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motion sensor for prop activation

2847 Views 10 Replies 6 Participants Last post by  Otaku
i would like to use a motion sensor to activate my rising skull tombstone. Anyone have any personal experiance or any good how to's to do this ???
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That's how I always used the typical hardware store PIRs.
roadkill said:
I have always had a question with it comes to this.

I have seen folks mention the need for a 120V relay when using a PIR to trigger a prop (assuming it's using 120V to begin with).
Actually, re-reading your question made me realize the answer. IF you are trying to run a higher current item off of the PIR, a relay MAY be necessary if the item you're running off the PIR draws more current than the PIR is able to provide.
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