[sdiy] AC coupling on inputs/outputs.

[David G. Dixon]

> An ON-ON-ON DP toggle wired as a 3-way selector would allow perhaps DC,
> inverted DC and AC as possibly the most useful range of inputs for a
> single input socket.

Excellent idea!

Small Bear Electronics is carrying (at my request) Taiway ON-ON-ON switches
for $2.70 each, which is cheaper than you will find anywhere else,
guaranteed:

http://www.smallbearelec.com/Detail.bok?no=900