A nice enhancement to the round robot, that allready has a raspberry pi camera 3, would be the a microphone. The Raspberry Pi Zero W v1.1 does not have a built-in analog-to-digital converter (ADC) to ...
This project demonstrates the design and development of an open-source, homebrew single-lead EEG acquisition and preprocessing system. It spans circuit-level prototyping, simulation (Simscape), ...