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Raspberry Pi + RoboPi (propeller based) Elf gets a camera and streams MJPEG! — Parallax Forums

Raspberry Pi + RoboPi (propeller based) Elf gets a camera and streams MJPEG!

Bill HenningBill Henning Posts: 6,445
edited 2015-06-07 18:45 in Robotics
Robots are a lot of fun.

Robots that stream video over WiFi are even more fun!

Elf_cam_face_0045.jpg

http://www.mikronauts.com/robot-zoo/elf-2wd-pi-robot/

Today I’ve updated my Elf Raspberry Pi based robot’s build log with instructions on:

adding a Raspberry Pi Camera
adding MJPG-Streamer so Elf streams what he sees over WiFi
adding a ramdisk for MJPG-Streamer so it won’t wear out the SD card

I hope you enjoy the Elf blog, and please feel free to ask any questions!

Comments

  • WhitWhit Posts: 4,191
    edited 2015-06-01 08:41
    Fantastic stuff Bill! Thanks for keeping us up on all you are doing..
  • Bill HenningBill Henning Posts: 6,445
    edited 2015-06-01 09:39
    Thanks Whit!

    Next I will get h.264 streaming working for higher resolution and frame rates... then I will add a compass to RoboPi on Elf, so that I can navigate better.

    Wifey does not know yet, but I am sorely tempted by lidar modules...
    Whit wrote: »
    Fantastic stuff Bill! Thanks for keeping us up on all you are doing..
  • WhitWhit Posts: 4,191
    edited 2015-06-01 12:18
    Don't know if you saw or remember this thread - erco is always on the hunt for a great deal - might check with him - sounds almost like a bargain - if you say it fast...

    http://forums.parallax.com/showthread.php/156627-400-360-Degree-Laser-Scanner

    Other good links there too...
  • Bill HenningBill Henning Posts: 6,445
    edited 2015-06-01 17:14
    That is a nice scanner... now how do I get it past wifey?

    Hmm... maybe a subtle hint suggesting it as a Christmas present...
    Whit wrote: »
    Don't know if you saw or remember this thread - erco is always on the hunt for a great deal - might check with him - sounds almost like a bargain - if you say it fast...

    http://forums.parallax.com/showthread.php/156627-400-360-Degree-Laser-Scanner

    Other good links there too...
  • WhitWhit Posts: 4,191
    edited 2015-06-01 20:17
    Bill Henning wrote: »
    Hmm... maybe a subtle hint suggesting it as a Christmas present...

    Subtle? I leave a detailed list...

    Father's Day, Groundhog's Day, Thanksgiving.. Whatever it takes! And check with erco again - he probably has a source on a cheaper one now!

    Good luck!
  • Bill HenningBill Henning Posts: 6,445
    edited 2015-06-02 12:55
    LOL!!!

    Thank you, that is a great idea.
    Whit wrote: »
    Subtle? I leave a detailed list...

    Father's Day, Groundhog's Day, Thanksgiving.. Whatever it takes! And check with erco again - he probably has a source on a cheaper one now!

    Good luck!
  • Bill HenningBill Henning Posts: 6,445
    edited 2015-06-07 18:45
    After some dead ends, I got h.264 streaming working following a nice simple blog article by Martin.

    1296x972 @ 24fps

    High latency though (2 sec)

    http://www.mikronauts.com/robot-zoo/elf-2wd-pi-robot/7/

    Now I need to reduce the latency...
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