[sdiy] Substitute for pin matrixes?

[David G. Dixon]

> Push button switches -> microprocessor -> latches -> relays or high
> voltage analog switches. If you did this right, you could even get
> away with a single row and a single column of switches. An 8 x 8
> matrix could be set up with 16 swtiches instead of 64. To make a
> connection, you press the row switch and column switch that correspond
> to the connection you want (sort of like playing "Battleship"), and
> then an LED lights to show you the connection. Maybe some food for
> thought for you microprocessor jockies.

I think one could even do this fairly easily with logic chips...?