I suggest you go with techroomt's recommendation.Thanks. My skills are basic enough that I need a schematic. Theory won't do it for me.
That looks like it may work for what I need. Anyone have a schematic I can use? I just need to be able to turn a 10 position rotary switch to make a 7 segment LED display #'s 0-9.a 10 line to 4 line encoder (74147 or equiv) and a bcd to 7 seg/decoder/driver (7447a or equiv) should do the trick. these can be had in ttl or cmos families.
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