Ingredients • Clothespin• 9V battery• 9V alarm buzzer• 9V socket plug• Two positive/red wires (i happened to not need the black/negative wire below the two red wires so dont worry about that one)• Electrical tape• Metallic tape• Duct tape (preferably for better stick - Scotch tape works but duct...By: jellis33
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from Instructables: exploring http://www.instructables.com/id/Trip-Wire-Alarm-Clothespin-Activated/
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