Connect the shield to Jetson Nano and after that connect the device to a battery (power supply) and connect electrodes.
Full galvanic isolation from mains required.
This also applies to the monitor. Use only a monitor that is powered by the Jetson Nano.
ADS1299 allow measure 8 biosignals
Shiled connceted with JetsonNano only in the next points
For signal processing can be used Python scripts
Soon will be published