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Sound Impact Sensor, 29132


The Sound Impact Sensor detects sound from up to 3 meters away, lending noise-activation possibilities to your project.


This sensor also includes an onboard potentiometer for easy adjustment of the range of detection for the sensor. This sensor is compatible with all Parallax microcontrollers and sample code for both the BASIC Stamp 2 and the Propeller chip can be found under Downloads.


  • Detection range up to 3 meters away
  • On-board potentiometer provides an adjustable range of detection
  • Single bit output
  • 3-pin SIP header ready for breadboard or through-hole projects
  • Built-in series resistor for compatibility with the
  • Propeller microcontroller and other 3.3 V devices

Application Ideas:

  • Noise Activated Alarm Systems
  • Holiday Animated Props
  • Monitoring Systems

Key Specifications:

  • Power requirements: 5 VDC
  • Communication: Single bit high/low output
  • Dimensions: 0.6 x 1.5 in (15 x 38 mm)
  • Operating temp range: +32 to +158 °F (0 to +70 °C)