Factorio CHOOCHOO 7 Segment Display
These groups of trains are all one pixel each. Here I have a lot of stations set up to request trains based on what information I want displayed. The Combinators enable and disable stations based on what number is displayed. Here is a practical demonstration. The current number is 1, but if I change this x value to 23, the trains will move accordingly. It is a bit cumbersome, and requires some imagination. I considered larger groups, but that would also have driven me insane.
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