Further reading
Refer to the following links:
- Honda ASIMO: http://asimo.honda.com/.
 - Baxter at Rethink Robotics: https://www.rethinkrobotics.com/baxter/.
 - Kismet at MIT: http://www.ai.mit.edu/projects/humanoid-robotics-group/kismet/kismet.html.
 - The OhBot: http://www.ohbot.co.uk/.
 - The Mars Science Laboratory at NASA: https://mars.nasa.gov/msl/.
 - For building a robot arm like the one used in ArmBot, take a look at MeArm: https://github.com/mimeindustries/MeArm.
 - For more information about my ArmBot design, visit https://www.youtube.com/watch?v=xY6Oc4_jdmU.