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A DIY E-bike Conversion on the Cheap

Cars That Think

At the time, e-bikes were still rather exotic, at least in the United States, so it seemed worth the expense and effort to build my own. The handlebar-mounted controls connect with an Arduino, which interprets their settings and translates them into a PPM signal, which is applied to the electronic speed controller.

DIY 145
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A DIY E-bike Conversion on the Cheap

Cars That Think

At the time, e-bikes were still rather exotic, at least in the United States, so it seemed worth the expense and effort to build my own. The handlebar-mounted controls connect with an Arduino, which interprets their settings and translates them into a PPM signal, which is applied to the electronic speed controller.

DIY 98
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Detect Quakes With “Raspberry Shakes”

Cars That Think

Searching the interwebs, I found no shortage of leads about how to build a DIY seismometer. The problem is that the DIY seismometer designs I was seeing were large and ungainly contraptions. I investigated what some other Web-connected Raspberry Shakes had recorded during that earthquake. Since that time, a larger (magnitude 6.2)

Panama 89
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Tony Fadell: The Nest Thermostat Disrupted My Life

Cars That Think

If I could just connect the HVAC system to my iPhone, I could control it from anywhere. It was a dead, unloved market with less than $1 billion in total annual sales in the United States. It connected to your phone. This needed to be an easy DIY project, a quick upgrade. The big companies weren’t going to do it.

Tahoe 92
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A Smart Artificial Pancreas Could Conquer Diabetes

Cars That Think

million in the United States alone—the pancreas produces either no insulin or too little, and the control process must be approximated by artificial means. A thin electrode is inserted under the skin with a needle and then connected to the monitor, which is. Then there are the many, many DIY projects underway. Diabeloop.

Personal 140