Difference between revisions of "RS232 RS485 USB Converter Board"

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(revert to 13:52, 24 June 2007 by 85.25.140.211)
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Hello!
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==Features==
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Excellent site, but most of messages here are not related to its contents...
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<!--<graphviz>
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digraph blks_conn {
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    mcu [shape=box, label="mcu"];
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    RS232 [shape=box, label="rs232"];
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    rs485_422 [shape=box, label="rs485/422"];
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    usb [shape=box, label="slave usb"];
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    comm [shape=box, label="common wires"];
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    mcu -> comm [dir = both];
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    comm -> RS232 [dir = both];
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    comm -> rs485_422 [dir = both];
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    comm -> usb [dir = both];
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}
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</graphviz>-->
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*for low traffic and low speed application
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*mcu, RS232, RS485/RS422, slave usb all can be interchangeable.
 +
*usb side
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**support platform in linux with usb driver
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**simulated uart programming in application level
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*rs232 to rs485 side
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**Tested max. baudrate is 115200(i assume more high baudrate can be accepted, but i have not tested)
  
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==Technical==
 
==Technical==
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Hello,
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===Circuit and PCB===
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I love this site.
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*[http://chungyan5.no-ip.org/viewvc/converter/ gEDA Project Files]
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Kisses, Lisa
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:OR [[Media:Converter.zip|Download here, not always updated]]
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:gEDA libraries can be download [http://www.opencircuits.com/PCB_Footprints here] or [http://chungyan5.no-ip.org/WebServerDocs/open_data/KnowledgeDb/ComputerSysDevelopment/apps/eda/gEDA/available_library/ more updated], then modify the gafrc inside converter/
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*We have components and PCB, Or some have already soldered, if needed email to us: [mailto:yan@amonics.com yan]
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==ToDo==
 
==ToDo==

Revision as of 18:23, 30 October 2007

Features

  • for low traffic and low speed application
  • mcu, RS232, RS485/RS422, slave usb all can be interchangeable.
  • usb side
    • support platform in linux with usb driver
    • simulated uart programming in application level
  • rs232 to rs485 side
    • Tested max. baudrate is 115200(i assume more high baudrate can be accepted, but i have not tested)


Technical

RS232


USB


RS485

  • chips
    • Linear Technology Corp., LTC2859 and LTC2861
    • DS3695


Circuit and PCB

OR Download here, not always updated
gEDA libraries can be download here or more updated, then modify the gafrc inside converter/
  • We have components and PCB, Or some have already soldered, if needed email to us: yan

ToDo

Retrieved from "http://www.opencircuits.com/index.php?title=RS232_RS485_USB_Converter_Board&oldid=10405"