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Designing a modular and ambidextrous four-fingered robot hand

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Designing a modular and ambidextrous four-fingered robot hand

Arduino TeamSeptember 4th, 2019

Gray Eldritch (AKA The Technomanc3r) has been working on a robotic hand for some time now, and has settled (so far) on a design with three independent servo-actuated fingers and a thumb. He’s also implemented a wrist assembly to rotate it back and forth, with an Arduino Uno hidden inside for an entirely self-contained gripper unit.

Each of the three fingers is controlled by a single MG996R servo, as is the wrist, while the thumb adds a second SG90 servo to allow it to move on two axes. The fingers are modular, so they can be swapped out as needed, and you even change the thumb position for ambidextrous operation. 

It remains to be seen what Eldritch plans to do with the gripper, but it looks brilliant by itself in the video below.

[youtube https://www.youtube.com/watch?v=Ocl3HEsCcv4?feature=oembed&w=500&h=281]

Website: LINK

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