At first sight Krisztián Hofstädter’s OpenBCI setup with the Greentek Gelfree-S3 looks as if it would be a perfect setup for meditators: Krisztián Hofstädter’s has written a PhD. thesis with the title: ‘Developing a Brain-Computer Music Interface for Meditation“ https://www.researchgate.net/publication/368365376_Developing_Brain-Computer_Music_Interfaces_for_Meditation And his setup is interesting for people who are interested in meditation. But after Peter …