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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
Thanks - that's very interesting... I've just merged a change that stops Bluetooth changes from lighting the screen.
However the wake on touch thing is an odd one. As @NebbishHacker says it's using the accelerometer (having the touchscreen on uses enough power it'd drain the Bangle's battery in a week). The accelerometer does have various settings for what it considers to be a 'tap' and we're using the default provided by the manufacturer - I guess those could maybe be tweaked but you'd hope that they would work 'out of the box'.