DIY EMP (cheap!)

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About: i am a young maker who loves building diy electronics.

Hey guys! I have recently constructed a working "cell jammer" out of household items and today I will show you how. The emp is able to short out any electronics from about 3 inches away without causing any permanent damage. It works on any electronics, such as phones, MacBooks, or any computers or TVs.

Step 1: Gathering Materials!

This project is made with minimal materials. So here's what you need:

• an electric fly swatter

• some copper wire

• a soldering iron

• solder

Step 2: Making the Spark Gap!

First, you will need to open the electric fly swatter and find the end of it where the 2 wires come out. Cut both wires and resolder them about 1mm away from the pole they are attached to. Next click the button on the side, there should be a spark gap now between the poles and the wires, you should see a small spark between them and hear a clicking noise.

Step 3: Making the Coil.

now that you have the spark gap, you can start generating emps, but first, you need to amplify them. We can achieve this by making a small coil of copper wire and soldering each end of it to the wires on the other side of the spark gap.

Step 4: Final Testing!

Now that you have it all together I recommend making a case, but only if you want to. When the button is pressed the spark gap will generate a small emp which will be amplified by the coil. To test it, place it near a calculator and point the coil at it. Then press the button. The calculator should clear or short out completely.

WARNING: I AM NOT RESPONSIBLE FOR ANY HARM OR INJURY CAUSED BY THIS DEVICE, DO NOT USE THIS DEVICE AROUND PEOPLE WITH PACEMAKERS BECAUSE THAT IT AGAINST THE LAW. USE COMMON SENSE!

Now that it is constructed you can use it to prank your friends or enemies. If you have any questions please leave a comment or message me through instructables. I hope to make more instructables soon and I hope you guys enjoy this one. Now have fun and make on!

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    6 Discussions

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    JohnW839

    5 days ago

    Just to clear up one point, this device will not "short out" anything. To "short out" means to connect two power wires or signal wires together or to connect a power or signal wire to "ground". This device generates short-range broad-band radio frequency "noise" that causes nearby devices that use radio communication (WiFi, cell phone, etc.) or contain a microprocessor chip (just about anything these days) to malfunction . It's a rather dangerous toy to play with, so please be careful. If activated in or near a moving automobile, it could cause an accident. It's quite possible that this device is illegal. Forewarned is forearmed.

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    Irish pirate630JohnW839

    Reply 5 days ago

    hi, thank you for your concern I have in fact done my research on this device and yes I understand how it works I was simply periphrasing. it is a class 1 emp and can not to damage to automobiles it is safe and i have warned people about the dangers. thanks for the info though!

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    tomatoskins

    10 days ago

    This looks awesome! Thanks for letting me know that you published it!