How to Make a Simple Door Alarm - DIY TuTorial

How to Make a Simple Door Alarm - DIY TuTorial
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How to Make a Simple Door Alarm- Clothespin Trip Wire Alarm. Super simple trip wire alarm made from clothespin,2xAA batteries,led diode,buzzer and 2 screws Cómo hacer una simple alarma de la puerta :  ...  Wie man eine einfache T

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