Homebrew PCBs

lcdpublishing wrote:
> Thanks everyone,
> 
> All great advice and information.  I think the next smart step for me is to do an exposure test 
> using transparency as opposed to vellum.  Also getting a measure cup of some sort so I can 
> mix the developer properly!
> 

Your best bet is to measure out 100 grams of sodium carbonate and make 
up a 500ml concentrate solution (i.e 200g/L). That way you don't need 
+-1g accuracy. Then to make your developer, just dilute it to 10g/L with 
common kitchen items for measuring liquid volume.