My friend Tod E. Kurt built this device as a study in using an analog panel meter with an Arduino. If I recall correctly, it is purely self-referential; its only function is to test its own batteries. The case was cut and styled on his laser cutter — it still smelled like burned wood when I sniffed it.
Todbot’s photo.
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John Edgar Park likes to make things and tell people about it. He builds project for Adafruit Industries. You can find him at jpixl.net and twitter/IG @johnedgarpark
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