Last Updated on March 8, 2025 by pg@petergamma.org
One of best devices for meditators is the Garmin Fenix 6
It shows resting heart rate and respiration rate. These two parameters belong the most important tools for meditators like Peter Gamma from www.petergamma.org.
And Peter is very negative about Rob ter Horst and his scientific reviews about smartwatches:
Does Rob ter Horst not make people believe that smartwatches are tools which are interesting for scientists? But they are not:
And should Rob ter Horst not be banned from YouTube because of that?
What is your opinion about this topic? Write it in the comments below. On the contrast, tools such the iWorx TA 220 can be bought used on eBay starting from around 1 200 USD. Software is usually included from iWorx, but usually not from eBay sellers of iWorx products. So you have to pay additionally 1 000 USD for the iWorx software. Iworx recorders have an interface for Matlab. But Matlab is expensive. You can use Octave instead. But who uses Matlab and Octave for his homelab. If we are un a budget, who does not use Python instead. Octave can be used with Python. But is this not all too complicated.
OpenBCI has some Python interfaces. And that makes it easer. OpenBCI Ganglion offers 4 channel for research grade applications. This is sufficent for a 3 channel ECG device and additionally a spirometer. The best low-cost hiqh-quality spirometer Peter found is from used iWorx devices. And is should be not too difficult to attach this to OpenBCI Ganglion. For ECG we have HeartPy, and for a spirometer peak detection alogrithms are required. They can be found for Matlab, but also for Python.
So what are OpenBCI developers waiting for if they are looking for a new demo?
Since devices built from InfluxDB are still much more complicated:
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