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Detect Sound and Vibration for Smarter Projects

The Sound Level Analog Meter Gravity is a sound sensor with analog output designed for sound detection, vibration alerts, and machine monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds.

Key details include Measuring Range: 30dBA ~ 130dBA; Output Voltage: 0.6 ~ 2.6V; Module Size: 60mm * 43mm / 2.37in*1.68in.

Why you’ll love it

  • Wide Voltage Input:3.3~5.0V: Wide Voltage Input:3.3~5.0V
  • Analog Sound Level Meter x1: Analog Sound Level Meter x1
  • Gravity Analog Cable 3Pin x1: Gravity Analog Cable 3Pin x1
  • Useful spec: 125ms
  • Power range: 0.6 ~ 2.6V
  • Sensing range: 30dBA ~ 130dBA

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What you can build

This sensor is a good fit for clap switches, knock locks, vibration alarms, sound level demos, and machine monitoring.

Starter bundles

Pair it with an Arduino-compatible board, ESP32, or Raspberry Pi, plus a breadboard and jumper wires for quick setup and testing.

Recommended add-ons

Useful add-ons include an Arduino or ADC-capable board, jumper wires, and a stable power source, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product Sound Level Analog Meter Gravity
Time Characteristics 125ms
Output Voltage 0.6 ~ 2.6V
Measuring Range 30dBA ~ 130dBA
Input Voltage 3.3 ~ 5.0V
Input Current 22mA@3.3V, 14mA@5.0V
Frequency Weighted A Weighted
Frequency Response 31.5Hz ~ 8.5KHz
Module Size 60mm * 43mm / 2.37in*1.68in

Wiring & usage notes

Connect power and ground, then read the sensor output with an analog-capable input or external ADC. Stable power and a clean ground help reduce noise.

What’s in the box

1 × Sound Level Analog Meter Gravity

Frequently Asked Questions

What does the Sound Level Analog Meter Gravity measure? It is designed to measure sound level, audio activity, or optical fingerprint data.
Can I use it with Arduino, ESP32, or Raspberry Pi? Yes. It is well suited for common maker and embedded platforms, as long as you power it at the correct voltage and match the signal level to your controller.
How do I connect this Analog sensor? This sensor gives an analog-style signal, so you read it with an ADC or an analog-capable input.
What affects accuracy? Power quality, wiring, mounting, target material, and the real environment can all affect the reading. It is best to test and calibrate in the final setup.
Is it good for prototyping? Yes. It is a practical choice for learning, proof-of-concept builds, and small automation projects.

Build with this board

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Notes from the bench

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Ask the community

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