Irene Vigué-Guix, PhD. uses products from OpenBCI: but not Flavio Frohlich, PhD. Flavio Frohlich has built his own device, which is not based on OpenBCI and PiEEG. Is this the reason Flavio is such a happy person? But Flavio Frohlich is also interested in low-cost high-quality EEG devices. He can find those in the journal …