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Finger exoskeleton
	Alex Birdwell and Aaron Ferber built a finger exoskeleton
	A small geared motor actuates the joint via a 4-bar linkage
	Bend sensors monitor the wearer's fingertip to determine when joint motion is desired
	The joint angle is monitored by an analog hall sensor; the proximity of a small magnet changes as the joint moves
	Click on the image to see a five second .MOV movie of the finger exo in action.

Finger exoskeleton