Since Peter Gamma from www.petergamma.org was asking how to build affordable EEG devices in the EEVBLOG: https://www.eevblog.com/forum/testgear/how-to-solve-the-ti-ads1299-eeg-demo-kit-is-not-save-for-humans-problem New affordable EEG devices came onto the market, such as OpenBCI modules on eBay and Aliexpress with a WIFI shield which has issues with packet-loss and noise spiking starting from 340 USD: Or the «BEATS» 32 channel EEG …