Hot Hacks, Mods & Circuitry Posts

How To: Quick-N-Dirty Circuit Board Repair: How to Patch Faded or Corroded Traces with Pencil Lead

You may already know that you can build a functional circuit on a sheet of paper with the graphite from a pencil, but you'd probably never think of using it to fix an electronic device. This same principle can be used to bring back a bricked phone, but can also repair a damaged or corroded trace in a printed circuit board. Redditor 404ClueNotFound spilled water on his favorite computer keyboard (like so many of us have done before). The damage was minimal, but after drying it out, one key sti...

How To: Hack a Vending Machine in 3 Easy Steps

How to get a vending machine to pay you for its goodies, instead of you paying for them. First off, find a older vending machine, and insert your dollar bill as you normally would. Once you have entered it, you can select which ever item you want. Then quickly, before the item dispenses, hold up on the gate to prevent the item from falling. When it falls, it should rest on the back of the gate you're holding up—don't let go yet. After a long wait, the vending machine will think nothing dispen...

How To: Hack your electricity meter

This video will show you what you'll need to know to hack a digital electric meter. You'll need 2 magnets, one much bigger than the other, an AC adaptor that you'll cut into pieces, or some speaker wire, distilled water, electrical tape, a knife, some plascic wrap, and a plastic cup. Remember, this is illegal, and shown only for educational purposes.

How To: Turn a Webcam and Phone into a Security Spy System

Watch this video tutorial, and learn how to turn an ordinary inexpensive webcam into a hidden home security system, viewable anywhere in the world from your cell phone! With a cute and cuddly teddy bear and a cheap webcam, you can make the perfect homemade security camera, or just a camera to spy on your sister and her friends during sleepovers. Follow along with the steps in this how-to video and learn how to set up this spy system. Note: this video is NOT recommended for people who are perv...

How To: Make an Infrared Mask to Hide Your Face from Cameras

This how-to video shows how you can hack a standard baseball cap into a cool invisible IR mask to hide your face from cameras anywhere, and look perfectly normal to the human eye! You have to admire a technically accomplished hacker. Now don't go out a rob a bank or anything. Watch this video tutorial and learn how to camera-proof your face with a creepy infrared mask.

How To: Hack Smart Cards for satellite TVs

Notorious hacker Chris Tarnovsky opens his underground laboratory to WIRED, providing a peek into the world of satellite television smart-card hacking. This complicated process involves nail polish, a pin head and various acids -- so don't try this at home (unless you're Chris Tarnovsky)! Chances are you won't even know what's going on here, but that's not going to stop you from watching this video tutorial on how to reverse-engineer a satellite TV smart card, is it?

How To: Block RFID Signals, Build an RFID Reader Detector, and Make Custom RFID Tags

RFID chips are everywhere. They're in passports, credit cards, and tons of items you've bought in the last 5 years or so. Big retailers like Walmart started using tracking products with RFID as early as 2004, and today, they're used in everything from mobile payments to hospital record systems. Chances are, unless you're a hermit (in which case you wouldn't be reading this anyway), there's an RFID tag within a few feet of you. Photo by sridgway

How To: Make a homemade fractal antenna for HD and digital TV reception

Want great reception? Then a fractal antenna may be your answer. And you can make one yourself, right at home! Fractal antennas uses a fractal design to maximize the perimeter of the material that can receive and transmit electromagnetic radiation within a given total surface area or volume. Sounds complicated, right? Not after you watch this DIY video. Just follow along and see how one is built!

How To: Make a 200mw burning laser

Don't use a perfectly good DVD burner to get your laser that will pop balloons, light matches, and burn stuff. Just buy a laser diode at and also a laser housing, and you won't be tearing a computer DVD player apart. This is the easy way to make a 200mW burning DVD laser. Use a Mini Maglite and some rechargeable batteries so you don't burn out the laser.

How To: Make a Super Secret Batman-Style Bust Switch for Your Batcave (Or Just Your Lights)

Remember the 1960's American television series Batman, with Adam West as Bruce Wayne? It was waaaaay before my time. The caped crusader that I'm more familiar with is actually this one... When I first heard of Adam West, it was him doing the Batusi on The Simpsons. I had no idea what was going on, so I looked up Adam West and his sensual dance and found myself face to face with the 1960's Batman.

How To: Build a solar powered USB charger

Want to stop wasting energy charging your USB devices? Transform some cheap solar-powered garden lights into your very own solar USB charger. For step-by-step instructions on replicating this hack yourself, watch this video tutorial. Just watch to see how to build your own solar-powered USB charger with a few solar panels from those garden lights and some floppy disk wiring.

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