An absurdly small tri-copter

tricop

The team behind the Femtoduino – an extraordinarily small repackaging of the Arduino – sent in a few videos from YouTuber [phineasIV], a.k.a. [Eric] that shows one of the smallest multicopters we’ve ever seen.

Because this isn’t a traditional quad or hexcopter, the control system is a little weird. Two of the motors and props are fixed along the vertical axis, while the rear prop is connected to a small servo to rotate from side to side. Still, the electronics are fairly standard for any multi rotor vehicle – a triple-axis gyro provides the stability of the vehicle coupled with MultiWii, while an amazingly small servo receiver, Bluetooth module,, Femtoduino, and a trio of brushless ESCs tie everything together.

The end result is a tri-copter that weighs about the same as the Crazyflie Nano Quadcopter, but is just a bit smaller. As impressive as it is on video (seen below), we’d love to see this tiny robotic hummingbird in person.

Comments

  1. Special_K says:

    Make a bundle and sell it !

  2. ibster says:

    The Bluetooth module for PID tuning is a clever idea! Maybe implement battery-voltage measurement into it.

  3. Hack says:

    Damn, it amazes me how far tech has come since I was in highschool. It seems like there is no limit to what can be done with a few dollars, and internet connection and a list of electronics supplier websites.

  4. Error_user_unknown says:

    That is one sexy little copter. the only question is how much smaller can they be ?? + 1

  5. Wonder how it works in wind. I bought an AR Drone awhile back and it hates the wind.

  6. kerimil says:

    hmm interesting I wonder if one could replace the Wii with a smartphone and use the method I used here -> http://www.youtube.com/watch?v=41MRGjdVIMQ to send accelerometer data (+possibly GPS) to arduino. It would be interesting to see if it could work with a non realtime system such as android. Though I’d rather have seperate accelerometer for reliability and use the phone for gps only and as an IP cam

  7. AKA the A says:

    Change battery for supercap, make a charging station, come up with a way for the copter to hover and charge -> ACTUAL humming bird tricopter…
    Or maybe even add a few more copters and have the most awesome (and most annoying :P) home decoration :D

  8. Franklin says:

    This one weights 20g while the Crazyflie Nano Quadcopter weights 125g. Quite a difference

  9. Josh Martin says:

    I own an Armattan quad that is plain awesome, fast, you can crash it a ton, and so forth.
    My vision is poor and I want a smaller quad so I can fly closer to myself, plus not worry about hacking someone with it. A little tri copter could be the ticket :)

  10. Republicou isso em Julio Della Flora.

  11. KD says:

    A Walk-through on how to get started on making this would be so Bom!!!..
    always cooler to build it yourself than buy it right..

  12. Tomasz Witko says:

    I want to build one, really bad lol. Any suggestions parts list, A custom board with parts solered on might be nice though, smaller.

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