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Leon's Discussions

BOB4 - indoor Autonomous coaxial Helicopter

Started this discussion. Last reply by Leon Aug 9, 2011. 2 Replies

Hi everybody. I am new to this community. I am from France, and I am building robots as a hobby.I have just begun a new project called “BOB4”, which will be my 4th robot. (my previous robot can be…Continue


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Profile Information

About Me:
French hobbyist
Please tell us a bit about your UAV interest
I plan to build an indoor autonomous UAV, based on a coaxial helicopter.

Leon's Blog

BOB4 - new website in english! (Indoor UAV)

Posted on February 12, 2012 at 1:30am 7 Comments

I finally translated all the website of my home-made UAV in english.



3D position estimation with a Wii-Remote camera

Posted on September 3, 2011 at 12:14pm 16 Comments



In this video, I am using a UMI, a sonar for altitude, and a wii-remote camera. The wii-remote camera is a very small camera that is included in the wii-remote.

The wii-remote camera gives directly the 2D coordinates of the IR spots in the image. It's interface is I2C. This is really a great sensor!


On my UAV, the wii-remote camera looks under.


I put IR LEDs on the floor.…


BOB4 - autonomous indoor translations

Posted on February 13, 2011 at 8:50am 4 Comments

On this video, you can see another autonomous indoor flight. I just implemented translations displacements.


I still plan to take part to the IMAV2011 indoor competition.

The next task is to implement simple vision sensors so that the heli can locate itself even without walls…


BOB4 - another autonomous indoor flight

Posted on February 6, 2011 at 11:46am 10 Comments

Here is another autonomous flight. The UAV just tries to hold a fixed position.

Remember that this UAV is 100% autonomous with its own sensors (sonars + IMU + magneto).

The autonomous part of the flight begins at…


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