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by phluxual
Fri Apr 26, 2013 5:20 am
Forum: Automation, sensing and robotics
Topic: Home Alarm System Retrofit - "Part Deux"
Replies: 26
Views: 27873

Re: Home Alarm System Retrofit - "Part Deux"

not sure how to connect the motion sensors yet. As installed, the sensors are powered at 13.8V and return 6.7V when motion detected. I have zero hardware background, so I'm not sure how to drop down to 3.3v. Zener diode / voltage divider / or some other combination? I'd really like to see what an i...

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