This Arduino library decodes bidirectional toggle switches (e.g., ALPS SSCM110100) as rotary encoders. It tracks switch toggling triggered by gears or mechanical rotation, determining clockwise (CW) ...

RT & Arduino experiment was successfully conducted at my own lab using the ALPS-EC11E RT and Arduino UNO-R3, ported with a sketch borrowed from the web. You may ask why I did not prepare my own sketch ...