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trigger pullup switch with another controller output ?

Submitted by Steve on Thu, 06/01/2023 - 00:05
Embedded

Hi,

I've got an arduino function works by a pullup pin connecting to ground by a switch.

is there a way to do this with the 3.3V output of another controller? (voice recog board)

I don't think I can change the code to work without the pullup

any help appreciated.