Hacks, Mods & Circuitry Features

News: Teens Pulled Over in Their Almost Street Legal (And Totally Cool) DIY Wooden Car

Getting pulled over sucks, even when you're in a normal car. Just imagine how these teenagers felt when they were pulled over for driving their wooden car without a license! They also got a citation for not having a speedometer or side indicator lights, but if that's all that's keeping their DIY vehicle from being street legal, I'm already impressed. Photo by WTF.nl/Zaanstreek-Waterland Police

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: Cut and Sand Your Micro-SIM into a Nano-SIM Card for Your New iPhone 5

Planning on getting the iPhone 5, but want to keep your SIM card? The new nano-SIMs that manufacturers are adopting will be even smaller than the micro-SIMs that most of us currently use. It's fairly easy to cut a regular SIM down to a micro-SIM, but because the nano-SIM will be thinner as well as smaller than the micro, cutting it down to size will require a little more work. Photo by Tech Digest

How To: Convert a coaxial jack into a Ethernet jack

This video shows you how to use any coaxial jack in your home to convert into a ethernet connection. It's simpler than you might think. So simple, in fact, that this video guide can present a complete, step-by-step walkthrough of the process in just under five minutes' time. For instructions, and to get started converting your own cable jacks, take a look.

How To: Install a three way dimmer switch

This is a video tutorial in the Electronics category where you are going to learn how to install a three way dimmer switch. Mark Donovan of Home Addition Plus demonstrates how to replace a faulty 3-way dimmer switch in this video. Make sure you buy the right dimmer switch for your configuration and make sure you disconnect the power source before you start the work. Remove the top panel and then remove the screws that hold the whole dimmer switch and pull it out. There are three sets of wires...

How To: 10 Unique & Practical Ways to Repurpose Your Old Hard Disk Drives

At one point in the '90s, about fifty percent of the CDs produced worldwide had an AOL logo. About fifty percent of the CDs in my home still have that AOL promise of 500 free hours on them. Though they never got me to join their internet service, I did get a lifetime supply of coasters. Thanks to the rise of high-speed internet access and bigger and better hard drives, there's no reason for companies to snail mail any more of those obnoxious plastic discs.

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: Make traffic lights change w/secret code (FAUX-TO?)

Nobody likes having to stand at the crosswalk waiting for the light to change so you can cross. This seems to happen more times then not these days. A way has been discovered to eliminate this problem with ease. The first thing you are going to want to do is go to the pole that has the button to push for the crosswalk. Once you get there you are going to want to enter a combination of long and short clicks to get the light to change so you can cross. The first combination is going to be three...

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: 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 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 into live, public security cameras and web cams

In this Electronics video tutorial you will learn how to hack into live, public security cameras and web cams using Google without the owner even knowing this is happening. The video claims that there is nothing illegal about this. Type ‘inurl:/view/index.shtml’ in to Google search bar. IP addresses starting with numbers are those of cams. So, click those. You may need to install ‘active X’. Go ahead and install it. Click on any cam IP and you can view the picture in that cam. You can...

How To: Convert Your Old Apple iMac G4 into a Cable-Ready HDTV

Most of us have traded our desktop systems for laptops, tablets, and mobile devices, meaning there's a lot of outdated hardware sitting in attics. Want to give your old computer a new purpose? Matthew Chappee turned his iMac G4 into an HDTV using the guide by Dremel Junkie. One thing to note before you take on this project yourself is that if you want to use it to watch cable, you'll need a converter box to get around the MPAA's HDCP restriction. But, a converter box is considerably less expe...

How To: Hack a dead laptop battery

Is your laptop not holding a charge anymore? Don't buy a new one, hack the old one! Laptop batteries can cost upwards of a hundred dollars, but with new lithium batteries and some soldering tools, the new one works just as well. Watch this video computer circuitry tutorial and learn how to hack a dead laptop battery.

How To: Make an infrared heart sensor

This video shows how to create an infrared heart sensor using an Arduino controller, a couple of resistors, and an infrared light emitter and detector. This device will be used on the subject's finger, detecting the amount of blood which is flowing through the subject's finger. The amount of oxygenation of the blood is shown in the finger, which will cause the infrared light to reflect off the skin and to the transmitter which is close by. The fluctuations of oxygenation are picked up by the ...

How To: Get your PSP hooked up to the Internet without needing wifi

If you can't get access to a wifi hotspot or an Internet connection with your PSP, you can use this method to get online. You will need access to a computer that is online, and a USB cord that can connect the computer to your PSP. Then, open up the command prompt on your computer, configure your IP and then add your PSP as a device on the network. This method uses the DNS method of getting to the Internet rather than having to hack a wifi connection.

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: Solder with a lighter

This video teaches how to solder two wires using a lighter in simple steps. First strip together two ends of a wire by removing their outer cover. Now take a lighter and start heating the wire ends. Heat the wires till it starts melting. When its starting to melt use another thin wire or rod and rub the wires so that the wires sticks tightly. Finish when the wires are soldered perfectly.