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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
Hmm. Looks like it's because Espruino's code didn't know about the polarity of the buttons (they read 1 when off and 0 when on). If you hold down BTN1 while resetting it'll work - I'll get that fixed for the 1v91 release.
You should be able to do
NRF.setAdvertising({},{name:"YourName"});for advertsing I think