Abstract
In India most of the people lost their hand due to road accident, disease and soldiers lost their
arm in war. This paper describes the design which controls the hand motion and wrist motion of
Myoelectric controlled prosthetic arm using cortex M3 microcontroller. In this design electromyogram
signals are generated by contracting the muscles of biceps and sensed by electrode sensors. Electrode
sensors produce the electrical signals and these signals are processed by microcontroller and achieve the
supination motion from 00 to 750 and pronation motion from 00 to 850 in the wrist of hand12.
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