gtagency/buzzmobile — pull request #6 by barulicm (2014-10-31 05:42:30+00:00)
Title: Adds support for estop reading and horn actuating.

PDController's will now only run if the estop has the motors enabled.
A yellow light has been added to the shield that will indicate motor enabled/disabled status.
The car_interface node now listens for std_msgs::Bool messages on the /car_horn topic.
Writing true to this topic will turn the horn on. Writing false will turn the horn off.