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  • Well there's the Web Bluetooth examples: http://www.espruino.com/Web+Bluetooth#tw­o-way-communications

    Just replace the line "setInterval(function(){Bluetooth.printl­n(Puck.light());},100);NRF.on('disconnec­t', function() {reset()});\n", with:

    "Bangle.setHRMPower(1);Bangle.on("HRM",h­=>Bluetooth.println(h.bpm));NRF.on('disc­onnect', function() {load()});\n",
    

    and it'll output it.

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