Could you turn some brass ‘hollow top-hats’ with an ID sized for the bana plug, one soldered on each side of the through hole but not meeting in the middle. When the banana plug goes in it contacts both.
> On 12 Jul 2022, at 10:41, andy pugh <[email protected]> wrote: > > Not CNC related, but I thought that someone here might know the answer. > > I want to make a rewirable adaptor (OBDII to DB15) > > One neat way to do this would be with a matrix, where you plug something > into holes and that connects the row to the column. > > As a CNC link (almost) I think that something like this was used on the MEC > Microsprint programmable lathes where things often called "diodes" were > plugged into holes to program the machine. > > I feel that a couple of PCBs. spaced a small distance apart, could have > plated-through holes linked by "something" being plugged through them. The > problem being to find the "something" that will make contact with two holes > at the same time. > > A single PCB and an array of jumpers would work, but that would be 480 pins > to keep track of > > The plated-hole idea has 240 holes, but only needs 8 plugs to do the > programming I need. > > 2mm banana plugs do exist. > https://uk.rs-online.com/web/p/banana-connectors/7632907 > > But I am not sure if they will reliably connect two plated holes. > > -- > atp > "A motorcycle is a bicycle with a pandemonium attachment and is designed > for the especial use of mechanical geniuses, daredevils and lunatics." > — George Fitch, Atlanta Constitution Newspaper, 1912 > > _______________________________________________ > Emc-users mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-users _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
