On Jul 26, 3:38*pm, "Donwill" popple @diddle .dot wrote:
"Donwill" popple @diddle .dot wrote in ...

Years ago there used to be *something called a patch board which by using
inserting *pins with diodes in them you could route a DC current to
different locations. snipped

For any others who may be looking for something similar I found *this.http://monopole.ph.qmw.ac.uk/~thomas...atchpanels.htm

It may be useful.

Cheers
Don

So useful you were worried we might miss it the first time?

MBQ