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TTL emulator

I know you can buy 74LS293s for $1 from Mouser. I did this 100% for amusement value, because misapplying technology like this makes me giggle, not because I couldn't figure out another way to replace a 4 bit binary counter. Though it did get me the immediate gratification of having it working that same night, instead of having to wait for a package in the mail. :)

 

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Uploaded on February 20, 2009