use a smart switch to turn off a lithium battery charger
visitors this year: 1,914 I know that I ought not leave things powered on. Knowing that is easier than remembering that an e-bike or drone or laptop battery is still connected. Below I show...
handling data from experiments / home & garden / monitoring at home
by Roger · Published Mar 2022 · Last modified Mar 2023
visitors this year: 1,914 I know that I ought not leave things powered on. Knowing that is easier than remembering that an e-bike or drone or laptop battery is still connected. Below I show...
visitors this year: 66 Battery life In this experiment an electrical cell is tested to exhaustion. The cell might be a dry-cell, an alkaline cell or a lead-acid accumulator. The decreasing voltage is measured...
visitors this year: 101 About the technology behind the world’s best selling electric vehicle. Called the Nissan LEAF, it’s a car to drive across town with the thought that you’re not pumping out pollution, or adding...
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Roger Frost (his cv) has been writing about technology for all the years since 1988 and this web includes his articles; tutorials, radio interviews and, going back to our early days, lesson ideas for science teachers.
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