which we mentioned here: The validity and reliability of an open source biosensing board to quantify heart rate variability https://scholar.google.com/scholar?hl=de&as_sdt=0%2C5&q=1.+The+validity+and+reliability+of+an+open+source+biosensing+board+to+quantify+heart+rate+variability&btnG= published in Heliyon, 2021, 5 citations to this date. A Novel OpenBCI Framework for EEG-Based Neurophysiological Experiments https://scholar.google.com/scholar?hl=de&as_sdt=0%2C5&q=A+Novel+OpenBCI+Framework+for+EEG-Based+Neurophysiological+Experiments&btnG= Published in Sensors, 2023, 6 citations to this date.