BOB-09964

 SparkFun Electret Microphone Breakout B OB-09 964 ROH S        3  images are CC BY-NC-SA 3.0 Description: Ready to add audio to your next project? This small breakout board 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. https://www.sparkfun.com/products/9964 11/16/2015