// Simplest way to create a Eddystone-TLM Beacon var eddystoneBeacon = require('./../../index'); eddystoneBeacon.advertiseTlm(); setInterval(function() { var randomBatteryVoltage = Math.floor((Math.random() * 10000) + 500); // between 500 and 10,000 var randomTemperature = (Math.random() * 256.0) - 128.0; // between -128.0 and 128.0 eddystoneBeacon.setBatteryVoltage(randomBatteryVoltage); eddystoneBeacon.setTemperature(randomTemperature); }, 10 * 1000);