Srsly, is this a ten digit numerical wordle or cows and bulls kinda puzzle? I am out!
I could never solve it. It is not too hard to dial in a combination if you know it. I would like to see the number I guessed left, along with the LED "score" until I click to start a new guess.
In this post is some rotary encoder stuff for MEGA, info collected in responding to that thread. I think we took the original code for the scheme from the same place, or from places that took it from the same place.
And in the wokwi HERE.
HTH
a7