[sdiy] Chroma Polaris Membrane Switches

[mikael at mikmo.dk]

Citat Glen <mclilith at charter.net>:

> Those of you familiar with the Chroma Polaris will remember that it has
> those troublesome membrane switches which fail too easily and are very
> impractical to repair. Has anyone on this list ever tried converting those
> membrane switches to something like surface-mounted tactile push buttons?
> I'm considering doing something like this, and I wondered if someone else
> had already done it.
>
> I could possibly purchase a new set of membrane panels, but the last time I
> checked, I think they were about $700 per pair. I'm NOT going to pay $700
> for an array of plastic SPST membrane switches, no matter now nice and
> stock they would make the keyboard look. Surface-mounted tactile switches
> only cost about $20 per hundred. Doing a PCB that only held the surface
> mounted switches shouldn't be too hard, and shouldn't cost too much. I
> *might* even be able to place the tactile switches underneath the current
> membrane (at least, underneath the top layer of the current membrane switch
> panel), to keep the keyboard looking stock, or nearly so. That would save
> me from having to create a custom-printed top panel.
>
> I'd gladly go for a customized look, if I can upgrade to "real" switches,
> connected with "real wires", and do away with these plastic membranes for
> good.
>
> So, does anyone have any tips on making your own tactile switch panel?
>
>
> thanks,
> Glen

Hi Glen

Check out this link to Mike Walters site, he did something to a Moog Source,
like you want to do, just with very ordinary momentary push buttons. It's very
well documented.

http://www.mysterycircuits.com/source/intro.html

Mikael