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Description: 详解介绍串口的书籍
详细介绍rs232 rs485
-Xiang Jie introduced the book details the serial port rs232 rs485
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Size: 267264 |
Author: jie |
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Description: 安防专用 三维键盘中文使用说明书
键盘用于控制高速球和云台，是监控系统中人机对话的主要设备，它可作为主控键盘，也可作为分控
键盘。主要特点：
1. 液晶显示。用液晶显示板作为人机操作的界面具有直观、方便、易懂、信息量大等优点。
2. 比例摇杆。使用比例摇杆操作高速球和云台，手感好，控制灵活，使用方便。
3. 键盘锁定功能可避免其他非授权用户操作键盘，安全性高。
4. 提供RS485 控制输出信号，同时提供标准的RS232 控制信号，方便近距离和远程设备的控制。-Security-specific three-dimensional keyboard manual keyboard Chinese high-speed ball and head for controlling, monitoring system is the main equipment for man-machine dialogue, it can be used as master keyboard can be used as sub-control keyboard. Main features: 1. LCD display. Liquid crystal display panel as intuitive man-machine interface, convenient, easy to understand, informative and so on. 2. Ratio rocker. The proportion of high-speed operation using the joystick, and head the ball, feel good, flexible control and easy to use. 3. Keypad lock function to prevent other non-authorized users can operate the keyboard, safe. 4. To provide RS485 control output signal, while providing a standard RS232 control signal to facilitate the close and remote equipment control.
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Size: 162816 |
Author: amwadwold |
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Description: 基于2812实现rs485和rs232的串口通信源程序，欢迎下载-Based on 2812 to achieve the serial communication rs485 and rs232 source code, please download
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Size: 70656 |
Author: phan02 |
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Description: uart通信串口调试工具，目前较为常用的串口有9针串口（DB9）和25针串口（DB25），通信距离较近时(<12m)，可以用电缆线直接连接标准RS232端口(RS422,RS485较远)，若距离较远，需附加调制解调器（MODEM）。最为简单且常用的是三线制接法，即地、接收数据和发送数据三脚相连，本文只涉及到最为基本的接法，且直接用RS232相连。
-uart communication serial debugging tools
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Size: 148480 |
Author: lww |
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Description: 这是我自已为实验室画的基于STM32的PCB，现在将原理图及PCB全部分享，图是用PROTEL 99SE绘制的。可能会有布线不合理之处，仅供大家参考。
实验板资源介绍
1）CPU为100脚STM32F103XX
2）TFTLCD
3）SD卡
4）4X4键盘模块及四个独立按键
5）ISP下载口及20脚JTAG下载口
6）RS232接口、RS485接口、PS/2接口、USB接口
7）I/O口驱动的蜂鸣器
8）I2C口驱动的AT24C02
9）三线SPI接口的DS1302
10）单路ADC
11）两路LED灯，方便实验板调试
-This is my own paintings for the laboratory-based STM32 of the PCB, schematic and PCB will now all share, map is drawn with PROTEL 99SE. Wiring may be unreasonable, only for your reference. Experimental board resource describes 1) CPU is 100 feet STM32F103XX 2) TFTLCD 3) SD cards 4) 4X4 keypad module and four separate buttons 5) ISP download port and 20-pin JTAG download port 6) RS232 Interface, RS485 Interface, PS/2 Interface, USB Interface 7) I/O port driver buzzer 8) I2C port driven AT24C02 9) three-wire SPI interface, the DS1302 10) single ADC 11) Two LED lights, to facilitate debugging test board
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Size: 869376 |
Author: 彬彬有礼 |
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Description: RFID_VB源码_RFID读写
提供了RFID的开发源码，用VB编的，串口通讯支持RS-232(RS232)，RS-485(RS485)，波特率可选,RFID的天线可选，读卡频率可调。提供了控制RFID读卡功率的方法，功率从0至29可调，距离最大10米以上，该源码可用于交通、物流、运输、仓库管理、比条码技术强大。用于毕业论文答辩中，可以演示，程序看懂后，就对RFID整个工作原理较为了解。支持ISO18000和EPC_GEN2等类型的RFID卡。
-RFID_VB source yard _ RFID read-write has provided development RFID source yard , used VB to weave, string communication supports RS-232 (RS232) , RS-485 (RS485) , Porter lead may elect, RFID air wire but selections, read card frequency adjustable. Method having provided the power controlling RFID reading a card, power is from 0 to 29 adjustable, from when above 10 maximal rice , is the source yard s turn to may be used for traffic , logistics , transportation , storehouse, than the bar code technology is big and powerful. Be used to be able to demonstrate in the oral thesis defense graduating.
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Size: 695296 |
Author: 红信 |
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Description: RFID_VC++6.0源码_RFID读写
提供了RFID的开发源码，用VC编的，展示RFID卡如何加密，如何自毁。串口通讯支持RS-232(RS232)，RS-485(RS485)，波特率可选,RFID的天线可选，读卡频率可调。提供了控制RFID读卡功率的方法，功率从0至29可调，距离最大10米以上，该源码可用于交通、物流、运输、仓库管理、比条码技术强大。用于毕业论文答辩中，可以演示，程序看懂后，就对RFID整个工作原理较为了解。支持ISO18000和EPC_GEN2等类型的RFID卡。
VC++6.0的工作空间是“t1121.dsw”-RFID_VC++ 6.0 sources yard _ RFID read-write has provided the RFID exploitation source yard , used VC to weave, show how encrypted the RFID card , how to destructs self. String communication supports RS-232 (RS232) , RS-485 (RS485) , Porter lead may elect, the RFID air wire may elect , read card frequency adjustable. Method having provided the power controlling RFID reading a card, power is from 0 to 29 adjustable,
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Size: 4629504 |
Author: 红信 |
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Description: 现在常用的电平标准有TTL、CMOS、LVTTL、LVCMOS、ECL、PECL、LVPECL、RS232、RS485等，还有一些速度比较高的LVDS、GTL、PGTL、CML、HSTL、SSTL等。
-Now commonly used level standards TTL, CMOS, LVTTL, LVCMOS, ECL, PECL, LVPECL, RS232, RS485, etc., there are relatively high speed LVDS, GTL, PGTL, CML, HSTL, SSTL, etc..
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Size: 6144 |
Author: qkw |
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Description: 用MSP430实现RS485的通信，跟RS232比较，可以对这两个电气协议进行比较深入的了解-RS485 communication with the MSP430 to achieve, compared with the RS232, you can compare the two electric-depth understanding of the agreement
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Size: 56320 |
Author: wang |
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Description: 通过RS232及RS485进行串口通信，内附接线图-Through RS232 serial communication.
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Size: 164864 |
Author: chen |
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Description: RS485串口通信试验(接受与发送) *
* *
* 1.通过本例程了解串口的基本原理及使用 ,理解并掌握对串口进行初始化 *
* *
* 2.请使用串口调试助手（Baud 4800、数据位8、停止位1、效验位无）做为上位机(发送)数据和(接受)数据，
* 请在字符串输入框中输入字符和数字(HEX),按发送按钮。观看接受窗显示情况.也可以用自动循环发送。
*
* 3.试验RS485需要用RS232转485的转换头。RS485的A对应串口头的9针 B对应4针.接法大家可以参考原理图。
* *
* 请学员认真消化本例程，学会用C语言操作串口和485的实现- RS485串口通信试验(接受与发送) * 1.通过本例程了解串口的基本原理及使用 ,理解并掌握对串口进行初始化* 2.请使用串口调试助手（Baud 4800、数据位8、停止位1、效验位无）做为上位机(发送)数据和(接受)数据， 请在字符串输入框中输入字符和数字(HEX),按发送按钮。观看接受窗显示情况.也可以用自动循环发送。
3.试验RS485需要用RS232转485的转换头。RS485的A对应串口头的9针 B对应4针.接法大家可以参考原理图。
* *
* 请学员认真消化本例程，学会用C语言操作串口和485的实现
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Size: 1024 |
Author: 何马 |
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Description: RS232 转TTL电平转rs485通讯接口原理图-铁匠设计-RS232 to TTL level communication interface switch rs485 schematic- Blacksmith Design
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Size: 34816 |
Author: 世事莫太贪 |
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Description: TI最新款单片机MSP430f5438，时钟频率可达25M，这是该单片机所有内部模块的源程序，包括时钟模块、IO模、定时器模块、看门狗模块、flash读写模块、SPI通讯、USB通讯、RS232通讯、RS485通讯、12位AD模块（四种模式）还有低功耗模式的源程序，注解清晰，便于理解。-TI' s latest single-chip MSP430f5438, the clock frequency of up to 25M, which is the source code module within the microcontroller, including the clock module, IO mode, the timer, watchdog modules, flash reader module, SPI communication, USB communication, RS232 communication, RS485 communication, 12 AD module (four models) as well as low-power mode of the source, comments clear, easy to understand.
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Size: 442368 |
Author: tom |
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Description: 一个串行口通讯的例子程序
为了满足PLC的串行口通讯，M238内置了标准串行口用于RS232/RS485串行连接或/和带5V电源的RS485串行连接
-Example of a serial port communication program to meet the PLC' s serial port communication, M238 built-in serial port for a standard RS232/RS485 serial connection and/or with 5V power supply RS485 serial connection
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Size: 17408 |
Author: 蓝精灵 |
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Description: PIC18F85J11 单片机通信程序,主要应用于RS232、RS485通信。-PIC18F Micro Control Unit communication program。User RS232、RS485 communication。
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Size: 29696 |
Author: 杜力 |
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Description: 基于AVR Mega8单片机的无线芯片CC1000通讯模块程序，实现多种无线频率通讯，串口软实现（无需串口芯片）RS232,Rs485,TTL串口通讯功能！-Based on AVR Mega8 chip CC1000 single-chip wireless communication module process to achieve a variety of radio frequency communications, serial software implementation (no serial chip) RS232, Rs485, TTL serial communication!
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Size: 381952 |
Author: |
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Description: 很好地解决了串口的问题~~RS232 RS485 TTL 很详细，希望对你们有用-Very good solution to the problem of the serial port of ~ ~ RS232 RS485 TTL very detailed, hope is helpful for you!!!!!!
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Size: 909312 |
Author: 李强 |
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Description: modbus rtu rs232 rs485
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Size: 4096 |
Author: pilun |
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Description: 自由串口通信编程，基于C++开发的。可以很好学习及使用。-Free serial communication programming, based on VC++ development. Well to learn and use.
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Size: 46080 |
Author: wxfyfz |
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Description: RS485串口通信程序，类似于【串口调试助手】，演示了如何设置RTS和清除RTS，同时，这些设置不影响RS232和RS422的使用-RS485 serial communication program, similar to [serial debugging aides], demonstrates how to set the RTS and clear the RTS at the same time, these settings do not affect the RS232 and RS422 use
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Size: 62464 |
Author: liujianfei |
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