Discover a step-by-step guide to building your own DIY external microphone for smartphones using old earbuds and a drinking ...
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How to Amplify Your Phone's Sound with a Stethoscope & Bottles | Easy DIY Speaker Hack!
Discover a creative way to amplify your smartphone's sound with this easy DIY project. Learn how to repurpose a stethoscope and plastic bottles to build a homemade phone speaker amplifier. Follow step ...
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