I suppose it depends on one's interests. For example one could try to clone many of these: https://en.wikipedia.org/wiki/List_of_7400-series_integrated_circuit

I suppose it depends on one's interests. For example one could try to clone many of these: https://en.wikipedia.org/wiki/List_of_7400-series_integrated_circuits https://en.wikipedia.org/wiki/List_of_7400-series_integrated... Another fun project idea. Make a 1bit processor slice. Then show how many slices can make a larger system. Similar to: "Using LSI processor bit-slices to build a PDP-11—A case study in microcomputer design" https://dl.acm.org/doi/pdf/10.1145/1499402.1499444 https://dl.acm.org/doi/pdf/10.1145/1499402.1499444