[sdiy] Substitute for pin matrixes?

[Tim Daugard]

>

Way to expencive and complex, im talking about *dead cheap*
that rules out most things based on electronics and even
relay mechanical!

And it has to be quite small to!
>
Punch cards slid between a proto board with strips and a proto board with 
strips with pins, wires, or flat pieces of copper hanging down?

The proto borad could be cut in half to supply both pieces.

Tim Daugard
AG4GZ 30.4078N 86.6227W Alt: 12 feet above MSL
http://members.cox.net/synthfred/h_toctop.htm (Fred's online edition)