AVR-Chat

On Dec 14, 2007 1:33 PM, Philippe Habib <phabib@well.com> wrote:
> Would a heavy duty starter solenoid from a diesel truck do the job for you?
> I had a project a few years ago where the truck part was less than 1/4 the
> cost of the commercial part.


I was wondering the same thing.

It would take four of them for a polarity reversing switch, and the
drive to them isn't insignificant either, but a smallish relay could
drive each pair, and I'd want some safety logic to prevent a
shoot-thru, which could be rather entertaining in this application.