These are pretty cool devices.  I might have to order a few samples.
----- Original Message -----
From: Gennette, Bruce <bruce.gennette@TAFE.NSW.EDU.AU>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Monday, October 29, 2001 4:21 PM
Subject: [EE]: Exciting touch & proximity technology


> While looking for a perimeter alarm I found this -
>
> Seal devices against all possible contamination
> Detect switch 'pressing' through 50mm of panel (32 switches per sensor
chip)
> Measure all sorts of fluid levels
> Detect approach to and crossing of boundaries
> Directly operate via logic output, or
> Communicate via uart (slow) or SPI (@ 5Mbit)
> etc, etc, etc starting at US$6.00 in single quantities (110 series)
>
> More elaborate models allow user programing of electrode charge time,
> electrode dwell, detector transfer and inter-reading gap times.  Re-set
and
> recalibration, etc can be performed under uP control or left to the chip
> itself to perform when it deems it necessary.
>
> http://www.qprox.com/background/applications.shtml
>
> Be sure to download the FAQ, White Paper and the Product Summary Guide.
>
>
> WOW !
>
> Bye.
>
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>

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