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

Cars That Think

And a follow-up to that article, “ A Web-Enabled, High Quality, DIY Audio Amp ” (March 2022), comes in at No. A third of the top 15 articles relate to wireless and radio tech, with one concerning a home-brew radio telescope (October 2019). Are there trends in DIY projects you think we’re missing? Drop me a line at cass.s@ieee.org

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Tech: How to Troubleshoot Electrical Issues

Clean Fleet Report

Tech: How to Troubleshoot Electrical Issues Tips for Diagnosing Power Issues in your Car This article may contain affiliate links. For instance, check if the lights are dimmer than usual, if there are unusual clicking noises or a burnt plastic smell, if your starter motor is turning, or if the engine does not start at all.

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A DIY E-bike Conversion on the Cheap

Cars That Think

While it would have been nice to engineer some sort of spring-driven mechanism to control how forcefully the motor pushes against the tire, I kept things simple: I just deflated the tire somewhat, bolted the motor solidly in place, and reinflated the tire. So I bought an outrunner. In that position, it's hardly visible.

DIY 145
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A DIY E-bike Conversion on the Cheap

Cars That Think

While it would have been nice to engineer some sort of spring-driven mechanism to control how forcefully the motor pushes against the tire, I kept things simple: I just deflated the tire somewhat, bolted the motor solidly in place, and reinflated the tire. So I bought an outrunner. In that position, it's hardly visible.

DIY 98
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Video Friday: Humanoid Soccer

Cars That Think

CMU FIG ] CNN’s “Tech for Good” hears from Dr. Marko Bjelonic, from ETH Zürich’s Robotic Systems Lab and founder of the Swiss Mile robot, who believes automated machines are the key to automating our cities. Be the tiny DIY robot cat you’ve always wanted to be! Utah Engineering ] PLEN is all ready for the world cup.

Utah 138
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VSAdmin/Philip - Please Acknowledge Technical Issues

DIY Electric Car

The tech is easy but building the content and getting people to participate is the lynch pin. They are interested in the portfolio and being able to mine the existing content via search engines. I'm afraid the only response that will satisfy many of the users to to branch out and start another. That's a tall order.

Building 138
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Ukrainian Volunteers Use 3D Printers to Save Lives

Cars That Think

The Ukrainian company 3D Tech ADDtive was the first to come up with an initiative to defend Ukraine. The Ukrainian company 3D Tech ADDtive developed a combat application tourniquet [left] containing multiple 3D-printed parts [right]. The most useful for the military are periscopes, which volunteers disguise as needed.

Ukraine 145