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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.
@Gordon
No, that should be fine. Literally all I did was run the app and it worked fine for me, showing a bunch of different readings. Although battery never updated.
Maybe try running it with the Web IDE connected and see if you get any error messages