Measuring Battery Capacity With an Arduino

Denis Hennessy recently encountered a problem we’ve all faced: he needed some AAs for a battery-eating gizmo, and he was overwhelmed by the choices available.

Ignoring the shiny packaging and its marketing jargon, the core question was: which brand offered the best bang-for-the-buck?

Hennessy knew that the cheapest price did not necessarily mean the best value, so he did the only logical thing: pull on his Mad Science labcoat, buy samples of all the batteries, build an Arduino-controlled testing rig, and start generating data.

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Source: Wired Top Stories