utwitch4
Yurex usb twitch/jiggle of knee sensor
Usage
utwitch* at uhidev?
Overview
The utwitch driver provides support for the Maywa-denki & KAYAC YUREX device. The device has a sensor to count user's leg twitch and it possesses a collection of sensor values which are made available through the sysctl(8) interface. The counter unit for twitch is "BBU" (BinBo-YUsuri or Bounding Body from Unconsciousness) and the unit for BBU speed is "mBBU/sec" (milli BBU per second).
Releases
33 releases since OpenBSD 4.9; the text changed 3 times.