Remove Building Remove Cheap Remove DIY Remove Tech
article thumbnail

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. 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.

DIY 145
article thumbnail

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 79
article thumbnail

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. 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.

DIY 98
article thumbnail

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 120
article thumbnail

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.

article thumbnail

Picking Your Dream Car for Conversion

DIY Electric Car

The way I see it, if you're gonna build a time machine into a car, why not do it with some style? If you can build Lego and with the tech help and resources of this great DIY forum you can do it! Are you telling me that you built a time machine. out of a DeLorean? Make it your style, have fun and prove them all wrong.

article thumbnail

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

Tony Karrer Delicious EVdriven

Chrysler isnt the first to realize that building an EV off of a Lotus platform makes for an incredibly fast and fun experience (see also: Tesla Roadster ) We escaped from the dark confines of Cobo Hall onto a decently sunny day and cruised along the river and past the Ren Cen, gunning the Circuit whenever possible.