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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.
Ganblejs
Reading this topic, I was thinking about the run+ app.
It draws quite a bit of energy. If I understood correctly, by changing the the code so that it updates only some parts of the screen, it would become more energy efficient ? At the moment I'm often doing 1 hour runs, which wastes roughly more than half the battery (using gps update every second, and an external bthrm (internal off)). In a month I have a half marathon, which should take 2h30. Besides running faster, do you have any advice to get a chance of finishing the race without flattening the battery ?