Hello, Can anyone tell me how could I input an AC (guitar) signal into Arduino Analog Input so when strumming the guitar I would see stable data from 0 to 1024 depending on how hard I strum the strings. Thank you. PS. I tried to use an Opamp circuit to amplify the signal but I still get an 'AC' d…

AC (guitar) signal to Analog Input

Forum 2005-2010 (read only) Hardware Interfacing

system February 10, 2008, 12:45am 5

You would need to rectify that AC signal into a DC signal that the ADC will be able to work with. Then the DC signal will vary in amplitude according to how loudly you strum the guitar.

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AC (guitar) signal to Analog Input

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