Hacks, Mods & Circuitry Features

How To: Increase the range of a USB Bluetooth adapter with a high performance antenna

Watch this amazing USB Bluetooth adapter hack from Kipkay. It's easy and effective, plus it will work with other wireless devices, too. Bluetooth works on a 2.4GHz short wavelength radio frequency, but it's only effective over short distances. Well, Kipkay's going to show you how to increase the range by swapping out the antenna in the bluetooth adapter with a HyperGain 2.4GHz high performance antenna.

How To: Remotely Bug Hacked Bluetooth Headsets

Tinkernut presents the Bluetooth headset hack! This video shows one of the vulnerabilities of some bluetooth headsets. To prevent this vulnerability, it's best to invest a little more money into a more secure headset and making sure your headset is turned off when not in use. You can find all of the links and scripts used in this video, as well as find answers to questions you may have at the link below:

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: 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: 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: Turn Any Wall Portrait into Your Own Personal Scooby Dooish "Eye" Spy Surveillance System

Remember how the bad guys in Scooby Doo would always use cut-out portraits to spy on people through walls? Well, unless your landlord is super cool, you probably shouldn't start cutting holes in your wall just yet, but you can make a higher tech version, thanks to NASA employee Mark Rober. Mark used a cheap picture frame and a portrait with the eyes cut out to make the "Scoob Cam," which also doubles as a surveillance device. He used an iPhone and an iPad to start a FaceTime chat, then taped ...

How To: Build a laser microphone

Listen to conversations over long distances with a homemade laser listening device. All you'll need is a laser pointer, tripod, old pair of headphones, photocell, a recording device, and the step-by-step instructions in this how-to video. The creator of this video tutorial does not mention the need for sophisticated software. But the principle is quite sound. If you can figure it out, you can eavesdrop and spy on whoever.

How To: Turn a flashlight into a laser

Kipkay demonstrates how to extract the laser from a DVD burner and mount it in a small flashlight to create a handheld laser burner that can light matches and burst balloons, all in this how-to video. All you need is a 16x DVD burner, a laser housing, and a flashlight. Watch this video tutorial and learn how to modify a flashlight into a relatively strong laser.

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: 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: Draw a part in CAD and cut it out with the CNC router

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: Hook up your exercise bike to Google Maps

Tinkernut demonstrates how to hook up your exercise bike to Google Maps. Using a stationary bike can be good for your health but it can also be boring. You can spice up your exercise regiment by using Google Maps. You will need a USB keypad with arrow keys, a magnetic contact alarm with wires, soldering equipment, an exercise bike and a laptop computer. Connect the contact alarm to the up arrow key on the keypad by opening up the keypad and connecting the wires to the up arrow key by solderin...

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: Hack a toy radar gun into a real one

Turn a 'toy' radar gun into the real thing! Cops don't even have one like this! While this is a completely new and different design, the inspiration for this video is from an article by Ken Delahoussaye in MAKE Magazine. Just watch this video tutorial on how to hack a toy radar gun into a real one.

How To: Turn Your Old NES into an All-In-One Retro Gaming Console

While the PlayStation and Xbox models may rule the current world of gaming, there are still those who love to keep it old school. The grittiness, toughness and nostalgia that is laced throughout old gaming consoles appeals to many people. Every time I play Donkey Kong 64 (with the expansion pack of course!), I revert back to the days of Sunday morning cartoons and only worrying about homework.

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 mfgcn.com 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: Fix a HP tx1000 laptop black screen with a penny

If your HP tx1000 tablet PC is stuck on a black screen, you are not alone. The HP tx1000 tablet has a defective NVIDIA chip which sometimes causes the laptop to get stuck at a black screen and not boot over time. This often happens (conveniently) after your 1 year warranty ends. If you are having this problem with your HP, check out this step by step tutorial. In it, you will learn how to open up your computer and easily fix the motherboard to prevent this from happening.

How To: Make LED-enhanced anti-paparazzi glasses

This video teaches us how to prevent those pesky paparazzi from invading our privacy. It suggests buying a pair of safety glasses that have lights attached at the sides. Then, remove the lights, and replace the existing resistors with higher-powered ones, and the lights with infrared LEDs. When the press tries to film you while you're wearing these at night, the cameras will see bright, menacing lights where your face should be. This how-to is presented as a joke, but it would be hilarious to...

How To: Make a robot out of household items

This do it yourself robot can be made out of many materials you can find around your house. You'll need a few special non household items, such as an arduino and a class 3 laser. However, once you assemble everything correctly, you can make a sentry robot inspired by the robots in the game PORTAL. Even if you've never built a robot before, as long as you have a basic knowledge of electronics, you can start with this simple and fun project.