Thank you very much! On Sun, Sep 11, 2011 at 8:22 PM, Michael Schippling <sc...@santafe.edu>wrote:
> What you probably want is a PIR sensor (Passive InfraRed) like those > used in motion sensitive porch light fixtures. Here's one example: > http://www.sparkfun.com/**products/8630<http://www.sparkfun.com/products/8630> > > Note that they detect low-freq IR (around 10nm) which is what mammal > bodies radiate, and they need a differential signal from motion so > if you stand still (or wear a heavy parka) they may not fire. > > MS > > Geo Gkolfin wrote: > >> Hello everybody! >> I am using tinyOS -2.1.0 and telosb motes. I need to detect human >> presence, so I wonder if there is something like an occupancy sensor. >> Thanks in advance! >> Best regards, Georgia >> >> >> ------------------------------**------------------------------** >> ------------ >> >> >> ______________________________**_________________ >> Tinyos-help mailing list >> Tinyos-help@millennium.**berkeley.edu<Tinyos-help@millennium.berkeley.edu> >> https://www.millennium.**berkeley.edu/cgi-bin/mailman/** >> listinfo/tinyos-help<https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help> >> >
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