How to use Rotary Encoders with your Arduino

[@comet2164]

While the ky-040 work with a Leo bonder or will it only work with a Arduino

[@philipgbullas]

pls. help how to use the button to increment or decriment the rotation ratio... let say by 2,4,6,8 and soon... and set it so the rotation ration will change. thanks.

[@steveseabrook7659]

An excellent video and I successfully used your code to drive my encoder. I found however, that an increment would only be reported every two clicks of the encoder. Any idea why that would happen please? Thanks again for the video. Really good!