Desıgn of Brain-Computer Interface for Controlling A Virtual Keyboard

The Brain Computer Interface (BCI) is a way of communication which linkage between the human brain and an external device. In this project, it was tried to obtain a related algorithm by taking the feature extraction of EEG data from different subjects and it was tried to provide a simple designed virtual keyboard control which is one of the usage areas of BCI. The virtual keyboard was created in Visual Studio. Spectral features were obtained in Matlab using EEG signals recorded from 7 different volunteers. In order to select the letters using these features, Matlab's fuzzy logic designer toolbox was used. When the letters were selected, it is aimed to communicate with the virtual keyboard. As a result, fuzzy logic rules were determined by using the obtained features and it was observed that the correct choices were made against the randomly entered values.