A preamp would be more useful as I can read in the signal to Arduino 
or to a power transistor to drive a speaker.
it's 1am here, just something i had in mind to do tomorrow (at last lol)
A preamp would be more useful as I can read in the signal to Arduino or to a power transistor to drive a speaker.
it's 1am here, just something i had in mind to do tomorrow (at last lol)