Maker Pro
Maker Pro

detector project ...

darby

Mar 15, 2013
1
Joined
Mar 15, 2013
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1
Need any ideas on how I would make a zone alarm thats powered off a battery, have about a 3 to 4 foot zone and would be triggered by small battery powered signal transmitter when it enters the zone with a resulting alarm. It needs to be as small as possible. :) thanx.
 
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