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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. He'd been selling kits for his mount in small numbers. Consider the two e-bikes described in. this month's Gizmo column , which each cost thousands of dollars.

DIY 145
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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. He'd been selling kits for his mount in small numbers. Consider the two e-bikes described in. this month's Gizmo column , which each cost thousands of dollars.

DIY 98
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A Web-Enabled, High Quality, DIY Audio Amp

Cars That Think

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. In commercial product development, an optimized microcontroller would be the way to go, but for my DIY project, a Pi was perfect.

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. During its brief heyday, thousands were built, leading to commercially assembled Galaksijas finding their way into homes and schools across the country.

DIY 98
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Solar Energy - A Way To Cut Down On High Energy Costs

DIY Electric Car

It was expensive to commercially exploit solar energy few decades ago. There are kits available for home owners to take advantage of the sun's abundant energy. Most of these kits can be assembled over a weekend for the basic installation, but the more complex system can take a little longer.

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