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var ECG_idx = 0;

        function getECG(){
          if (ECG_idx++ >= ECG_data.length - 1) ECG_idx=0;
          var output = new Array();
          output[0] = ECG_data[ECG_idx];
          return output;
        }
        var ecg;
        ecg = new PlethGraph("ecg", getECG);
        ecg.speed = 1.5;
        ecg.scaleFactor = 0.8;

          ecg.start();

console.log("MQTT Test");
  var client = mqtt.connect({hostname:"nyamuk.scrapforparts.com",username:"R", password:"RhythmD3Vel",port:8083,protocol:'wss',clientId:"MQTT"})
    var message = "[test,tast,tost]";
  client.on('connect', function () {
    console.log("Connected");
    client.subscribe('Rhythym-N')
    client.publish('Rhythym-N', message)
  })

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