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Home › Magazines › 2006 › July › Laser Alarm

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Laser Alarm

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Published in issue 356, July 2006

Laser Alarm
This circuit is a laser alarm system like the one we see in various movies. It uses a laser pointer beam to secure your valuables and property. Essentially, when the beam gets interrupted by a person, animal or object, the resistance of a photodiode will increase and an alarm will be activated.

Click below to download a PDF copy of this article from Elektor magazine.

 

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PDF Article (060133-UK.pdf)
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Please note. In view of the complexity of international markets, Elektor cannot guarantee the availability of components for this project.

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