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

Cars That Think

The first thing that jumps out is that Spectrum readers love good quality audio, but unlike some audiophiles, they don’t see an exorbitant price tag or voodoo components as a badge of honor. And a follow-up to that article, “ A Web-Enabled, High Quality, DIY Audio Amp ” (March 2022), comes in at No. Drop me a line at cass.s@ieee.org

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A DIY E-bike Conversion on the Cheap

Cars That Think

At the time, e-bikes were still rather exotic, at least in the United States, so it seemed worth the expense and effort to build my own. Being an open-source design no doubt keeps the price of this hardware down: The controller I bought set me back a mere $85. In 2009, I wrote in these pages about my efforts to.

DIY 145
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A DIY E-bike Conversion on the Cheap

Cars That Think

At the time, e-bikes were still rather exotic, at least in the United States, so it seemed worth the expense and effort to build my own. Being an open-source design no doubt keeps the price of this hardware down: The controller I bought set me back a mere $85. In 2009, I wrote in these pages about my efforts to.

DIY 98
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This slightly shady $500 kit turns your e-bike into an electric snowmobile

Baua Electric

For power, I guess you run your throttle back to the new controller, though that’s another reason just to start this build from scratch. But one final surprising concern of mine is the price – not that it’s too high, but rather too low. I feel like any self-respecting DIY electric snowmobile should cost significantly more than this.

Kits 52
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Can This DIY Rocket Program Send an Astronaut to Space?

Cars That Think

That successful mission in August 2018 was a huge step toward our goal of sending an amateur astronaut to the edge of space aboard one of our DIY rockets. We're now building the. We have plenty of engineers, as well as people like me, a pricing manager with a skydiving hobby. Even more important, it came back down in one piece.

DIY 138
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DIY Gamma-Ray Spectroscopy with a Raspberry Pi Pico

Cars That Think

So when I decided to build a cheap DIY scintillating gamma spectrometer, it was the natural choice—although I didn’t realize I’d find myself navigating around teething problems of the sort that often affect a first-generation integrated circuit. I wanted to see if I could make it easy and affordable to build a spectrometer.

DIY 101
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Picking Your Dream Car for Conversion

DIY Electric Car

A few things to keep in mind before you take that plunge are simple things like; If you have always wanted a certain type of car but it was always just out of your reach you can normally find one that has a blown motor or needs a lot of mechanical work in order to get to pass testing for a reasonable price. s your dream car. You deserve this.