Homebrew PCBs

"Boman33" <boman33@...> writes:
> Actually this can easily be taken up another notch:  A 4-Layer board.

I have already done that :-)

http://www.delorie.com/electronics/usb-gpio/

The yellow-green board about the middle is a home-made 4 layer board.

http://www.delorie.com/electronics/sdram/

The yellow-green board at the bottom is one of four layers for another
home-made 4 layer board.

I did just what you said, too - pre-drilled larger holes on the outer
layers so I could manually solder to the inner layers beneath them.