Arduino Reduces Heating Costs

While almost everyone has a heater of some sort in their home, it’s fairly unlikely that the heat provided by a central heating system such as a furnace is distributed in an efficient way. There’s little reason to heat bedrooms during the day, or a kitchen during the night, but …read more

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Peek at the Off-Ear Speaker Prototypes for Valve’s VR

The Valve Index VR headset incorporates a number of innovations, one of which is the distinctive off-ear speakers instead of headphones or earbuds. [Emily Ridgway] of Valve shared the design and evolution of this unusual system in a deep dive into the elements of the Index headset. [Emily] explains exactly …read more

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HP, Microsoft, Valve Team-Up for New ‘next-gen’ VR Headset

HP, Microsoft, and Valve are working on a new, next-gen VR headset. Details on the new device are yet to be revealed, but the companies are promising big things.
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Steam Upgrades Search Feature to Help You Find Exactly What You’re Looking For

Valve introduces a revamped Steam Search feature that makes it easier for users to narrow their search down and find exactly what they are looking for, quicker.
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A 3.3 V Tube Preamp Without An Inverter

If you’ve ever worked with vacuum tubes, you’ll probably have a healthy appreciation for high voltage power supplies. These components require higher potentials to get those electrons moving, or so we’re told. It’s not the whole truth though, as [Albert van Dalen] demonstrates with his tube preamplifier running …read more

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Creating Lookalike Valves With Resin Casting

Valves (tubes) certainly have a die hard fan base in the electronic community, praised for their warm sound, desirable distortion characteristics and attractive aesthetic. However, sometimes you just want the look of a valve for a prop or a toy, without actually needing the functionality. For those cases, this project …read more

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Steam Now Lets You Play Local Multiplayer Games With Your Friends Online

Steam’s latest new feature allows you to play local multiplayer games with your friends online across Windows, Mac, and Linux.
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