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Grove - Sound Sensor

SeeedGrove - Sound Sensor

MPN: 101020023
Seeed Technology Co., Ltd
LM386 Sound Sensor Grove Platform Evaluation Expansion Board
Active303 in stock

Overview

The Grove - Sound Sensor is a microphone-based module designed to detect environmental sound levels. It utilizes an LM386 low-voltage power amplifier to provide an analog output signal proportional to the intensity of the audio input.

Why Choose This Part

The module features a simple analog interface that is compatible with 3.3V and 5V logic systems. Its integrated potentiometer allows for quick sensitivity adjustments without changing firmware code, and the Grove connector ensures solderless connectivity for rapid prototyping.

Applications

Sound Level Monitoring
Measuring ambient noise levels in smart home or industrial environments.
Clap or Sound Activation
Implementing sound-triggered switches for lighting or automation tasks.
Security Systems
Detecting unauthorized noise or breakage in supervised indoor areas.
Voice Visualization
Driving LED arrays or displays based on real-time audio intensity.

Key Specifications

Type Sensor
Contents Board(s), Cable(s)
Function Sound
Platform Grove
Utilized IC / Part LM386

Getting Started

Connect the module to any analog input pin on a Grove Base Shield or Seeeduino board. Use standard analog read functions in the Arduino IDE to sample the output voltage, which ranges from 0V to the supply voltage based on sound pressure. Adjust the onboard blue potentiometer to tune the trigger threshold for specific ambient conditions.

Also Consider

SparkFun Sound Detector SparkFun Electronics - Features simultaneous analog, binary, and envelope outputs for more complex audio processing requirements.
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