NEW HOLTER MEDILOG AR sold by Schiller Switzerland: press next for the next video in the playlist. Is the HOLTER MEDILOG AR based on OpenBCI Cyton? Did someone already make a tear-down? Since 3 channel ECG gold standard devices can also be built from OpenBCI: https://www.cell.com/heliyon/pdf/S2405-8440(21)01251-2.pdf or PiEEG: with HeartPy https://python-heart-rate-analysis-toolkit.readthedocs.io/en/latest Information for product sellers …