RS232 RS485 USB Converter Board

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Technical

RS232

• RS232 Circuit examples

USB

• Host Computer Setting for usb connection
  • Using Solution from FTDI Chips
  • Linux USB Driver and its usb api, a simulate uart api match to usb api FOR ftdichip
  • References
    • beyondlogic for ftdi
    • sourceforge usb driver for ftdi
• chips
  • ds2232c

RS485

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

Circuit and PCB

• gEDA Project Files

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

• get a usb chips to uart, which with linux driver
  • MCT P87C52UBAA(http://pfranc.com/usb/usb.mhtml)
  • cypress, PSoC with USB
• linux driver
  • driver in linux : http://ftdi-usb-sio.sourceforge.net/
  • usb in linux guide : http://www.linux-usb.org/USB-guide/book1.html