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2015-06-18 16:09:48 -0500 | asked a question | How to use the serial port on Turtlebot? Hey, I am trying to use the serial port (I/Os) on Turtlebot. I want to control each pin (I/O) just as the pins on Arduino or Raspberry Pi. For example, how do I light up an LED? Please help, thanks! |
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2015-06-05 16:08:32 -0500 | asked a question | How to SLAM Mapping with Ultrasonic Sensors instead of Kinect? Hey guys, I am trying to do the SLAM mapping with an ultrasonic sensor(HC-SR04). It works on my raspberry pi using Python. I wonder if there is any package I can use to use RViz and gmapping, with my ultrasonic sensor. I do not know how to publish the distance reading information from Raspberry Pi to my turtlebot laptop. Thanks. |