I assembled an Openbionics hand as a first step in prototyping prosthetic limbs for Limbs with Love. The fingers are moved by linear actuators which are controlled by an Almond PCB board (programmed using Arduino). Here is a video showing the hand in action. One of the fingers was not working because a connection in the Almond board was malfunctioning.

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[https://youtu.be/awTZL6XN8p8]