Rotary Encoder/Pulse Generator 20 steps
Product information:
This rotary encoder switch gives a pulse at each step on the output to the microprocessor (e.g. Arduino). You can see which way the switch is turned and if it is in the zero position.
Unlike a potentiometer, the rotary encoder has no limit on the number of times it can rotate.
You can also press the button to turn it into a menu button.
Dimensions: 31x19x29mm.
Voltage: 5V
See also: https://www.bitsandparts.nl/Knoppen/c1-17-63