Electret Microphone Breakout Board
Ready to add sound detection to your next project? This compact breakout board from SparkFun couples a small electret microphone with a 100x opamp, converting sound into amplified analog voltages that can be measured by a microcontroller’s analog-to-digital converter (ADC). The unit comes fully assembled as shown and works from 2.7 to 5.5 V.
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6 April 2011
This sound-following 3pi robot uses three Electret microphone breakout boards and two 74HC4052 multiplexers. Here is a video of the robot in...