"1. This breakout is best used for projects such as voice changers, audio recording/sampling, and audio-reactive projects that use FFT. On the back, we include a small trimmer pot to adjust the gain. You can set the gain from 25x to 125x. 2. Add an ear to your project with this well-designed which has excellent power supply noise rejection. 3. Using is simple: connect GND to ground, VCC to 2.4-5VDC. For the best performance, use the quietest supply available (on an Arduino, this would be the 3.3V supply).
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