And are these for instance the advisors in the EEVBLOG? https://www.eevblog.com/forum/testgear/how-to-solve-the-ti-ads1299-eeg-demo-kit-is-not-save-for-humans-problem After reviewing about topics like these, Peter Gamma from www.petergamma.org again and again is asking the question in the title. https://petergamma.org/category/is-this-product-part-of-a-marketing-trust-marketing-trusts-are-forbitten-in-switzerland Would not be an EEG device with a Raspberry Pi 4 be in principle an interesting device? But exactly these devices seem not …