Rotary encoder vs potentiometer. A rotary encoder is a wonderful digital alternative to the old analog potentiometers. Rotary encoders are useful as rotation sensors (or selectors) and look similar to ...

Read1() and write1() are functions to access the pins of the PCF8574 that are not used for rotary encoders. The user must guard that especially writing the pins do not interfere with the rotary ...

It is amazing how many Arduino programmes for decoding rotary encoders start with something like: "I looked at all the available rotary encoder sketches. About Us; Contact Us; ... // Encoder 1 pin A ...

Rotary encoder – Four-legged copper top pin knob option; USB – 1x USB Type-C power for power, connection to the host, and programming; ... The GC9107 display driver is compatible with popular Arduino ...