Proximity sensor for dog door ?

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  1. - 21st July 2014, 19:14 #15
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    mark_s
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    Default Re: Proximity sensor for dog door ?

    Hi,
    Maybe this would work using one axis. I bought one but have not tried it yet.

    http://www.ebay.com/itm/HMC5883L-Tri...item4d1e7ea3b8

    Add:
    I just found this pdf. There is a reference to an example in basic
    http://www.parallax.com/sites/defaul...ation-v1.0.pdf

    http://www.parallax.com/search?searc...ompass&=Search
    Last edited by mark_s; - 21st July 2014 at 19:24.
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