Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

DJ Delorie wrote:

> "Leon" <leon355@...> writes:
>> You don't need a darkroom, standard positive resist isn't affected by
>> daylight or artificial lighting during the process provided that it is
>> developed soon after exposure.
>
> Are the chemicals rather tame these days too?

Dilute Na2CO3 (from pool shop), and dilute NaOH.

> I wouldn't mind tring
> out photoetch, but I'm not a big fan of having lots of chemicals in
> the house.

Then stop eating and cleaning;)