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A DIY E-bike Conversion on the Cheap

Cars That Think

In 2009, I wrote in these pages about my efforts to. add an electric motor to a bicycle —a project that involved a considerable outlay of money and many hours in a machine shop behind a lathe. 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.

DIY 145
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Hi-fi, Radio, and Retro: The DIY Projects Spectrum Readers Love

Cars That Think

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). 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?

DIY 81
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A DIY E-bike Conversion on the Cheap

Cars That Think

In 2009, I wrote in these pages about my efforts to. add an electric motor to a bicycle —a project that involved a considerable outlay of money and many hours in a machine shop behind a lathe. 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.

DIY 98
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This is the most innovative full-suspension electric scooter I’ve ridden in years

Baua Electric

Easybike G16 video review Easybike G16 tech specs Motor: 750W continuous-rated, 1,500W peak-rated rear hub motor Top speed: 45 km/h (28 mph) Range: 40 km (25 mi) Battery: 52V 13Ah (676 Wh) Weight : 22.5 This isn’t just-for-show suspension like we’ve seen on plenty of cheap e-bikes and e-scooters. Next, this isn’t a cheap ride.

Cheap 52
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Build Your Own Hi-fi Ear Defenders

Cars That Think

But this tech gets you only so far: Noise cancellation works just for relatively low frequencies, and the overall hearing protection that earbuds can offer is also relatively limited. I was on the hunt for another cheap small MEMS mic that could handle louder sound sources. I found the Vesper VM2020 , with an impressive AOP of 149 dB!

Building 127
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Build a Passive Radar With Software-Defined Radio

Cars That Think

The biggest leap forward happened in 2012 when it was discovered that USB stick TV tuners using the RTL2832U demodulator chip could be tapped to make very cheap but effective SDR receivers. Building off the demand stimulated by this activity, a number of manufacturers have started making premium, but still relatively cheap, SDRs.

Building 100
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Picking Your Dream Car for Conversion

DIY Electric Car

If you can build Lego and with the tech help and resources of this great DIY forum you can do it! Make it your style, have fun and prove them all wrong. You deserve this.