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A DIY Tracker Tough Enough for the Arctic

Cars That Think

Unfortunately, the cost of buying instruments commercially severely limited how many trackers we could deploy. So, I set about building an open-source ice tracker from DIY components that not only proved to be much, much cheaper but also much more capable than the commercial options.

DIY 94
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From Cleaning Offices to Designing EV Charging Stations

Cars That Think

Greta Bekerytė started out cleaning offices and ended up designing electronics for EV charging stations. He was a DIY enthusiast willing to try his hand at just about anything, from electronics to plumbing. We decided that on Saturday we would buy ferry tickets, but on Friday I got called for a job interview.” It wasn’t easy.

Clean 104
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IoT-ize Your Old Gadgets With a Mechanical Hijacking Device

Cars That Think

Connectivity usually comes at a premium, and it also usually involves buying a brand new whatever it is, because new hardware and software and services are required. IoTIZER is a prototype of a mechanical hijacking device (MHD), designed to replace human manipulation of existing products. Whether or not every device you own actually.

DIY 142
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Can This DIY Rocket Program Send an Astronaut to Space?

Cars That Think

meter-tall Nexø II rocket was powered by a bipropellant engine designed and constructed by the Copenhagen Suborbitals team. That successful mission in August 2018 was a huge step toward our goal of sending an amateur astronaut to the edge of space aboard one of our DIY rockets. We're now building the.

DIY 142
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Smith Electric Vehicles Delivers First Battery-Electric Truck into Ireland

Green Car Congress

Building materials retailer Grange Builders Providers, of Baldoyle, Dublin, has purchased a Smith Newton truck for deliveries of building and DIY products. Designed for city and town center use, the Smith Newton is powered by an 80 kWh Li-ion battery pack and a 120 kW electric motor.

Ireland 150
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Build the Most Accurate DIY Quartz Clock Yet

Cars That Think

Of course, I could buy an atomic clock—that is, one with a rubidium oscillator inside, of the sort used onboard GPS satellites. With one of these, I could build my own clock for around US $200—and one that’s about 200 times as accurate as a typical quartz clock. seconds per day, or over 10 minutes in the course of a year.

DIY 52
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A Web-Enabled, High Quality, DIY Audio Amp

Cars That Think

And I’d already built my own speakers, so why not build it myself? November 2018 Hands On article, “DIY Pro Audio ” in IEEE Spectrum , and it convinced me it was possible, although I wanted to go beyond just a power amplifier to something more like my lamented Sansui. After some reading, I settled on buying a.

DIY 99