As you can see, the top line produces Advanced Circuits and the bottom line produces SP3s. The top line is producing circuits much faster than the bottom line can use them, and I have other needs for advanced circuits. So I thought, what if I can have some sort of signal that turns on only when the whole belt is full of circuits, which then turns on an inserter into a provider chest? That would mean I won't have to produce another line for advanced circuits just in the case that I need some. If I want to make a new factory that also needs advanced circuits, I'll have a dedicated line for it, but I occasionally need to craft stuff myself with advanced circuits. That takes too long and I think that this setup would work better, if possible.
I've tried this by extending the belt and putting a normal inserter at the end, but that just sucks up all the circuits without allowing it to buffer in case a new batch of filter inserters comes in.
So in short: I want to have some kind of device near the beginning of the belt, that emits a circuit network signal when the belt is full of advanced circuits. This signal turns on an inserter, which puts the circuits into a provider chest.
My questions are, is this possible, and what device do I need for this?
