text: from __future__ import print_function
  import zmq,time,sys
   
  print("Connecting to Sensor Server")
  sys.stdout.flush()
  context = zmq.Context()
  #  Socket to talk to server
  socket = context.socket(zmq.REQ)
  socket.connect("tcp://127.0.0.1:5555")
  print("Connected")
  
  print("Sending sub lux start")
  socket.send("SENSOR_REQ,DEV=ENVIRO_PHAT,SUB_DEV=LUX,CMD=SUB_START,RATE=500,SENSOR_REQ_END")
  message = socket.recv()
  print("Received:",message)
  