How can you tell which one is which. Or better still, if you have a box full of the damn things and no idea where to stick them, is there a site listing what to do with them?
E.G.
What does the adapter 12v (hyphen over 3 dots) 350mA f*ck the geekspik mean?
Bastard electronics is the blackest satanic art of the filthy demon electickeries.