Optimized subscriptions

app/client/startup.js

@@ -0,0 +1,8 @@
+Tracker.autorun(function () {
+  var id = Session.get('controller_id');
+  if (id) {
+    Meteor.subscribe("sensor_data", id);
+    var hamo = Meteor.subscribe("controller_state", id);
+    console.log(hamo);
+  }
+});