The 9x9x9 LED Cube is a versatile platform for 3D light-based visualization, interactive applications, and gaming experiments. Its modular design, BLE support, and custom rendering capabilities make ...

Building an Arduino speed detector using IR technology to measure the speed of a moving object is much more cost-effective, and it is also very simple to build. All you need are a few basic parts, ...

Executive Editor David Carnoy has been a leading member of CNET's Reviews team since 2000. He covers the gamut of gadgets and is a notable reviewer of mobile accessories and portable audio ...

Here’s how it works. It’s never been easier to move your music from room to room (and even outside) than with the best Bluetooth speakers. There are loads of different options out there ...

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Affordable wireless audio has come a long way in recent years. Here are the best low-cost Bluetooth speakers we've tested, along with what you need to know when shopping for one. I've been a ...

The best Bluetooth car adapters ensure you can enjoy hands-free audio in your car — no matter how low-tech your car might be. You don't have to spend a fortune on this process, and the only ...

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Our expert, award-winning staff selects the products we cover and rigorously researches and tests our top picks. If you buy through our links, we may get a commission. Executive Editor David ...