Homebrew PCBs

El 11/07/10 16:23, Leon Heller escribi\ufffd:
> With complex boards I pay for electrical testing, it saves a lot of
> trouble.
>    
All the places I use give free electrical testing for boards with 4 
layers or more. I guess the thought there is that for a prototype it's 
easy enough to fix a problem with a bit of wire or something similar, 
but for 4 layers or more it may be impossible to fix.