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Can This DIY Rocket Program Send an Astronaut to Space?

Cars That Think

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. Rockets built by commercial players like. We can't afford to test our systems to the extent that commercial companies do (that's why we'll never sell rides on our rockets).

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Order book opens for Swindon Powertrain’s High Power Density (HPD) EV system

Green Car Congress

The 80kW production unit is smaller and lighter than the concept, making it suited for sports, recreation and light commercial applications as well as classic car conversions. Customers can now order Swindon Powertrain’s High Power Density (HPD) EV system with deliveries starting in August.

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DIY Gamma-Ray Spectroscopy with a Raspberry Pi Pico

Cars That Think

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.”.

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A DIY E-bike Conversion on the Cheap

Cars That Think

Thanks to a few recent technical and commercial developments, I was able to come up with an e-bike conversion that cost me less than US $200 and yet functions impressively. Consider the two e-bikes described in. this month's Gizmo column , which each cost thousands of dollars.

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Escape Proprietary Smart Home Tech With This DIY Panel

Cars That Think

For commercial off-the-shelf equipment—like my energy meter—this communication is typically via Z-Wave. The heart of my Home Assistant setup is a hub powered by an old PC running Linux. This handles wireless connections with my sensors, appliances, and other devices.

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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.

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Search for Buried Treasure With This DIY Magnetometer

Cars That Think

commercialized around 2010. After satisfying myself that this homebrew magneto-inductive sensor actually worked, I decided to see what I could do with a commercial unit that contains three sensors of this type. This article appears in the May 2022 print issue as “A DIY Magnetometer.”. It can be purchased. I connected this.

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