Flipsyde412
New Member
I need help how to build a door alarm that is not to much expensive in parts,
can u give me a URL having those projects...thx a lot
can u give me a URL having those projects...thx a lot
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Papabravo said:Take a bucket and fill it full of water. Put it on top of a slightly ajar door. When the unsuspecting one walks through the door the loud expression of surprise will alert you. I guess you could build an amplifer to increase the volume of their screams.