A Robust Glass-Breakage Detector Reference Design

(ACTIVE) TIDM-GBD-ROBUST

Description & Features

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Description

This reference design describes a simple as well as a robust glass breakage detector designs using the MSP430F2274 and was developed to operate at low power, allowing long battery life. The simple design algorithm is based on the spectral analysis of a typical glass breakage signal by analyzing signal characteristics such as peak content, number of zero crossings, and frequency composition. A glass breakage alert is indicated by an onboard buzzer and an LED. The robust glass-breakage detector includes an extra thud detection stage before actual glass-breakage detection to avoid false triggering of the glass-breakage detector for sound events with signal spectrum similar to a glass-break sound.

Features
  • Fully integrated, single-chip glass breakage detector
  • As low as 50µA average current consumption during monitoring operation
  • Implements high power output horn driver stage capable of up to 106dB
  • Addition of thud detection for better false trigger rejection (Robust only) 
  • Integrated Op-amps provide on-the-fly configurable filtering stages for signal detection and processing
  • This reference design is tested and includes firmware, hardware design files & documentation
  • Hardware based on this design can also be ordered from Olimex.com


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Schematic/Block Diagram

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Design Guide

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Source Files

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Bill of Materials (BOM)

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Part Number Buy from Texas Instruments or Third Party Status

TIDM-GBD-ROBUST:
A Robust Glass-Breakage Detector Reference Design

$26.00(US$)


ACTIVE

TI Devices (2)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
MSP430F2274  16-bit Ultra-Low-Power Microcontroller, 32KB Flash, 1K RAM  MSP430 ultra-low-power MCUs  Sample & Buy View Design Kits & Evaluation Modules
TPS61040  28-V, 400-mA Switch Boost Converter in SOT-23 for LCD and White LED Applications  Step-up (boost)  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
MSP430F2274 Download -
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TPS61040 Download Download
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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

Application notes (2)
Title Abstract Type Size (KB) Date Views
Multiple Files   05 Feb 2008 65
Multiple Files   27 Apr 2007 48
Design files (4)
Title Abstract Type Size (KB) Date Views
ZIP 690 11 Jul 2013 16
ZIP 100 27 Jun 2013 12
PDF 49 27 Jun 2013 10
PDF 298 27 Jun 2013 26
Related Tools & Software

Reference Designs  ( 1 )

Name Part Number Tool Type
A Simple Glass-Breakage Detector Reference Design  TIDM-GBD-SIMPLE  Reference Designs 

Software (2)



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