Self-taught Kenyan engineer David Gathu has turned his ingenuity and interest in electronics into innovations that help the disabled. Here he's wearing brain-controlled prosthetic arm he autodidact cousin Moses Kiuna cobbled together from salvaged parts. The headset picks up brain signals converts them to electric current is directed a transmitter. transmitter wirelessly relays form of commands...

This paper aims at developing Brain Computer Interface (BCI) system which uses EEG signals. In this, user thinking is extracted from brain activity of healthy person. Features are extracted from pre-processed signals and classify them into their respective alpha, beta, delta and gamma signal classes. Main intension of this work is to provide better communication interface to a person using brai...