Thank you zebediah for your help! :) Your prototype does work, although I did notice that one of the signals would increment indefinitely until the inserter was activated again, not sure whether that would be a problem or not. But nonetheless, I tweaked it a bit to suit the need a bit better ...

While making a station for my red circuit factory, I came across a small limitation of "Inactivity" timer on stations. Meanwhile it is extremely useful in many cases, the minimum timer of 5 seconds resulted in a weird issue. As the items are unloaded into buffer chests, the the same items are ...