[sdiy] touch-sensitive switches - how?

[Quincas Moreira]

Here's the simplest version, also my most popular video :)
Just two terminals, your finger's conductivity closes the circuit. More
pressure = skin area = less resistance.

https://youtu.be/DT6nZsixP0M

On Sun, May 2, 2021 at 11:49 AM MTG <grant at musictechnologiesgroup.com>
wrote:

> Interesting stuff Does this work OK for repairing key contacts? I have a
> DX21 with some dead keys and AFAIK the keybed consists of long rubber
> contact strips. I was thinking of trying a TV Remote Control Repair Kit.
>
> On 5/2/2021 1:25 AM, Scott Young via Synth-diy wrote:
> > Hi Neil,
> >
> > A fun option is this stuff:
> >
> > https://www.bareconductive.com/ <https://www.bareconductive.com/>
> >
> > You can use it to replace the copper, and because it’s ink you can do
> > shapes for certain functions.  You can do all sorts of stuff like screen
> > printing too with it if you want to get fancy.
> >
> > Cheers,
> > Scott.
> >
> >> On 2 May 2021, at 00:38, Neil Harper via Synth-diy
> >> <synth-diy at synth-diy.org> wrote:.
> >>
> >> next i'd like to figure out what materials i might be able to cover the
> >> bare copper with and still have the touch signal show up good. it'd be
> >> great to not see bare copper but have some printed legend or color
> coding.
> >>
> >> --
> >> /// Neil Harper
> >> /// Every Wave is New Until it Breaks
> >>
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-- 
[image: QMA]

Quincas Moreira
Director | QMA
mobile:  5534988825
site:  quincasmoreira.com
email:  quincas at gmail.com
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