Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, "Phil" <phil1960us@y...> wrote:
> 

http://www.geocities.com/CapeCanaveral/Lab/9643/TraceWidth.htm
 

> --- In Homebrew_PCBs@yahoogroups.com, Anthony Toft <toftat@c...> 
> wrote:
> > is there a formula for how wide tracks should be? I need to make 
> > tracks capable of carrying 7+A at 12v How fat should they be?
> > -- 
> > Anthony Toft <toftat@c...>

Yup,

that's the calculator I use too.

Don't forget that you can tin the trace and make it thicker or lay a 
copper wire on it and tin that and make a fat trace.  Also, some 
people use both the top and bottom of the board for beefing up power 
traces.

I did a stepper motor driver and used a second board, kinda like a 
home-brew 4 sided board and ran huge pins to connect the two boards.  

Dave