Hi, I have a sparkfun microphone pre-amplifier and a Chu Moy headphone amplifier and would like to control the gain of each from an arduino but i'm not sure how to go about it. Would it be possible to use the arduino PWM for this function? I have read and constructed the real-time audio processin…

Control of amplifier gain

system March 10, 2009, 12:31pm 3

figure 2 on this page shows you how to interface a potentiometer with a chu moy amp: http://headwize.com/projects/cmoy2_prj.htm

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