Editing RS232 RS485 USB Converter Board

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*rs232 to rs485 side
 
*rs232 to rs485 side
 
**Tested max. baudrate is 115200(i assume more high baudrate can be accepted, but i have not tested)
 
**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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===RS232===
 
===RS232===
 
*[http://www.realhamradio.com/tac32-interface.htm RS232 Circuit examples]
 
*[http://www.realhamradio.com/tac32-interface.htm RS232 Circuit examples]
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===USB===
 
===USB===
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*chips
 
*chips
 
**[http://chungyan5.no-ip.org/WebServerDocs/open_data/KnowledgeDb/ComputerSysDevelopment/apps/comm/converter/ds2232c_15.pdf ds2232c]
 
**[http://chungyan5.no-ip.org/WebServerDocs/open_data/KnowledgeDb/ComputerSysDevelopment/apps/comm/converter/ds2232c_15.pdf ds2232c]
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===RS485===
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*chips
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**Linear Technology Corp., LTC2859 and LTC2861
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**[http://chungyan5.no-ip.org/WebServerDocs/open_data/KnowledgeDb/ComputerSysDevelopment/apps/comm/converter/DS3695.pdf DS3695]
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===Circuit and PCB===
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*[http://chungyan5.no-ip.org/viewvc/converter/ gEDA Project Files]
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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]
  
 
==ToDo==
 
==ToDo==
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*linux driver
 
*linux driver
 
**driver in linux : http://ftdi-usb-sio.sourceforge.net/
 
**driver in linux : http://ftdi-usb-sio.sourceforge.net/
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**USB and [http://www.usconverters.com/index.php?main_page=index&cPath=65 RS232 to RS485 converter] designs for Linux and Windows 7 64-bit
 
 
**usb in linux guide : http://www.linux-usb.org/USB-guide/book1.html
 
**usb in linux guide : http://www.linux-usb.org/USB-guide/book1.html
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*get a USB to RS-232/RS-485 converter driver ,PCI/PCI-Express TO RS-232/RS-485/RS-422 Driver
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*re-design all PCB boards dimension following a mechanical box
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[[Category:Projects]]
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*merge RS232 board and RS232_dspic_prog board together
 
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**using 5 pins as TTL level connection, adding one more for RS485 ctrl, and pin layouts as "signal power signal power ..."
 
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*In the market, it has so many these kind of converter and very cheap price(<HK100) and they are including a small mechanical box(electronic does not complex, but mechanial box is complex), which is better than what we do by ourself.
 
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[[Category:Projects]][[category:Serial Communications]]
 

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