4xAD7779ACPZ 16 kSPS,
ADR4525BRZ 2.5V REF +-0.02%,
STM32F765ZIT6 MCU 462 DMIPS
https://hackaday.io/project/165748-freeeeg32-prealpha2
https://github.com/neuroidss/FreeEEG32-prealpha2
https://docs.google.com/spreadsheets/d/1kesq1XXx1iv3tl-mmWqGlSoi6JrNICaZ...