trigor_mortse/.pio/libdeps/attiny88/Encoder/README.md

Encoder Library

Encoder counts pulses from quadrature encoded signals, which are commonly available from rotary knobs, motor or shaft sensors and other position sensors.

http://www.pjrc.com/teensy/td_libs_Encoder.html

http://www.youtube.com/watch?v=2puhIong-cs