Cars That Think
AUGUST 20, 2021
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.
Cars That Think
NOVEMBER 23, 2022
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?
Cars That Think
AUGUST 20, 2021
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.
Cars That Think
NOVEMBER 26, 2023
Now, after countless versions of wiring things together, and even designing my own audio mixers, I finally have a DIY solution that works within a reasonable budget. 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!
Cars That Think
OCTOBER 3, 2023
As he prepares to leave Spectrum to pursue more writing and assorted other projects, I asked Schneider to survey his DIY oeuvre and choose some highlights. He notes that his exoplanet detector , which he made back in 2014, still impresses him almost a decade on. The exoplanet detector is an absolute delight for the frugal DIYer. “I
Cars That Think
OCTOBER 25, 2022
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.
Cars That Think
JULY 30, 2021
KAIST/Korea Polytechnic University The paper doesn't directly address the cost of the MHD, and with three motors and some other electronics in it, it's not likely to be super cheap. It's also possible to build your own MHD device for cheap , if you know what you're doing.
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