Cars That Think
AUGUST 20, 2021
Terrafirma Technology , a company started by an engineer named Michael House who has gone into business supplying 3D-printed adapters to people who want to repurpose lithium-ion power-tool batteries. All that was needed was a suitable adapter, which I bought for $18 from. On the handlebars are three controls: a.
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
Terrafirma Technology , a company started by an engineer named Michael House who has gone into business supplying 3D-printed adapters to people who want to repurpose lithium-ion power-tool batteries. All that was needed was a suitable adapter, which I bought for $18 from. On the handlebars are three controls: a.
Green Car Congress
FEBRUARY 14, 2020
I knew I wanted something for her that was cheap to maintain, had a reliable automatic transmission, came with cruise control, AC. The other is the hybrid battery (nickel-metal in the Gen2), responsible for the charge and supplying the cabin with electricity, including the climate control. It was time to buy our first car.
Cars That Think
JUNE 22, 2022
So when I decided to build a cheap DIY scintillating gamma spectrometer, it was the natural choice—although I didn’t realize I’d find myself navigating around teething problems of the sort that often affect a first-generation integrated circuit. This article appears in the July 2022 print issue as “DIY Gamma-Ray Spectroscopy.”.
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.
DIY Electric Car
MARCH 10, 2012
However I have been busy buying parts and I building myslef a lab power supply for a old computer ATX power supply which I had lying around. So I guess I now have a cheap DC to DC convertor. I tested them both with my power supply and they clunk when I apply 12V so I assume all good. What a pain that is?
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