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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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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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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 71
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Picking Your Dream Car for Conversion

DIY Electric Car

Picking Your Dream Car for Conversion. Well I have always wanted three cars, A Fiero, DeLorean and Lamborghini. So your almost there, ready to take the plunge as well to convert a car from gas to electric or maybe you dino drinker is on its last legs and is going to need to be replaced soon. s your dream car. Eco Steve

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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 106
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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.

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Dodge Circuit EV First Drive: electric car makes grand promises on Earth Day

Tony Karrer Delicious EVdriven

Subscribe Green News Events Manufacturers Region New Cars Used Cars Filed under: EV/Plug-in , Chrysler , Dodge , AutoblogGreen Exclusive , SAE World Congress Dodge Circuit EV First Drive: electric car makes grand promises on Earth Day by Sebastian Blanco on Apr 22nd 2009 at 7:48PM Two months ago we went for a ride in the Dodge Circuit EV.