Krisztián Hofstädter had several demos how to use the Greentek Gelfree EEG cap on his YouTube channel. These demos have disappeared from there. Instead, Greentek EEG cap demos can newly be found SMARTING EEG: Smarting EEG devices are more expensive than OpenBCI devices.Also Krisztián Hofstädter had OpenBCI Greentek EEG cap demos: But they have disappeared …
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