text: #!/usr/bin/env python
  
  import rospy
  from std_msgs.msg import String
  from std_msgs.msg import Float32
  
  def talker():
      pub = rospy.Publisher('mcVoltageFeedback', Float32, queue_size=10)
      rospy.init_node('sample_publisher2', anonymous=True)
  
      rate = rospy.Rate(1) # 1hz
      while not rospy.is_shutdown():
  
         # test = "test2"
  	num = 17
          rospy.loginfo(num)
          pub.publish(num)
  
          rate.sleep()
  
  if __name__ == '__main__':
      try:
          talker()
      except rospy.ROSInterruptException:
          pass
  
  #for more on python publishers, wiki.ros.org
  