If we look at the number of pages we have written in our journal it is a device which is based on: OpenBCI with with 328 posts to this date: https://petergamma.org/tag/openbci/ in association with a Raspberry Pi with 94 posts to this date: https://petergamma.org/tag/raspberry-pi/ for ECG with with 407 posts to this date: https://petergamma.org/category/ecg-devices/ and … Continue reading 093. Low-cost high-quality physiological sensor devices with the highest number of citations in our journal