The quadrature encoder with acceleration would seem easiest, but it still needs coding. My bright (I claim…) idea is to use two potentiometers connected to two analogue arduino inputs (method ... and ...

The LS7366R IC performs decoding and counting of quadrature ... from the encoder and a count limit of 232. A serial interface (SPI) greatly reduces the required IO wire count as compared to ...

UNTERPREMSTAETTEN, Austria--(BUSINESS WIRE)--The new AS5601 ... for conventional rotary encoders, while providing a software-compatible incremental quadrature output. In devices which use rotary ...