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In this project I am going to show you how to use motorized nerf guns and water guns to make automated gun turrets that you can use to shoot your friends.

The gun is controlled with an Infrared Motion Sensor and an Arduino microcontroller. The motion sensor detects when someone walks in front of the gun. The Arduino then activates a relay that is connected to the trigger and fires the gun. You can set it up in a hall or in a doorway and it will shoot anyone who walks by. This is a fun way to prank your friends.

Step 1: Watch the Video

Here is a video walkthrough of the project.

hey very nice project I am using a nerf gun instead. can you tell me the range of our sensor<br>
That depends on the specific sensor that you use.
That is a good security device :)
<p>I made it to scare away the ducks from the edge of my pool. Works a treat!</p>
That is awesome. Thanks for sharing.
<p>NERF RAPIDSTRIKE CS-18 WOULD BE AWESOME WITH THIS MOD!!!!.... ANYWAY GREAT INSTRUCTABLE.</p>
lol this would be great for water wars
<p>unless of course water gets into the project enclosure somehow</p>
How would one modify that to work for zombies?
To be honest, I am not sure how you would distinguish zombies from regular people.
People can read &quot;Beware Death Device&quot;

About This Instructable

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Bio: My name is Jason Poel Smith I am a Community Manager here at Instructables. In my free time, I am an Inventor, Maker, Hacker, Tinker ... More »
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