Motion Detecting Alarm Using Pir Sensor

We made a diy motion alarm for security at the door. Motion Detecting Alarm What is it?It is an motion detecting alarm made using arduino uno, PIR (motion) sensor and a buzzerWhy is it used?It is used to provide security in a shop or home, at the door. How to Make It input- PIR sensorprocessor...
By: thecoolergamer

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