Outline/Features

This solution uses a microphone to detect when the glass is broken. Active filtering for the microphone is implemented using the microcontroller's onchip low-power op-amp. Reduces costs while achieving extended operation on battery power.

Configuration
  • Microcontroller: RL78/I1D low-power analog microcontroller
  • Solution board: RL78/I1D Detect it! glass break detector board

Circuit diagrams, parts lists, and sample programs are available.

System Block Diagram

System Block Diagram

Glass Break Detector Board

Glass Break Detector Board

Applications

Crime prevention products
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