Discover how to create a homemade portable power generator using simple materials like DC motors, cardboard, and a USB wall ...

Learn how to make your own DIY portable speaker for your smartphone using basic components like mini speakers, an amplifier ...

Follow ZDNET: Add us as a preferred source on Google. Have a USB device near you? Look closely at the port -- do you see a color? It turns out that it actually means something. There's a standardized ...

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