Myoelectric Prosthetic Hand by Nikhil Singhal and April Li

The purpose of this project was to create a low ­cost myoelectric prosthetic hand so that this much ­needed technology becomes more accessible to the general populace. We found and modified a 3D­printed wrist­ actuated prosthetic hand design by setting up servos inside the palm to control the individual fingers. Electric signals from the arm were picked up by homemade electrodes and amplified and filtered by an op­amp circuit, and processed and converted to servo instructions. Individual finger movements were successfully isolated and prosthetic fingers moved accordingly.

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