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Creating an openSUSE powered Robot
- 1. Simon Lees [email protected] http://simotek.net Lets make a Robot openSUSE Style
- 2. About Me • I have been working for SUSE for 1 year • Previously worked for a Radio Comms company • Maintainer of Enlightenment on openSUSE for 5+ years.
- 3. Its a Trap!!! Run away now.
- 4. Why make a robot? • Because I can • The world needs more cool Robots
- 5. Why use Linux? • Text to speach - speach to test • Wifi • Video streaming • Easy to develop
- 6. Downside to Linux • Doing “Real Time” operations and working with GPIO can be annoying. • Solution: Use an Arduino and talk via serial – Lifes simple that way.
- 7. Hardware is hard • I needed something off the shelf • I wanted tank something with tank tracks – there wasn’t anything under $1000 that was good. • Was going to use an RC Car
- 8. Design
- 9. Electronics isn’t easy 1)Providing power 2)Controlling the motor 3)Converting 12v to 5v to run the Processor
- 10. Choosing a Processor • ODroid C1 ‒ Not a great choice • Get a Serial Cable • Arduino ‒ Alamode ‒ Sits on GPIO ‒ Powered from ODroid/RPI
- 11. Staging the build 1) Get a processor and make it work 2) Have enough software to drive a motor 3) Get a chassis 4) Get a battery 5) TBD a)Video streaming b)GPS and Compass c)Better UI d)Skynet
- 12. Data Flow Phone ArduinoODroid C1 Wifi / Websockets Laptop Serial (40 pin GPIO) H Bridge Motor Left Motor Right 0-12V DC See next slide
- 13. Arduino to HBridge Arduino H BridgeLeft Right Speed (PWM) Speed (PWM) Forward Forward Backward Backward
- 15. Wiring – Power Battery Voltage Regulator H Bridge (Motor Control) ODroid C1 / Arduino 12 V 5 V
- 16. Modular Design
- 17. Data Flow Phone ArduinoODroid C1 Wifi / Websockets Laptop Serial (40 pin GPIO) H Bridge Motor Left Motor Right 0-12V DC See next slide
- 20. # Main app event loop while True: uiServer.processMessages() arduinoInterface.processMessages() time.sleep(0.01) Motor Queue UI Queue Main Thread Motor Thread UI Thread
- 21. Demo
- 22. Summary
- 23. Summary • The joy of open source, by taking a bunch of things done by different people and gluing them together you can make something cool without much effort. • Modular designs with common protocols are good. • Use the right tools for the job (or close enough anyway) • Build yourself a Robot, theres kits for just about any skill level.
- 24. Thanks • SUSE – Funding Travel • Conference organisers
- 25. Join Us at www.opensuse.org
- 26. License This slide deck is licensed under the Creative Commons Attribution-ShareAlike 4.0 International license. It can be shared and adapted for any purpose (even commercially) as long as Attribution is given and any derivative work is distributed under the same license. Details can be found at https://creativecommons.org/licenses/by-sa/4.0/ General Disclaimer This document is not to be construed as a promise by any participating organisation to develop, deliver, or market a product. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. openSUSE makes no representations or warranties with respect to the contents of this document, and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. The development, release, and timing of features or functionality described for openSUSE products remains at the sole discretion of openSUSE. Further, openSUSE reserves the right to revise this document and to make changes to its content, at any time, without obligation to notify any person or entity of such revisions or changes. All openSUSE marks referenced in this presentation are trademarks or registered trademarks of SUSE LLC, in the United States and other countries. All third-party trademarks are the property of their respective owners. Credits Template Richard Brown [email protected] Design & Inspiration openSUSE Design Team http://opensuse.github.io/branding- guidelines/
- 27. License This slide deck is licensed under the Creative Commons Attribution-ShareAlike 4.0 International license. It can be shared and adapted for any purpose (even commercially) as long as Attribution is given and any derivative work is distributed under the same license. Details can be found at https://creativecommons.org/licenses/by-sa/4.0/ General Disclaimer This document is not to be construed as a promise by any participating organisation to develop, deliver, or market a product. It is not a commitment to deliver any material, code, or functionality, and should not be relied upon in making purchasing decisions. openSUSE makes no representations or warranties with respect to the contents of this document, and specifically disclaims any express or implied warranties of merchantability or fitness for any particular purpose. The development, release, and timing of features or functionality described for openSUSE products remains at the sole discretion of openSUSE. Further, openSUSE reserves the right to revise this document and to make changes to its content, at any time, without obligation to notify any person or entity of such revisions or changes. All openSUSE marks referenced in this presentation are trademarks or registered trademarks of SUSE LLC, in the United States and other countries. All third-party trademarks are the property of their respective owners. Credits Template Richard Brown [email protected] Design & Inspiration openSUSE Design Team http://opensuse.github.io/branding- guidelines/