IR (Infrared) Security Alarm System

by mandlabs in Circuits > Electronics

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IR (Infrared) Security Alarm System

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In this project, you will build transmitter and receiver circuits using an IR LED and a photo-diode. The circuit is based on obstacle detection when a person or thing comes in between the transmitter and receiver. The alarm gets triggered and beeps continuously till the time the circuit is reset.

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Hi,

Hope you liked this project. I have an exciting news to share with you. To promote technology literacy in our beautiful world and make high quality learning material available for students, learners, makers, teachers, enthusiasts and schools, we have released a new video series- the $2 Makers Club on Vimeo. There are more than 50+ such projects there.

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If you are interested in accessing free learning videos of electronic components, you can go to the following link:

Click here

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