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paul.notebook

#robotics

3 posts

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  1. № 013

    A mini Figure AI in three minutes: one camera, one arm

    Figure's humanoids work from the cameras in their heads. This is the smallest version I could build from scratch: an arm made of boxes that picks a block up and puts it where you say, from one 48 × 48 camera. Knock the camera and it still gets there; a cut-down version trains in your browser in three minutes.

    Interactive

    12 min
  2. № 008

    Drawing the map while finding yourself on it — SLAM from scratch

    A small car with no GPS and no map has to draw the map and find itself on it at the same time. Drive it round a loop, watch its map bend, and watch the whole thing snap straight the moment it gets back to where it started.

    Interactive

    8 min
  3. № 006

    A robot dog in the browser: its walking policy is four matrix multiplications

    MuJoCo compiled to WebAssembly plus the walking policy Deep Robotics published make a Lite3 walk in your browser. Then you try to knock it over: blindfold its senses, shove it, detune its motors.

    Interactive

    9 min