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Hi-fi, Radio, and Retro: The DIY Projects Spectrum Readers Love

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And a follow-up to that article, “ A Web-Enabled, High Quality, DIY Audio Amp ” (March 2022), comes in at No. Are there trends in DIY projects you think we’re missing? Far and away our most popular article in the last five years has been “ Build Your Own Professional-Grade Audio Amp on the Sort of Cheap ” (November 2018).

DIY 101
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IoT-ize Your Old Gadgets With a Mechanical Hijacking Device

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It's not hard to turn them on and off with a connected socket adapter of some sort, but as you start to go back more than a few years, things become increasingly designed for direct human interaction rather than for the Internet, with buttons and switches and dials and whatnot. Or, that was the idea, anyway.

DIY 144
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From Cleaning Offices to Designing EV Charging Stations

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Greta Bekerytė started out cleaning offices and ended up designing electronics for EV charging stations. He was a DIY enthusiast willing to try his hand at just about anything, from electronics to plumbing. I always knew I wanted to be a specialist: a person that others would go to because they knew something really well,” she says.

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This New Site

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IEEE New Initiatives Committee , we've designed an experience around IEEE members both current and future. For this new site design we were fortunate to work with the artists at Pentagram , who were also responsible for the recent redesign of our print edition. Spectrum on a monthly basis. So with the generous support of the.

DIY 144
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Chip Shortage Challenges Maker Manufacturers

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In turn, ideas from the maker community bubble back up into industrial settings, often via engineers seeking quick or inexpensive solutions to problems—consequently both the Raspberry Pi and Arduino lines now feature pro products designed for commercial embedded systems. Anyway, we had some challenges in the most complex designs.

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Energy Harvesting for Wearable Technology Steps Up

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Personalized health care could revolutionize traditional medical practice,” Gao says. But to incorporate many different types of sensors, we need different material designs and tools. This second-generation e-skin sandwiched thin sheets of Teflon, copper, and polyimide that slide as the person moves, generating maximum power of 0.94

Energy 145
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Build Your Own Hi-fi Ear Defenders

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For years, I have been trying to improve my personal audio-monitoring situation without going to the expense of the systems used by professional touring bands, which include custom-molded earpieces. The WM8960 has a quieter initial gain stage that’s designed for microphones. It was for the audio codec chip by Wolfson, the $18 WM8960.

Building 141