now I just need to work out how to get Esphome to understand the advertised battery percentage from the pucks
This might be handy for that: https://forum.espruino.com/conversations/382301/#comment16798335
@Gordon started
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.
This might be handy for that: https://forum.espruino.com/conversations/382301/#comment16798335