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Sound Impact Sensor

View 29132: Sound Impact Sensor Detection Range Up to 3 Meters Away

29132: Sound Impact Sensor Detection Range Up to 3 Meters Away

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Parallax Inc.
Jameco Part no. 2111901
Manufacturer PARALLAX INC.
Manufacturer no. 29132
  RoHS compliant
Catalog 151 , page 154
Pricing & Availability


# of Unit Price
1+ $12.95
5+ $11.95
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Sound Impact Sensor

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 is below.


  • 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)

    Downloads & Resources

  • Sound Impact Sensor Documentation
  • Sound Impact Sensor Schematic & Eagle Files
  • Sound Impact Sensor BS2 Example Code
  • Sound Impact Sensor Propeller Code

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