Speculations about who sells and produces the most low-cost high-quality EEG devices for scientists who want to be taken serious

We found on Aliexpress offers for OpenBCI cable modules starting from 230 USD. 16 channel versions can be found for around 550 USD, Ultracortex Mark alternatives can be found for 230 USD, an updated WIFI shield can be found for 160 USD. We would not be surprised if people like these guys here, which show …