Project 2012: Unspoken Speech Detection Using a Brain-Computer Interface

 

 

 

 

 

 

Building the Low-Noise EEG:

The EEG was built using a TI 1298 Analog to Digital chip.  The 1298 chip was obtained in the form of a demonstrator board initially designed for ECG operation, and was heavily modified so that the demonstrator board was powered by and controlled using an Arduino Uno R3 controller board.  The data interface type was SPI.  The modifications are shown here: