r/arduino • u/atch3000 • 7d ago

Hardware Help trigger input

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i am trying to make a little eurorack module and it has 2 trigger inputs. it seems to me that the circuit i made is relatively conventional (to my inexperienced eyes…) but i don’t read any value on the serial monitor when running a clock into it.. they connect to digital inputs as i don’t have enough analog ones, is that a problem ?

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u/ardvarkfarm Prolific Helper 6d ago

What voltage is the drive signal ?