yes it’s possible to update the firmware quite easily.

unfortunately for this 4hp unit we had to make a custom header for programming, so it’s not exactly straightforward. i’ll find a minute to publish a pinout

Just wanna say of all the brilliant things you guys have made, teletype is the dopest. Can’t recommend more strongly to anybody on the fence. Thank you!

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Just getting back into working with TT

I can confirm that IN.CAL.MIN and IN.CAL.MAX appear to have fixed this issue. I started work on a new scene which involved sampling incoming CV to create arrays, and I ran into the same note 59 issue as back in 2015. But I ran the two OPs with 0v and 10v and all seems well.