Homebrew PCBs

----- Original Message ----- 
From: "jusdebra" <pookie_debra@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Thursday, April 12, 2007 6:16 PM
Subject: Re: [Homebrew_PCBs] Re: Newbie questions


> Thanks Phil (and others),
>
>  I think I'm ready to mess up my first board.  My dad and I built a 
> plastic tray and he used a propeller with shaft to provide agitation.  I 
> don't know what it's made of, some kind of polyethylene or plastic and I 
> think the etching solution we use will be determined by what doesn't melt 
> the little propeller. LOL  He was going to do air, but was afraid the 
> bubbles would stick to the board in the wrong places.
>  I'll order some stuff in the next couple days and draw a small circuit to 
> sacrifice in the first try.  I;'ll let you know.

Hand agitation works fine - just rock the container. It helps to have it in 
a larger container with a couple of inches of hot water in it. Wear rubber 
gloves, of course.

Leon