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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

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.

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