Project 14 · Sensor Catalog (Vol III)

Sound Detection Sensor

Build an electronic 'ear' that can measure volume levels and detect sudden noises.

Easy 30 min 5 components
Sound Detection Sensor wiring diagram

What you'll learn

  • Understand the difference between Analog (intensity) and Digital (threshold) sound signals.
  • Learn how to use a potentiometer on a sensor module to manually calibrate sensitivity.
  • Visualize real-time sensor data using the Arduino IDE Serial Plotter.
  • Program a microcontroller to react to environmental noise levels.

What's in the kit

  • Arduino Uno R3
  • Sound Detection Sensor Module (LM393)
  • USB Cable Type A-B
  • Jumper Wires (M-to-F) wheel×4
  • Breadboard (Optional)

Protocol: analog