Last Updated on March 1, 2022 by pg@petergamma.org Greentek Sensors has a new EEG cap which can be applied in about five minutes or less and removed in seconds. A previous model of the Greentek Gelfree cap could be applied in about 30 minutes. https://openbci.com/forum/index.php?p=/discussion/1663/greentek-gelfree-s-eeg-cap The Greentek S3 has become a device for daily use, … Continue reading GREENTEK EEG Cap Gelfree-S3