This part is a kind of semiconductor called BMD101.

Function of this product has generation bio-signal detection and processing SoC device.

Manufacturers : NeuroSky

Image and pinout :

Some of the text within the PDF file :

BMD101 Product Brief (Preliminary) 2012 BMD101 Product Brief (Preliminary) Information in this document is subject to change without notice. © 2006-2012 NeuroSky Inc. All rights reserved. Reproduction in any manner whatsoever without the written permission of NeuroSky Inc. is strictly forbidden. Registered mark used in this text: NeuroSky® is registered mark of NeuroSky Inc. Last Updated: June 11, 2012 Rev 0.9.2 NeuroSky BMD101 Product Brief Rev 0.9.2 NeuroSky Confidential Page 1 BMD101 Product Brief (Preliminary) 2012 Table of Contents Features and Benefits ..................................................................................................................................................... 3 High Performance Bio-Signal System-on-Chip (SoC).......................... [ ... ]

BMD101 PDF Datasheet Download