Hacks, Mods & Circuitry Features

How To: Hack a WiFi USB Adapter for Better Reception

This video tutorial demonstrates a simple hack for improving the WiFi reception of a USB adapter. To replicate this hack yourself, you'll need the following materials: (1) a WiFi USB adapter, (2) a USB extension cable, (3) a metal strainer, and (4) a pair of scissors. For detailed, step-by-step instructions on improving your WiFi adapter's signal levels, watch this how-to video.

How To: Eavesdrop on a Bluetooth headset

Few Bluetooth users realize that Bluetooth headsets can be hacked or otherwise exploited to a remote attacker the ability to record and inject audio through the headset while the device is not in an active call. SANS Institute author and senior instructor Joshua Wright demonstrates, and explains, the security vulnerability in this how-to. For more information, including step-by-step instructions on how you can replicate this hack yourself, take a look.

How To: Make a soldering iron out of a graphite pencil and jumper cables

Now this is one how-to video you probably don't come across often. While most jewelry makers and welders probably purchase their soldering irons, it's actually possible to make your own soldering iron out of graphite pencil, car battery and jumper cables. We know it sounds like you're going to end up lit up like those much-parodied dads trying to set up Christmas lights on the rooftop during the holidays, but this process actually works quite well.

How To: Increase the power of a 5mw green laser pointer

In this tutorial, we learn how to increase the power of a 5mw green laser pointer. First, you will need to gather the parts you will need, which include a vise, the laser, a soldering iron, and a block of wood. After this, cut the block of wood in half and then put your laser pointer in the middle. Pull and twist so the module comes out, then pull the foam protector off. Don't lose any small parts that come out. Next, unscrew the silver cap and then put on your new laser module. Replace all p...

How To: Test an electrolytic capacitor with a digital multimeter

If you're working with a capacitor and wondering whether it's working or not, this video will help you find out. You're going to need a multimeter, available at any good electronics store. This device is capable of testing many different electric devices, and capacitors are one you can test. Set the dial, hook it up and see if things are working! These multimeter devices are essential in the world of home electronics, so put one in your tool kit today!

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: Hack Your Mini-Fridge into a Vending Machine to Take Care of Freeloading Friends at Your Next Party

It always sounds like a good idea to throw a party... until the party gets there. Next thing you know, you're running around hiding anything breakable, and once everyone leaves, you're stuck cleaning up the mess. But the worst part is footing the bill for everything, and if you don't charge at the door, your chances of getting anyone to chip in are slim to none once the party starts.

How To: Make an emergency microphone from a pair of headphones

In this video tutorial, viewers learn how to make a microphone with a pair of headphones. Headphones have properties and construction similarities that are similar to a microphone. Instead of plugging the headphones into the headphone jack, plug it into the microphone jack. Then you just simply hold your headphones up to your mouth and speak into it. The sound quality produced from the headphones is not very good and it should only be used if you don't have a microphone. This video will benef...

How To: Satisfy Your Need for Speed with This DIY Arcade-Style Racing Cockpit

Racing games are always better when you have a steering wheel instead of just a handheld controller. And those old-school arcade racing cockpits? Even better. Matthew Boyer decided to bring the feel of a racetrack into his living room with this insanely awesome DIY arcade racing cockpit. He built the frame out of plywood and a real racing seat, then added LEDs, surround sound, and a 32-inch flat screen. The pedals, shifters, and steering wheel are laid out to match the measurements in his rea...

How To: Build a remote-controlled camera mount

Kip Kay, from Make Magazine, shows you how to take your radio controlled vehicle and turn it into a spy car, by mounting a camera onto it. Follow Kip, as he shows you how to remove the body from your radio controlled car, mount the camera inside the chassis using the triPod mounting screw hole on your video camera, and put it all back together. In just few short steps you, too, can have your very own radio controlled spy car.

News: Trade in Your Grill for Japanese LED Teeth

In the far away land of Japan, gold is out, glow-in-the-dark is in. LED "grills" were recently conceived of by two Japanese designers/hackers for a winter advertising event at clothing store Laforet Harajuku. The LED teeth attachments quickly became a hot item. Foreseeably, one of the two designers demonstrating the teeth in the video above is the familiar Daito Manabe (our favorite "self-electrocuting" mad hacker). Manabe's partner, Motoi Ishibashi, came up with the idea when "he saw a video...

How To: Deter Data Thieves from Stealing Your Flash Drive by Disguising It as a Broken USB Cable

Having a flash drive is more or less a must, but the biggest downside is that they often get stolen, and it's not hard to figure out why. They're small, so they easily fit into pockets, and a lot of people store valuable information on them. Want to pretty much guarantee no one takes yours? Disguise it as a broken USB cable like Windell Oskay of Evil Mad Science Labs so it just looks like a piece of junk to would-be thieves. The materials are pretty simple: a flash drive (the smaller the bett...