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A DIY Calorie Counter More Accurate Than a Smartphone

Cars That Think

We used the NumPy scientific computing library for storing data in a convenient format, and the Scikit-learn machine-learning library for analyzing motion data from the IMUs. Our Python scripts are available for download from a public repository.) We pull in sensor data at a fixed rate of 100 hertz.

DIY 99
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The Soviet-Era, Z80-based Galaksija Dared to Be Different

Cars That Think

The Galaksija is a Z80 -based, 8-bit DIY machine, cleverly designed so that its bill of materials meshed exactly with what a Yugoslavian was able to import from Western Europe. The picture is one of a landscape littered with uninspired attempts to copy American IBM PCs, British ZX Spectrums , and other Western computers.

DIY 98
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Greenlings: Benefits of charging stations vs. battery swaps vs. home charging

Tony Karrer Delicious EVdriven

Also, besides giving you the ability to charge at night when most utility rates are lower, future vehicle-to-grid (V2G) technology may allow you to sell some of your stored energy back to the utilities. Currently, there are some industrial facilities that use battery swapping to replenish the energy stores of electric forklifts.