Rotary encoders are soooo much fun ... incremental value for querying at any time over I2C. Plug it in with a Stemma QT cable for instant rotary goodness, with any kind of microcontroller from an ...

White 0.96" I2C 128X64 OLED LCD Display Module : eBay (gc_supermarket ... lines, circles, etc.). Rotary Encoder Module (KY-040) <--- Download Datasheet & Extra Arduino Sketch eBay for 0.99 USD Arduino ...

Rotary encoders are pretty common devices ... and user data storage (128 bytes). I2C Encoder V2 is compatible with any device that has the I2C bus including Arduino, Raspberry pi, and ESP8266. and you ...