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2015-02-25 14:03:49 -0500 answered a question sicktoolbox hydro error

Use the option connect_delay

rosrun sicktoolbox_wrapper sicklms _port:=/dev/ttyUSB0 _connect_delay:=30

or

rosparam set sicklms/port /dev/ttyUSB0 rosparam set sicklms/connect_delay 30 rosrun sicktoolbox_wrapper sicklms

2015-02-19 23:12:15 -0500 answered a question Why sound play doesn't use festival's default voice ?

Use rosrun sound_play say.py "Text to say" voice_you_want

In C++

sound_play::SoundClient sc; sc.say("Phrase to say.","voice_you_want");

If you write "" in voice_you_want, you play the festival default voice