How to make a Special Door Alarm
This video i'll show you how to make a very simple door alarm. Hope you like it. Preparation: 2AA batteries + holder, a 3V buzzer, a wooden clip, electric wire, 3-6V dc motor + gearbox Songs: 1 - Universal - • Universal - Vibe Tracks 2 - Alternate - • Alternate | YouTube Audio Library
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How to Make a Simple Door Alarm
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