[sdiy] Light Motion Sensors...?

[Happy Harry]

Marjan has the schematics on his site for the
r*land d-beam

H^)


>From: "o b i s : c y g m a" <obiscygma at mediaone.net>
>To: "Troy Sheets" <tsheets at saturn5.com>, <synth-diy at dropmix.xs4all.nl>
>Subject: Re: [sdiy] Light Motion Sensors...?
>Date: Thu, 6 Sep 2001 13:23:38 -0400
>
> > I think some grooveboxes have devices that let you control paramters by
> > moving your hand up and down over a LED.  Is this device available 
>anywhere
> > for DIY projects?
>
>I imagine it's just an IR LED and sensor system... the LED sends out the
>light, and the sensor measures the reflected light as it bounces off your
>hand.. the closer your hand it, the more light is reflected. This probably
>wouldn't be too hard to incorporate into a diy synth for a CV source or
>something.
>
>  obis
>


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