I coded a simplex 4002 in scratch and it workshttps://scratch.mit.edu/projects/1240595190
I also made one of an EST3 with the Edwards ANS25 voice evac tone. I’m gonna add a few other things. if you want to see it too let me know.
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this is the est3 https://scratch.mit.edu/projects/1244425604
and yes, I used a star trek sound for the Edwards ANS Tone. it’s like an exact match.