• Sound Sensor LM386 - circuitrocks
  • Sound Sensor LM386 - circuitrocks
  • Sound Sensor LM386 - circuitrocks
  • Sound Sensor LM386 - circuitrocks
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Detect Sound and Vibration for Smarter Projects

The Sound Sensor LM386 is a sound sensor with analog and digital 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 Voltage: 4 to 12V.

Why you’ll love it

  • Adjustable Threshold: Adjustable Threshold
  • Power range: 4 to 12V
  • Current draw: 4 mA
  • Useful spec: 0.2% (AV = 20, VS = 6 V, RL = 8 Ω, PO = 125 mW, f = 1 kHz)
  • Maker-friendly build: Easy to use in prototypes, classroom projects, and custom electronics
  • Common controller support: Works well with Arduino, ESP32, Raspberry Pi, and similar boards

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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 breadboards, jumper wires, displays, enclosures, and logging modules, depending on how you plan to power, mount, and log the sensor.

Technical specifications

Product Sound Sensor LM386
Musical Instruments Integrate the sound sensor into a homemade musical instrument that responds to sound in real-time. This can lead to innovative musical expressions and interactive performances.
Analog Output The Circuitrocks sound sensor provides an analog output, allowing you to monitor varying sound levels. This feature is crucial for projects that require precise sound measurement.
Voltage 4 to 12V
Low Quiescent Current Drain 4 mA
Low Distortion 0.2% (AV = 20, VS = 6 V, RL = 8 Ω, PO = 125 mW, f = 1 kHz)
Home Automation Implement the sound sensor in a smart home project where it can trigger devices based on sound input, like activating a fan when noise levels exceed a certain threshold.
Category acoustic sound vibration sensors

Wiring & usage notes

Many modules in this style expose both analog and digital pins. Use the analog pin for raw readings and the digital pin for threshold-based switching, if available.

What’s in the box

1 × Sound Sensor LM386

Frequently Asked Questions

What does the Sound Sensor LM386 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 and digital sensor? This module may provide both analog and digital outputs, depending on how you wire and read it.
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.

Sound Sensor LM386

Sound Sensor LM386

49 in stock

Product Code

2459

₱ 59.00
₱ 59.00
Sale Sold out
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