Which Low Cost High Quality ECG device to Choose Now?

If the PLUX Biosignals Youtube channel has too little videos which might be interesting for us, currently only two: https://www.youtube.com/channel/UCcWcxxG5TrksCFyDodY4ymw we can find more PLUX Biosignals on Youtube outside of the channel. But there is also the channel from the Simon Fraser University in Canada about Wearable Technology and Human Physiology: https://www.youtube.com/channel/UClU9XVBC0mDwJBIVJTUbtwg/videos Joined Sep 11, …