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Flush Wall-Mounted Raspberry Pi Touchscreen
How to Build an Insanely Bright LED Flashlight!
Arduino Geocache Locator
Tiny UHF Tracker Transmitter
Bluetooth Door Lock (Arduino)
How to Ranger Roll a T-Shirt
Raspberry Pi and Arduino Laptop
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How to Make a Professional Printed Circuit Board: the Complete Guide
RC Delta Plane With Kfm3 Airfoil
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Arduino Portable EKG Monitor
The $1 Pocket Microscope - Explore the World Around You at 80x and 140x!
Portable WiFi Analyzer
Harvesting Electronic Components
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Useless Machine Instructions
Arduino - Radar/Ultrasonic Detector
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Altitune: Hacking a Radio for Climbing and Adventure Activities
How to Make a Knife
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Solar Powered WiFi Weather Station
DIY Powdered Coffee Creamer Flamethrower!!
Arduino Drone | Quadcopter (3D Printed)
DIY MAGNETIC FIDGET SPINNER | How to Make Hand Spinner Fidget Toys
3D Printed Digital Night Vision (The OpenScope)
DIY Infrared Night Vision Device
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To be honest, all fake viruses are the same (usually) and so ridiculously simple it would be much easier to go and learn the code then make your own if you are so eager to get one, that way you can avoid any mistakes by deleting files and people here can avoid a bunch of others complaining because they messed around with things they didn't understand and screwed up their computers. If there should be instructables for these sorts of things, try to explain how it works to avoid the negative comments.
Just a hint for next time: putting "del system32" actually deletes system32, since this is a direct pipe into windows command prompt. If you put "echo" first and then "del system32" then it would be marked as a text comment, not a real command. Otherwise, you are really deleting your files. Remember, do these things at your own risk.