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Ben built a simple sensor that counts the number of revolutions his pet hedgehog’s wheel goes through, and then automatically blogs about it each day – Link to blog & photos.

Phillip Torrone

Phillip Torrone

Editor at large – Make magazine. Creative director – Adafruit Industries, contributing editor – Popular Science. Previously: Founded – Hack-a-Day, how-to editor – Engadget, Director of product development – Fallon Worldwide, Technology Director – Braincraft.


6 Responses to Hedgehog wheel sensor/counter

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  1. anyone know where you get a pet hedgehog/groundhog?

    my girlfriend would pee her pants with happiness if i could get that.

    ~JSlice

  2. @JSlice:

    The pet store.

  3. Hey Ben!
    how did you build that sensor that counts the number of revolutions for your hedgehog wheel?

  4. Hey Ben!
    how did you build that sensor that counts the number of revolutions for your hedgehog wheel?
    ~Julie

  5. Hey Ben!
    how did you build that sensor that counts the number of revolutions for your hedgehog wheel?
    ~Julie

  6. Hey Ben!
    how did you build that sensor that counts the number of revolutions for your hedgehog wheel?
    ~Julie

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