const mqtt = require('mqtt') const client = mqtt.connect('mqtt://mqtt.srv.jnf.me', { clientId: 'pictureframe_' + Math.random().toString(16).substr(2, 8), username: 'pictureframe', password: 'pictureframe' }) client.on('connect', () => { client.subscribe('pictureframe/#', (err) => { if (err) console.log(err) }) }) client.on('message', (topic, message) => { console.log(topic + ' : ' + message.toString()) })