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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.
@user67760
There are rechargeable button batteries that might fit in the puck.js. Does anyone know of a 3-3.5V button battery that would w0rk?
I think we could make one of the rechargeable buttons work.
Charles@intellijoule.com