7400 competition entry: Hacky random number generator / cat toy

Want to make your own toy for your cat? Tom’s random number generator shows you how:

I decided to make a true random number generator. In particular, I wanted a latching RNG — not merely a continuous stream of numbers, but a continuous stream which I could sample at intervals.┬áThe circuit would be made up of a minimal number of digital logic parts. And deliberately inducing noise into the digital circuit would involve breaking all the usual design rules, which is fun.

Build something that uses or abuses a logic chip and get amazing boards, tools, and other swag. The Open 7400 Logic Competition promotes awareness of the basic building blocks of modern circuits. Devious geeks ignited the computer revolution with discrete logic computers, what can you do? Details and entry form here.

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