As stated, the rotary encoder has 2 coding pins that are either HIGH (1) or LOW (0). If you treat the pins as binary, you can read them as 00, 01, 10, or 11 (sequence the encoder outputs while ...

A 2-pin rotary encoder therefore needs four resistors. Four resistors make up a 2-bit R-2R DA converter. Pull-up resistors are required too, otherwise there is no voltage to convert. Such a circuit ...

Rotary encoders are pretty interesting pieces of technology. They’re a solid way to accurately measure rotation including the direction. [David] recently wrote some software to handle these i… ...

3. Default Pin Configuration and Power Saving By default, the RotEncoder class uses digital pins 2 and 3 on the Arduino Nano (or similar boards) for rotary encoder inputs. These pins support ...

SmartEncoder Arduino friendly, serially addressable, ATTINY85 based rotary encoders. Reduce the pin count from 3 * n where n is the number of encoders (pins A, B and button C) to 2 total. Serial in, ...