[Cyborg] [Noisebridge-discuss] Wearable skin galvanic response indicator
jean.rintoul at gmail.com
Wed Jul 22 10:21:22 PDT 2009
This site has some cool GSR related products:
You could just make your own metal plates and hook them into the unit.
The GSR units from Mindgrowth output an audio signal which you could patch
through to something like this:
There are also instructions to make one from scratch:
On Tue, Jul 21, 2009 at 9:53 PM, Martin Bogomolni <martinbogo at gmail.com>wrote:
> It can absolutely be made smaller/slimmer using SMD parts and changing
> out the batteries for coin cells. The question really is "is it worth
> it?" Personally, I like the "ghetto" quality of the device... it's
> like a nixie watch in that respect.
> Although there is a micro nixie tube watch ( using russian nixie tubes
> that are just 6mm tall! ) that I would love to own.
> On Tue, Jul 21, 2009 at 7:59 PM, Sai Emrys<noisebridge at saizai.com> wrote:
> > I'm curious whether this: <http://www.produceconsumerobot.com/truth/>
> > could be made slimmer.
> > (One note 'cause it always annoys me, especially from someone who
> > should know better: GSR is not a 'lie detection' test, it's an
> > detection test. People get aroused for all sorts of reasons that don't
> > tell you in any way close to reliable whether they're lying. Cf. Paul
> > Ekman, "Telling Lies".)
> > I'd want it to be much simpler and low-key than that example -
> > preferably similar in form factor to the compass anklet I saw a couple
> > of you working on, and with sensors on the inside of the wristband
> > rather than requiring an additional finger sensor.
> > I don't know if that's possible though, as my knowledge of EE &
> > circuit design / component availability is minimal.
> > Some possibilities drawn from ignorance:
> > * swap AAA for wafer-type battery(s)
> > * smaller chip, or maybe even chipless (if e.g. one could make the
> > skin itself be a resistor like in normal dimmable lights?)
> > * flexible breadboard or other replacement for the big hard thing
> > * smaller LEDs - or something else that lights up from one end to the
> > other depending on power applied? (e.g. do any EL wires or similar
> > things do this?)
> > If it helps, I have a decent cheap fingertip pulse oximeter that could
> > be cannibalized. If this wristband could also show pulse & O2 while
> > still being slim, so much the awesomer.
> > So, to those of you who do: is it? How would I go about making this?
> > - Sai
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