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7400 Logic RNG / Cat Toy

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T

t0m

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I made a true random number generator from a 74HC595 shift register and a 74HC04 hex inverter. With the addition of a 4538 precision monostable and a few passive components, I had a randomly twirling laser cat toy.

rng8.png


https://smokedprojects.blogspot.com/2012/10/hacky-random-number-generator-cat-toy.html
 

There's an error on the schematic. The hex inverter is 74HC04 not 74HC14.
 

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