To build a low-cost high-quality 32 channel EEG headset from four PiEEG’s easier than from 4 TI ADS1299EEG-FE boards (part II)?

To develop a EEG device based on OpenBCI and InfluxDB would require a hardware change. All channels need to sampled at exactly the same time. If not certain parameters such as phase, coherence, etc. Are not available. But has this knowledge been implemented in the paper of Indonesian scientists in the paper: «Development of Electroencephalography …