Widget that measure stroke rates in rowing boats. No fancy sensor measurements. It works just by pressing the start/enter button.
You press the button at each stroke (or touch the screen if the device has a touch-screen). After 3 strokes the average stroke rate is displayed. You can continue measuring the strokes to increase precision.
If you do not press the button for 5 seconds, the measuring restarts at the next press.
It is meant to by used by the cox in the boat. Or by a coach watching the boat.