const mqtt = require('mqtt')
const client = mqtt.connect('mqtt://mqtt.timovolkmann.de')

client.on('connect', function () {
  client.subscribe('smartgarden/updates', function (err) {
    if (!err) {
      client.publish('smartgarden/updates', 'Hello mqtt')
    }
  })
})

client.on('message', function (topic, message) {
  // message is Buffer
  console.log('topic:', topic.toString(), 'message:', message.toString())
  //client.end()
})