[PD] motion detector (PIR...?)

Martin Peach martin.peach at sympatico.ca
Wed Apr 9 14:12:56 CEST 2008


You could try one of these, it's cheaper and already does what you want:
http://www.hvwtech.com/products_view.asp?ProductID=270
You can also get just the PIR detector (it looks like a transistor with 
a window on top) and wire it up with a couple of op-amps to have an 
analog sensor.

Martin

Jaime Oliver wrote:
> Hello all,
> 
> I was wondering if any of you had any experience hacking motion 
> detectors, the kind that is used in stores to make a sound when you 
> enter or in lights that turn on when you pass by... the key of course is 
> that it should have a digital (on/off spirit). 
> So far i have understood that they are called 'PIR motion switch'. I am 
> looking to not do so much work (building and testing a sensor), but to 
> get one i can hack & hook to a board and get 1's and 0's so any comment 
> is great and I'll probably need 10-12 so the cheapest the better (they 
> seem to be in a lot of lights so they should be cheap!!)
> 
> I am looking for something similar to this:
> 
> http://www.amazon.com/Ziotek-Sensor-Plug/dp/B000BSLTNI/ref=sr_1_19?ie=UTF8&s=hi&qid=1207729271&sr=1-19 
> <http://www.amazon.com/Ziotek-Sensor-Plug/dp/B000BSLTNI/ref=sr_1_19?ie=UTF8&s=hi&qid=1207729271&sr=1-19>
> 
> i suppose these should work too:
> 
> http://cgi.ebay.com/MOTION-DETECTOR-SENSOR-ALARM-CHIME-CUSTOMER-ALERT-NEW_W0QQitemZ300214248030QQcmdZViewItem
> 
> http://www.thewholesalediscountstore.com/Shop/Control/Product/fp/SFV/32461/vpid/3965547/vpcsid/0/rid/126381
> 
> hope you are all doing well,
> 
> best,
> 
> Jaime
> 
> 
> 
> -- 
> Jaime E Oliver LR
> 
> joliverl at ucsd.edu <mailto:joliverl at ucsd.edu>
> www.realidadvisual.org/jaimeoliver 
> <http://www.realidadvisual.org/jaimeoliver>
> www-crca.ucsd.edu/ <http://www-crca.ucsd.edu/>
> www.realidadvisual.org <http://www.realidadvisual.org>
> 
> 9168 Regents Rd. Apt. G
> La Jolla, CA 92037
> USA
> 
> 
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