About this item

The SparkFun Sound Detector (SEN-14262) is a compact audio sensing board that offers three simultaneous outputs: an analog envelope, a digital gate, and an audio signal. The envelope output provides an analog voltage proportional to the sound amplitude, while the gate output delivers a binary signal indicating the presence of sound above a set threshold. The audio output delivers the raw microphone signal. Users can adjust the gain using a through-hole resistor to modify the sensitivity of the gate output. The board operates on a supply voltage between 3.5V and 5.5V and is equipped with a pre-soldered 0.1" header for easy integration into projects. It's ideal for applications like sound-activated lighting, noise level monitoring, and interactive installations. For detailed setup and usage, refer to the SparkFun Sound Detector Hookup Guide.

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