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...where a bunch of geeks got together to make other people's ideas come to life.
Ready to add audio to your next project? This small breakout board from Sparkfun, couples a small electret microphone with a 100x opamp to amplify the sounds of voice, door knocks, etc loud enough to be picked up by a microcontroller's Analog to Digital converter. Unit comes fully assembled as shown. Works from 2.7V up to 5.5V.