Introduction: IR (Infrared) Security Alarm System

About: Hello, We are an electronics learning startup based out of Arizona, US. The mission of the company is to promote Technology literacy in our beautiful world. The idea is to make learning more fun, intuitive and…

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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