--- /dev/null
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+from __future__ import with_statement
+import zmq.utils.jsonapi as json
+import zmq
+import time
+
+######## r3 ZMQ ############
+
+def sendR3Message(socket, structname, datadict):
+ socket.send_multipart([structname, json.dumps(datadict)])
+
+#Start zmq connection to publish / forward sensor data
+zmqctx = zmq.Context()
+zmqctx.linger = 0
+zmqpub = zmqctx.socket(zmq.PUB)
+zmqpub.connect("tcp://wuzzler.realraum.at:4243")
+
+#listen for sensor data and forward them
+sendR3Message(zmqpub,"PresenceUpdate",{"Presence":True,"Ts":int(time.time())})
+
+zmqpub.close()
+zmqctx.destroy()
+
+