Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Curtis Richards <cwrxr@e...>
wrote:

> From some quick one off experiments using Ben's system on 1 ounce

PCB I

> would say that it is fast enough to an 8 by 11 inch board in under

an

> hour for a lot less money than the Garden of EDM.
>

Curt,

I have Robert Langlois's book, but not Ben Fleming's. Can you tell me
if there is any similarity between Ben's Relaxation Oscillator and
that of Robert Langlois, or does Ben's have any active control?

Thanks

Roger