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From: Joe Sommer <anvilus9-at-adelphia.net>
Subject: Re: Joe Sommer/Anvilus [TANKS]
Date: Wed, 05 Apr 2006 20:46:32 -0400
Reply-To: tanks-at-rctankcombat.com

At 12:28 PM 4/5/2006 -0400, you wrote:
>Do you etch your own PC boards for your Anvilus controllers, or do you buy 

I use ExpressPCB   http://www.expresspcb.com/   shareware and their
mini-board fabrication service for initial prototypes.

For larger quantities, I use TraxMaker to create Gerber files and
BareBonesPCB   https://www.barebonespcb.com/!BB1.asp   fabrication

You can also get 2 oz plating (instead of standard 1 oz plating) from
Advanced Circuits    http://www.4pcb.com/index.htm   which helps high
current applications.

My graduate students prefer EagleCAD   http://www.cadsoft.de/
shareware for creating Gerber files.

It is very difficult to make high quality double-sided boards with 
holes and 0.010 inch traces at home

>Reason is I am designing a 2 quadrent dual channel motor 
>controller(actually designing two of them)
>that I might make extra of and sell with the SU-100 project when I get it 

If you are serious about selling boards, I strongly recommend that
you learn to use ExpressPCB.  It is very intuitive.  We make all of
our mechanical engineering students who take ME 462 Microprocessor
Interfacing   www.mne.psu/edu/sommer/me462   learn to use ExpressPCB
so that they can understand the fundamentals of designing boards
for commercial products.

You will never again think about etching your own boards.


Joe Sommer, Anvilus Machine Works
2378 Nantucket Circle, State College, PA 16803
814.234.4773     anvilus9-at-adelphia.net