1. http://www.123dapp.com/catch. http://www.123dapp.com/catch.
2. http://www.slamtec.com/. http://www.slamtec.com/.
3. http://www.nexusrobot.com/. http://www.nexusrobot.com/.
4. http://events.linuxfoundation.org/events/embedded-linux-conference/. http://events.linuxfoundation.org/events/embedded-linux-conference/.
5. https://apps.fcc.gov/edocs_public/attachmatch/FCC-13-112A1_Rcd.pdf. https://apps.fcc.gov/edocs_public/attachmatch/FCC-13-112A1_Rcd.pdf.