Grove Loudness Sensor for Arduino, 24x20x9.8mm
Measure sound levels with the Grove loudness sensor for Arduino. Features adjustable gain, built-in mic & Grove interface.
The Grove Loudness Sensor is a specialised noise detector designed for seamless integration with Arduino and other microcontroller projects. It effectively measures the intensity of environmental sound, converting audio signals into a readable positive envelope output for easy signal acquisition by your Arduino board. At its core is the reliable LM2904 amplifier and a sensitive built-in microphone, which work in tandem to capture, amplify, and filter high-frequency sound signals.
To ensure accuracy and reduce interference, the input signal is processed through a dual-stage filtering system within the module. This design minimises unwanted signal disturbances, providing a cleaner and more reliable output that directly corresponds to the ambient sound level. A key feature is the integrated screw potentiometer, which allows for precise manual adjustment of the output gain, giving you full control over the sensor's sensitivity to suit various acoustic environments.
The module boasts a Grove-compatible interface, ensuring quick and foolproof connection to your development system without the need for complex wiring or soldering. It supports a wide supply voltage range, enhancing its versatility across different power setups. Its compact dimensions make it an ideal choice for space-constrained projects, from DIY sound-activated switches and noise level monitors to interactive art installations and smart home devices.
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