How can we build a multi-channel EEG device from TGAM modules, A/D converters, Raspberry Pi’s & InfluxDB

What can we do if we again have problems with a product which is based on the ADS1299 EEG chip from Texas Instruments, as we had it almost always with this chip? We can build our own physiological multi-sensor device as Hugo Plácido da Silva with his BITalino did it. We suppose that similar to …