Cars That Think

MARCH 24, 2022

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. The v2021 version can be powered on two nonrechargeable LSH20 D-cell lithium batteries , which work well even at extremely low temperatures. (The

DIY 95

DIY Building Powered Power 95

Cars That Think

SEPTEMBER 28, 2021

The road to the calorie counter began in our lab (the Human Performance Laboratory in the Stanford University School of Engineering ), where we study things like the metabolic cost of walking. Using a I2C expansion board [top middle], the IMUs feed data into a Raspberry Pi [bottom middle] powered by a USB battery pack [left].

DIY 101

DIY Water Energy Carbon 101

Cars That Think

NOVEMBER 1, 2023

And today, technology is maturing to the point that meaningful amounts of these energy giveaways can be harvested to liberate wearables from ever needing a battery. There are, researchers have discovered, a wide range of options to harvest enough microwatts to replace wearables’ batteries. Batteries die before animals do.

Energy 139

Energy Carbon Fiber Solar Universal 139

Cars That Think

APRIL 6, 2022

Photos have become the universal form of casual conversation,” he said in a 2018 interview with The Institute. Although the CCDs could capture an image, they couldn’t store it. In a 2016 interview with DIY Photography , he said cassettes were the only permanent form of “digital storage” available to him at the time.

Store 104

Store DIY Convert Light 104

Tony Karrer Delicious EVdriven

JANUARY 15, 2009

WestVirginia University : Formula Lightning Solar Cars Clarkson University :Solar Knights Kansas State University :Apollo Universityof Quebec : Eclipse II University ofToronto : Blue Sky QueensUniversity : Dawn Treader Street Cars CentralShenandoah Valley Regional Governors School : Datsun 240Z conversion.

Conversion 28

Conversion Midget Motors Taylor-Dunn Frazer-Nash 28

Tony Karrer Delicious EVdriven

APRIL 16, 2009

The three leading new options to re-supply our autos with energy are charging at home, battery swap stations and fast charge stations. 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.

Charging 38

Charging Battery Batteries 2009 38