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I am a complete noob at arduino, so I apologize if this is a stupid question.

I would like to take input from two microphones and send the output to a bluetooth headset using an Arduino processor? Is this something that can be done with these processors or do I need something more powerful, like a Raspberry Pi?

I don't really need to process the signal at all, simply add the 2 inputs together and divide by 2 to keep the output from clipping.

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    There are bluetooth audio modules, which have an audio input or output. You have to search for one of these. Keep in mind that you cannot use a bluetooth serial module like HC-05 or HC-06. The audio mixing can be done via electronic components. This should be easier, that first sampling both audio signals to an Arduino and then output the resulting analog voltage again. – chrisl May 18 '18 at 19:10
  • Your comment on combining the two inputs before digitizing makes perfect sense. Thanks. – Ralph May 19 '18 at 12:14
  • The point was, that the bluetooth audio module should do the digitizing. In this case the Arduino is only used to provide an interface for establishing Bluetooth connections. – chrisl May 19 '18 at 17:02

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