This has already been suggested two months ago in the following thread:

https://forums.factorio.com/viewtopic.php?f=6&t=56520 Circuit network connections for splitters

@Mods: I suggest that the threads get merged.
Oh...huh. I guess I didn't look back far enough. Thanks for the link!
Honestly, I ...

TL;DR
Connect signal wires to splitters to determine input and/or output priorities.


What ?
We should be able to connect signal wires to each side of a splitter to set the splitter's input and output priorities. Perhaps green wires control input, and red wires control output. Or vice-versa, it ...

When trying to set a connector down in the underground, hovering over an opening works (by the way, just about every reference to "opening" is misspelled as "openign"), but when I try to hover over a chest, it just says "It is a container!" over and over again. (Notably, I see the "was here" message ...

Can't leave the 13.0 one in either. Just ditch the entire migrations folder and it works fine.
That worked, but it didn't enable the recyclers to be crafted. I found a way around this, however...

Depending on how many levels of automation you've already researched, run these console commands:

/c ...

I'll give that a shot in a little while. Thanks for the tip!

Oof...damn...and I was hoping to be able to run it in my current save. Ah well...

I used this mod and attempted to load up my 0.12.33 save with it. I received this error message:

"Error while applying migration: Recycling Machines: ZRecycling_0.12.33.lua

Cannot execute command. Error: [string "-- ..."]: 16: attempt to index global 'ZRecycling' (a nil value)"

Starting a new ...

I used this mod and attempted to load up my 0.12.33 save with it. I received this error message:

"Error while applying migration: Recycling Machines: ZRecycling_0.12.33.lua

Cannot execute command. Error: [string "-- ..."]: 16: attempt to index global 'ZRecycling' (a nil value)"

Starting a new ...