SparkFun Sound Detector (with Headers)

The SparkFun Sound Detector comes with Headers and is a compact, user-friendly audio sensing board that offers three distinct outputs. This versatile board not only provides an audio output but also offers a binary indication of sound presence and an analog representation of its amplitude. You can use all three outputs simultaneously and independently, offering flexibility based on your needs.

The envelope output of the SparkFun Sound Detector allows you to determine the amplitude of sound by simply measuring the analog voltage. The board also comes with a through-hole resistor that lets you adjust the gain, thereby changing the threshold of the binary (gate) output pin. More details on setting the gain can be found in the hookup guide.

The three output signals are located on the pre-soldered 2.54mm header at the edge of the board. They function simultaneously, and if you don't require one for your specific application, you can simply leave that pin disconnected.

The SparkFun Sound Detector comes with several helpful documents, including a schematic, Eagle Files, a Hookup Guide, a datasheet for the LMV324, and a GitHub repository. These resources provide all the information you need to get started with this versatile audio sensing board.

Whether you're a hobbyist looking to experiment with sound detection or a professional in need of a reliable audio sensing solution, the SparkFun Sound Detector is a great choice. Its unique properties, such as its simultaneous and independent outputs and adjustable gain, make it a versatile tool for a wide range of applications.