The CS200 treadmill developed by meditator & Schiller medical Switzerland CEO Alfred E. Schiller for around 20 000 USD
And the g.Nautilus Multi-Purpose EEG Headset g.tec medical engineering for 50 000 USD:
developed by the meditators and g.tec founders Dr. Christoph Guger and Dr. Günter Edlinger:
But aren t these two devices hardly sold anymore since InfluxDB? And new devices at the same level based on InfluxDB cost eventually even more:
https://petergamma.org/category/influxdb
But which meditators use physiological multi-devices anyway? Milarepa did not need these:
And for those who want to start build new devices, InfluxDB devices at the level of How To Electronics from India is not a bad choice:
IoT Based Patient Health Monitoring System using ESP32 Web Server
But avoid as much as possible YouTube, since aren t these many product which have been given up there which are sold there by supported people? And the better choice is a good library which is free from product sellers: