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All soldered up.

A project log for PIR alarm tapper

Get a signal from a PIR motion sensor to drive a siren, independent of the burglar alarm computer.

Niel MalanNiel Malan 12/20/2017 at 21:530 Comments

Here's the assembled board. 

First round of testing was not successful, because I had swapped the +12V and 0V lines. Silly. Might test tomorrow. 

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