- On the parameter server, define the parameter "/recording_filename", e.g. rosparam set /recording_filename cob3-3_1.csv 
- Run the script that should be executed during recording (e.g. moving the robot back and forth)
- rosrun cob_relayboard record_voltage.py 
- Check if the recording works ok, e.g. tail cob3-3_1.csv 
