EPIR SENSOR to detect motion and turn off buzzer

Using Arduino Project Guidance
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Hi everyone , I'm new to arduino and I mean Like a real noob. My project requires me to use my epir sensor to detect motion and turn off a buzzer.but the think is i dont know how to use the epir sensor .i dont know how to connect it in hardware mode To my arduino mega.I have seen digital johnson epir library but i do not understand it .can someone pls teach me how to do so .im willing to learn not to just copy work blindly or wad so ever .pls help me thank you very much

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i dont know how to connect it in hardware mode To my arduino mega.

Without knowing which EPIR sensor you are using, how can you expect us to know?

I have seen digital johnson epir librarybut i do not understand it .

A link would be useful.

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Hello this is the link to the EPIR Motion Sensor

Here is the link for the digital johnson epir library
http://code.google.com/p/epir-library-v1/
The EPIR Library download is on the bottom left hand corner of the link .

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