This movie demonstrates how the tricopter hovers autonomously inside a room. There are three LEDs fixed to the copter which are filmed by a webcam from below. A Matlab script then makes the copter hover in place.

Comments

  1. Brilliant! May I ask, what kind of IR-LEDs you are using? It looks like you're screening the webcam against normal light with a photographic film. Is it that simple or have treated the film in some way?

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  2. Hi!
    Yes it is that simple. The photografic film (negative) is only translucent for infrared light. The IR diodes I am using now (different from the ones in this video) have 100mA and I use always groups of 5 LEDs (20 in total). That gives a lot of light.

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