Thanks for the fast reply ( again )!
I had actually checked your thread and the blueprint ingame (plus this thread), but couldn't figure out how the list was stable and incremented and assumed it was tied to the resetting every minute, which I don't want to have (sometimes a specific ingredient that ...

While I was playing through Py I got the urge to make a setup (that will work for vanilla too ofc) that fulfils specific conditions to make items I don't want to have a constant supply of (mainly buildings, which for Py are many, usually needed in low quantities and need big amounts and number of ...

Thanks. And the inactive constant combinator/display seems elegant enough in congested areas indeed.

Thank you very much for the detailed answer and the helpful demonstrations! It works as I hoped, irregardless of the nature of the stalling (one lane only for example), and is very compact as well.
I really need to wrap my head around the logic signals I think. I guess the different colour signals ...

I have a question that I wasn’t able to find a relevant answer for after searching and I hope you could help me.
I want to have a signal for when a belt backs up and stops moving. Right now I’m thinking about a decider that checks if two signals are both true, one for if a belt has stopped moving ...