Homebrew PCBs

"AD5VJ  Bob" <rtnmi@...> writes:

> I cant find any etchant except for a 'Printed Circuit Board Etching
> Kit by Radio Shack cat no. 276-1576' on ebay so will have to go to
> another source for etchant I guess.

If your local hardware store has hydochloric acid (aka muriatic acid,
aka concrete pre-primer, aka pool pH adjuster) you can use that plus
home-strength hydrogen peroxide to make etchant.