This was a hot thing a few years ago. These guys still seem to be around: https://techcrunch.com/2013/06/05/thalmic-labs-raises-14-5m-to-make-the-myo-armband-t

This was a hot thing a few years ago. These guys still seem to be around: https://techcrunch.com/2013/06/05/thalmic-labs-raises-14-5m-to-make-the-myo-armband-the-next-big-thing-in-gesture-control/ https://techcrunch.com/2013/06/05/thalmic-labs-raises-14-5m-... https://www.myo.com https://www.myo.com