ARDUINO Burglar Alarm Using Infrared Emitter-Detector pair

In this tutorial i will show you , how to make a simple Inexpensive Intrusion Detection(Burglar alarm) using an Arduino Uno board . This project uses the Infrared Emitter-Detector pair to detect intrusion and triggers an alarm as soon as the object crosses the infrared field . ** To see a Similar Project Made with an LDR click here **To see more simple arduino projects check out my blog http://learnthroughe ...

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