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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@DrAzzy
The video shows more stuff like that. They hit it with a blow torch, and put a nail through it during operation and shit like that.
I can't wait for these bad boys to get cheap... the volumetric energy density looks decent too. Just the bit about costing 50x as much per mAh vs Panasonic 18650s.