Cheap and cheerful.

This library implements non-blocking functions to detect encoder rotation actions. The library can handle multiple encoders. For rotary encoders with an integrated push-button switch, this library can ...

Abstract: This paper presents a precision capacitive rotary encoder that integrates a shared charge amplifier, and a multi-stage offset calibration scheme. Recently, capacitive encoders have gained ...

Arduino library for the KY-040 Encoder. This library allows the user to connect one or more encoders to any of the interrupt pins supported by your board. The user may then add rotaries that will each ...