Battery charge versus remaining usable charge
This seems like a silly question, but I know it's actually complicated and may not be something anyone can really answer. That said, is there any way to know how long a set of batteries will last bas...
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I've been meaning to order a data logging shield. Now that I know there's a parasitic load, I'll be sure to order one. I can't remember if I have a bare uno, but I do have an ESP8266 in uno for. Factor.
