Hot Hacks, Mods & Circuitry Posts

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: 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: Make a "Shocking" Deck of Prank Playing Cards Packed with 330 Volts of Electricity

A deck of cards may be a magician's best way to demonstrate his or her's sleight of hand, but for the prankster, it's the perfect way to deliver a shocking 300 volts of electricity! And that's exactly what I'm going to show you how to do today. Stuart Edge used it in his "Electric Shock Kissing Prank" to show the ladies how a man can really put the sparks in a kiss.

How To: Make a high-tech spy stethoscope

A stethoscope, often considered the symbol of a doctor's profession, but also used by safe-crackers and auto mechanics to hear sounds that otherwise couldn't be heard. Well, it's time to make a high-tech electronic spy stethoscope with Kip Kay in this gadget video tutorial, for only twenty-five bucks! You can hear and record heartbeats with this spy gadget, or even listen through walls!

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: 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: 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: Hack Software & Run a Trial Program Forever

With this video tutorial, you'll learn how to hack demo versions of applications such that they'll run indefinitely. You'll just need to modify the date and time on your computer. Learn how to use trials of programs without them ever expiring instead of buying the real thing with the hack outlined in this how-to video.

How To: Trigger traffic lights to change from red to green

This instructional video shows how change traffic lights from red to green, using science, and without actually having to know anything about magnetic fields or properties! Save gas, time, and frustration in your car and during your commute! Works great! See the test results! Yay for Kipkay! The trick in this video hacking tutorial will teach you how to get green lights on your bike or motorcycle that is too small or light to trigger the traffic light.

How To: Wire a car amplifier and subwoofer inside your house

This easy to follow silent and accurate video will guide you quickly and easily through what you'll need, (like a Power Supply, a sound system that has a Subwoofer Pre-output and a High Input adapter, which may already come with your amp.) First learn what colored wires should be connected to simulate your PC starting. Then connect the amp to the power supply to simulate the car Head-Unit starting. Once the power issues are handled, the video assists you with connecting your audio input. It i...

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: Build a small hydrogen HHO generator

Make your very own hydrogen (and oxygen) generator with a 9V battery, copper wire, and baking soda (or salt). Why? Who knows. Make sure to check your connections. For more information on this hack, including detailed, step-by-step instructions on assembling your own HHO generator, watch this how-to video.

How To: Build a Cheap Waterproof Flashlight for Diving Depths Past 80 Feet

The pressure underwater is undeniably strong. If you were to fill a balloon with water and take it underwater, it would not burst but would stay the same size because liquids are not compressed. The pressure is the same, inside and outside of the balloon. If you were to fill that same balloon with air instead, the lower it dives into water, the more it shrinks, until it eventually can't take the pressure anymore and bursts.

How To: Assemble a CNC machine router kit

A CNC router machine is probably the most useful tool a hobbyist can own, but the price for a CNC machine on the market is way more than the average hobbyist is willing to spend. You can build your own CNC with very basic tools, little knowledge of machinery, mechanics, or electronics, but be warned, these machines are inherently dangerous, so wear the proper protection and use common sense. At the very least, read the instructions and precautions on every tool you use.

How To: Make an electrophorus and use it to create electricity from your cat

An electrophorus is a type of capacitor that generates electrostatic energy. Most of you probably know this force as static electricity, the domain of door handles and polyester shirts. It can be used for all sorts of other fun science experiments though, and this video will show you how an old hard drive, some plastic, Styrofoam, foil, a cat, and other simple materials can be used to make a a simple functioning electrophorus.

How To: This DIY Xbox LIVE Traffic Light Tells You When Your Friends Are Gaming

Games are always more fun when you have someone to play them with, but if you're not always logged in to your Xbox LIVE account, how do you know when your friends are online? You can always log in and check, but where's the fun in that when you can hack together a traffic light to do it for you? Andrew F hooked up an Arduino with an Ethernet shield to check every five minutes to see how many of his Xbox LIVE friends are online. For each friend, it records either a zero or a one, depending on ...

How To: Make a rechargeable, solar-powered USB battery

An emergency battery charger for your mobile phone comes in handy, but it's not the ultimate solution; once it's dead it's useless (what a waste). If you want to really get off the metaphorical grid, you can follow the steps in this video to construct a more robust circuit that will not only bail you out of an inconvenient situation but also recharge in between uses. The simple addition of a low voltage solar panel and rechargeable batteries makes this possible. Enjoy!

How To: Light Up Your iPhone's Apple Logo in Old School Rainbow Colors

As far as logos go, few are as iconic and instantly recognizable as Apple's old-school rainbow emblem. No matter how sleek their products get, people are still nostalgic for the old, colorful logo, and this mod from Adafruit basically proves it. If you have some pretty decent soldering skills, you can make the Apple on the back of your iPhone light up like the old rainbow logo. In the video below, Becky Stern from Adafruit uses a kit with a replacement glass back, tweezers, screwdrivers, and ...

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