The OpenBCI Galea & the Rasperry Pi broadcast.net bridge from Adafruit – outdated concepts in the year 2024?

Last Updated on April 23, 2024 by pg@petergamma.org

The OpenBCI Galea with a bit more than 16 channels costs 25 000 USD:

And the Rasperry Pi broadcast.net bridge from Adafruit offers only sensors for temperature, pressure, humidity, accelerometer, accelerometer and costs estimated around 100 USD:

Is it not better to search in an open access university library like the following for scientific papers with high-quality instructions from high-quality electronics engineers::

https://infozentrum.ethz.ch/en

for new multi-sensor devices and start soldering and coding in the year 2024, even for physiologists like Peter Gamma from www.petergamma.org?