Homebrew PCBs

I think I missed something- what HPGL code are you
talking about?

I have a couple of those old HP plotters, both serial.
Thought that might be a good place to start for making
an engraver, use the electronics to drive beefier
drive transistors, steppers, and mechanics to move
something like a Dremel.

Steve

--- caveteursus <j.walton@...> wrote:
> If there is interest I will put up the HP G/L code
> on one of my web-
> pages. HP/Agilent provides a little support for
> these old, workhorse 
> products, but not much. I also have a "fix" for
> converting the Gerber 
> output produced by Ultiboard to something which will
> plot on an 
> HP7475 in minutes instead of hours.
> 
> The old serial plotters go for a few tens of dollars
> on EBay.


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