Ask HN: Low power programmable device?
I own a PocketCHIP and can run the OCaml toplevel on it. This is very nice, but the battery life is only around five hours and the keyboard is not terribly usable.
https://en.wikipedia.org/wiki/AlphaSmart https://hackaday.com/2018/04/03/is-this-the-end-for-the-c-h-i-p/ http://m5stack.com/
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