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How do motion sensing lights and burglar alarms work?

Author: External Author | Apr 28, 2021 | Categories: Alarm Systems , Smart Home

It is common for stores to have a beam of light crossing the room near the door, and a photosensor on the other side of the ­room. When a customer breaks the beam, the photosensor detects the change in the amount of light and rings a bell.

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Original Article Source Credits:   How Stuff Works , https://home.howstuffworks.com/

Article Written By:  NA

Original Article Posted on:  NA

Link to Original Article:  https://home.howstuffworks.com/home-improvement/household-safety/question238.htm



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  • Home
  • About Us
  • Services
    • Services
    • Residential Services
      • Residential Services
      • Alarm Systems
      • Home Automation
      • Always-on Monitoring
      • Home Networking
    • Commercial Services
      • Commercial Services
      • Video Surveillance Cameras
      • Access Control Systems
      • Data/Phone Networking And Structured Cabling Systems
      • Intercom And IP Phone Systems
      • Audio/Video Systems
      • Burglary Alarm Systems
  • SERVICE AREAS
  • Reviews
  • Blog
  • Contact Us