OpenROV: Node.js takes a dive into the ocean
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OpenROV is a OpenSource underwater vehicle, remotely operated from a standard browser via a Node.js application running on an embedded linux board (the BeagleBone) and connected to a webcam and an Arduino. In this presentation I tell you some insights on how the ROV is put together, mainly focusing on the software component.
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OpenROV: Node.js takes a dive into the ocean
- 1. OPENROV NODE.JS TAKES A DIVE INTO THE OCEAN Simone Chiaretta / @simonech
- 2. WHAT IS OPENROV OpenROV is an open source robotic submarine designed to make underwater exploration possible for everyone. By Eric Stackpole and David Lang .
- 3. HOW DOES IT LOOK LIKE
- 4. HOW DOES IT LOOK LIKE
- 5. THE GOAL Invented to discover a hidden treasure in an underwater cave. But also to: Make underwater exploration accessible to everyone Very low cost Extensible
- 7. BROWSER Pure HTML/JS with Knockout.js
- 8. BEAGLEBONE Node.js with: Express Socket.io SerialPort mjpg_streamer
- 9. ARDUINO Controls Motors, Servos, Leds
- 10. OPENROV: HOW TO Just plug the ethernet cable, and browse to: http://192.168.254.1:8080
- 11. NODE.JS ON THE BEAGLEBONE If you use the default Angstrom distro, it just works. DEMO
- 12. BONESCRIPT Arduino-like library to simplify physical computing on the BeagleBone Get the lib at https://github.com/jadonk/bonescript
- 13. HELLO WORLD rqie'oecit) eur(bnsrp'; stp=fnto ( { eu ucin ) pnoebn.S3 OTU) iMd(oeUR, UPT; } lo =fnto ( { op ucin ) dgtlrt(oeUR,HG) iiaWiebn.S3 IH; dly10; ea(0) dgtlrt(oeUR,LW; iiaWiebn.S3 O) dly10; ea(0) }
- 14. SHOW ME THE CODE DEMO
- 15. CLIENT Shows camera Receives input from users (keyboard or joypad) Displays value from sensors
- 16. NODE.JS Spawns a new process for the camera capture Communicates over socket.io with the browser Handles unpackaging/compilation/upload to the b Sends commands to Arduino
- 17. ARDUINO Drive the motors Tilts the servo Lights the LEDs Gathers values from sensors
- 18. FAKES Eliminate dependencies on HW when testing or when on Azure.
- 19. THE FUTURE Complete v1 features Refactor code Handle automatic update of code Allow extensibility, both HW and SW
- 20. MORE INFO http://openrov.com - OpenROV community Site https://github.com/OpenROV - Get the code Twitter: @openrov http://dronesandrovs.wordpress.com - My Build Blog