART (TTL level) interface, and provide a custom double-row pin expansion interface function is divided into sub-board RS232 interface and TTL interface to two, and according to need to design RS485/RS422/CAN bus interface.
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Size: 1667072 |
Author: 伍俊 |
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Description: RS232转RS485应用，含原理图PCB图-RS232 to RS485 applications, including PCB schematic diagram
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Size: 237568 |
Author: Gavin Du |
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Description: 485通信通过RS232/RS485转换电路将PC机串口RS232信号转换成RS485信号-Communication via RS232/RS485 converter circuit 485 converts the PC serial RS232 signals into RS485 signals
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Size: 38912 |
Author: 臧一 |
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Description: 一些基于STM32上的例程，此例程是RS232上的通讯实验-Some based on STM32 routines, this routine is a RS232 communication experiment 1
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Size: 7521280 |
Author: 志鹏 |
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Description: communication rs232 in vhdl with clock divider, counter, buffer, rs232tx, rs232rx.
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Size: 14336 |
Author: le noach
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