Ok, info here: https://github.com/espruino/BangleApps/blob/master/apps/flagrse/README.md
@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.
Ok, info here: https://github.com/espruino/BangleApps/blob/master/apps/flagrse/README.md