(function(){var a;Bangle.on("charging",function(e){if(e){if(!a){var c=0,b=0;a=setInterval(function(){var d=analogRead(D30);c<d?(c=d,b=0):(b++,10<=b&&(Bangle.buzz(500),setTimeout(function(){return Bangle.buzz(500)},1E3)))},3E4)}}else a&&(clearInterval(a),a=void 0)})})()