Special combinator to give information about items, fluids, receipes etc
Mods introducing new content into the game.
Entities which interact with the circuit network.
It would be nice, to use the recipe combinator with compakt circiuts: https://mods.factorio.com/mod/compaktcircuit
The creator of Compakt Circuit has a small documentation and an example of how other mods can make combinators compatible!
https://mods.factorio.com/mod/compaktcircuit
