shop/ adafruit/ usb mini microphone - plug-and-play computer

Detect Sound and Vibration for Smarter Projects

The USB Mini Microphone is a ph sensor 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 Interface: USB (plug-and-play, class compliant).

Important: Water-quality sensors usually need calibration solutions and regular probe care. Probe condition and temperature can affect the reading.

Why you’ll love it

  • Easy wiring: USB (plug-and-play, class compliant)
  • Useful spec: Omnidirectional condenser
  • 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
  • Project-ready sensing: sound detection, knock sensing, vibration alerts, and machine monitoring

Compare with similar products

Product Sensor style Standout
USB Mini Microphone pH sensor Current item
USB Microphone for Raspberry Pi pH sensor general-purpose sensing
Electret Microphone Amplifier - MAX9814 with Auto Gain Control pH sensor with analog output analog output
MEMS Silicon Microphone Breakout SPW2430 Adafruit pH sensor with analog output analog output, breakout-board format

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 or 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 USB Mini Microphone
Interface USB (plug-and-play, class compliant)
Type Omnidirectional condenser
Compatibility Raspberry Pi, Windows, macOS, Linux
Category acoustic sound vibration sensors

Wiring & usage notes

Check the pin labels on the USB Mini Microphone and match them to your controller voltage, ground, and signal pins. Keep wiring short and verify the logic level before powering the module. Water-quality sensors usually need calibration solutions and regular probe care. Probe condition and temperature can affect the reading.

What’s in the box

1 × USB Mini Microphone

Frequently Asked Questions

What does the USB Mini Microphone 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.
Does it need calibration? Yes. Chemical and gas sensors usually need warm-up time, calibration, and periodic checking if you want stable readings.
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

// from learn.circuit.rocks

Notes from the bench

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Ask the community

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