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Is somebody in here interested in a pretty designed puzzle, made out of digital circuits?
I can highly recommend my " PortCalc " for binarylogicians like us ^_-
So you probably can build the 4 digit one without splitting them.
http://gtm.steamproxy.vip/sharedfiles/filedetails/?id=87531822
I'm with Geneosis. This is a very interesting thing but I'd like to know how. Maybe you can write a connection list. You see what I mean when you visit some of my circuitry maps and look into the description.