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Zach Gerner (Hexohedron)
New member
Username: Hexohedron

Post Number: 1
Registered: 9-2007
Posted on Wednesday, September 12, 2007 - 7:19 am:   Edit PostDelete PostView Post/Check IPPrint Post   Move Post (Moderator/Admin Only)Ban Poster IP (Moderator/Admin only)

I was planning to build the computer controlled transmitter, but before I bought the parts I looked at my computer and it dosen't have an extra 9-pin plug! Could you make it a USB device? maybe something else?
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Simon Quellen Field (Sfield)
Senior Member
Username: Sfield

Post Number: 1795
Registered: 12-2004
Posted on Wednesday, September 12, 2007 - 12:02 pm:   Edit PostDelete PostView Post/Check IPPrint Post   Move Post (Moderator/Admin Only)Ban Poster IP (Moderator/Admin only)

USB to Serial converters are cheap and widely available.
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Marcus Shaw (Schorhr)
Advanced Member
Username: Schorhr

Post Number: 64
Registered: 9-2006
Posted on Wednesday, September 12, 2007 - 12:32 pm:   Edit PostDelete PostView Post/Check IPPrint Post   Move Post (Moderator/Admin Only)Ban Poster IP (Moderator/Admin only)

You would also have the choice to buy a usb-to-serial/paralel converter if you do not want to soldier your own usb-controller.
Also, there are a few projects for microcontrollers such as PIC and attiny / AVR, which you might want to look into.
It uses less then 10 parts I believe and therefore its rathe inexpensive (but prices for microcontrollers range from 50 cents to 8 dollars, even if its the same type, depending on the source!)

http://www.xs4all.nl/~dicks/avr/usbtiny/

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