A Library for the Arduino environment for using a rotary encoder as an input.
Interfacing Rotary Encoder with AVR Microcontroller (ATmega8)
Rotary Encoder in ASM | AVR Freaks
Interactive Menus for your project with a Display and an Encoder - Tutorials
Lightweight Arduino Library for Rotary Encoder - Sensors - Arduino Forum
Lightweight Arduino Library for Rotary Encoder - Sensors - Arduino Forum
Interfacing rotary encoder to Atmega32 - ATMega32 AVR
Technoblogy - Bounce-Free Rotary Encoder
Arduino Enigma Machine Simulator : Pure software debouncing of a noisy RE11 Rotary Encoder / Audio Digital Potentiometer without using external capacitors