GitHub

Arduino library for a PCF8575 based rotary decoder - supports 5 rotary encoders with a switch.

This library uses a PCF8575 to read the pulses of a rotary encoder. As a PCF8575 has 16 lines up to 5 decoders with a switch can be read over I2C. The PCF interrupt line can be used to detect changes ...
GitHub

vaculiko/arduino-lcd-encoder-menu

The REBL_UI offers a simple way to build a user interface with a Rotary Encoder, a Button, and an LCD. Currently it is set up for 16x2 LCD, but could easily be changed to whatever. It includes a very ...
Electronics Weekly

Rotary encoder decode for Arduino

“I looked at all the available rotary encoder sketches and none of them met my needs, so I have written my own, and here it is”. Well, I looked at all the available rotary encoder sketches and none of ...
Electronics Weekly

Arduino: switch/case of if/then(/else) for state machines

Making time for my next small Arduino project, I need to do something with the rotary encoder direction information decoded by this software. A state machine is what I need, but how to implement it?