One of the most interesting devices for really serious scientists are treadmills. The most affordable low-cost high-quality treadmill we know for Swiss costumers is the ADVG Curved Treadmill from UK: https://forums.raspberrypi.com/viewtopic.php?p=2183857#p2183857 https://www.google.ch/search?lr=&sca_esv=dd94ec39bb071d4b&as_qdr=all&sxsrf=ACQVn0-YxhUuhxVmbJXYNiuyAiQ2Z3IrAQ:1711550329662&q=treadmill+eeg&tbm=isch&source=lnms&prmd=ivnmbtz&sa=X&ved=2ahUKEwiOnajr1ZSFAxUQgv0HHXt-BCMQ0pQJegQIDBAB&biw=1344&bih=649&dpr=1.43 https://www.mdpi.com/1424-8220/20/24/7250 We found here a solution for a treadmill with ECG in the Dr’s Toy Store: But unfortunately this device costs 23 000 …