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A DIY Tracker Tough Enough for the Arctic

Cars That Think

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. This consumed around 350 milliamperes while running at 5 volts for about 1.7 watts, but the Apollo3 uses just 500 microamperes at 3.3 microwatts.

DIY 91
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A DIY E-bike Conversion on the Cheap

Cars That Think

I'd read about such friction-drive arrangements and had followed the work of a cyclist in Australia known as Kepler who had devised a clever articulated mount that allows the motor to retract from the wheel when not applying power. He'd been selling kits for his mount in small numbers.

DIY 145
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A DIY E-bike Conversion on the Cheap

Cars That Think

I'd read about such friction-drive arrangements and had followed the work of a cyclist in Australia known as Kepler who had devised a clever articulated mount that allows the motor to retract from the wheel when not applying power. He'd been selling kits for his mount in small numbers.

DIY 98
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