Search - rs485 rs232

[SCM] AVR

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.
Platform: | Size: 443392 | Author: 陈晨 | Hits:

[Other Embeded program] stm32V1_2

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
Platform: | Size: 869376 | Author: 彬彬有礼 | Hits:

[Com Port] RFID_UHF_VB

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.
Platform: | Size: 695296 | Author: 红信 | Hits:

[Com Port] RFID_UHF_VC

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,
Platform: | Size: 4629504 | Author: 红信 | Hits:

[SCM] UART_INT

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.
Platform: | Size: 312320 | Author: 杜劼 | Hits:

[SCM] RS232-RS485-RS490

Description: 硬件485、232、490转换图。cadence格式，可直接使用。纯硬件设计。经过大批量使用，稳定可靠。-RS232-RS485-RS490
Platform: | Size: 935936 | Author: 王德 | Hits:

[SCM] RS485

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
Platform: | Size: 56320 | Author: wang | Hits:

[SCM] RS232

Description: 通过RS232及RS485进行串口通信，内附接线图-Through RS232 serial communication.
Platform: | Size: 164864 | Author: chen | Hits:

[Com Port] rs485

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
Platform: | Size: 1024 | Author: 何马 | Hits:

[SCM] hrt

Description: RS232转RS485电路原理图，值得一看-RS485 RS232 switch circuit diagram, worth a visit
Platform: | Size: 20480 | Author: xiaoji | Hits:

[SCM] RS232-RS485-Converter

Description: Rs232-rs485 converter
Platform: | Size: 242688 | Author: karlson | Hits:

[Communication] SerialPortAPI

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
Platform: | Size: 12288 | Author: yangxianfeng | Hits:

[SCM] RS232-TTL-RS485

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
Platform: | Size: 34816 | Author: 世事莫太贪 | Hits:

[SCM] msp430f5438

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.
Platform: | Size: 442368 | Author: tom | Hits:

[Other Embeded program] LDLP

Description: 主要面对以SPI SCI I2C RS232 RS485 为物理层的低速接口提供一个数据链路层。可以在MCU和PC之间传递数据，也可以在MCU之间传递数据，该数据链路层带CRC校验，带自动出错重传，带确认帧，带超时报警，总之是一个非常好用的数据链路层协议-The main face of SPI SCI I2C RS232 RS485 interfaces for the physical layer to provide a low-speed data link layer. You can pass data between the MCU and PC, you can pass data between the MCU, the data link layer with the CRC, with automatic error retransmission, with confirmation frame, with out warning, in short, is a very easy to use The data link layer protocol
Platform: | Size: 4096 | Author: wszfwy8dc | Hits:

[Other Embeded program] PIC18_USART1_Demo

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。
Platform: | Size: 29696 | Author: 杜力 | Hits:

[Com Port] TestRS485

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
Platform: | Size: 62464 | Author: liujianfei | Hits:

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