Andy,
I remember, long ago, having used some sort of multiple pin plug system
where the pins (gold plated) were delivered separately from the plug
body. The pins were then equipped with the wires, crimped and
lock-fitted into the plug body. The pins, that's the point, consisted of
a thin solid core with 3 or 4 tiny springy 'blades' surrounding it that
made absolutely perfect contact. They were surely less than 2 mm thick.
There was another kind (for higher currents), just tinned, but more than
2 mm thick. I just can't remember the brand name ...
Peter
Am 12.07.2022 um 11:40 schrieb andy pugh:
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.
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