- Datasheet here. - https://s5.electrodragon.com/wp-content/uploads/2014/06/EC11.pdf
- Rotary Encoder Tutorial and Arduino Project. - http://www.circuitsathome.com/mcu/programming/reading-rotary-encoder-on-arduino
- Example Arduino Project. Thanks Steve! - http://www.sparkfun.com/datasheets/Components/RotaryEncoder.pde
- Example Cooking Timer - http://www.pavius.net/articles/development/81-rotary-encoder-based-cooking-timer
- bildr Tutorial - http://bildr.org/2012/08/rotary-encoder-arduino/
https://www.electrodragon.com/product/5pcs-rotary-encoder/