Hot Hacks, Mods & Circuitry Posts
How To: Make an LED or a light emitting diode
Take a tour through the world of the light-emitting diode. Learn - who invented it, how to use it, and how to make your own.
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: Hack a 20-Year-Old "Brick" Phone into a Digital Cell You Can Text On
The cell phone has come a long way. The very first "mobile devices" were made and used by the military in the late 1930s, with the first commercial mobile telephone service introduced by Bell in 1946. These devices were hardly what we'd call mobile today—some took up the whole trunk of a car, and others had to be carried on your back in a heavy bag.
How To: Convert Your Classic Game Boy into a Powerhouse Emulator That Plays Practically Any Retro Game
If you've got old game consoles lying around and aren't sure what to do with them, there's no shortage of projects you can undertake. From turning a Game Boy and Wii Remote into an Android phone gamepad to combining a GameCube and N64 to make a hybrid console, there's something for everyone.
How To: Build a Laser Tripwire and Alarm with Snap Circuits
Want to learn how to build a laser tripwire and alarm out of snap circuits? I'll show you how to build both circuits— the laser tripwire circuit and the alarm circuit.
How To: Repair or Replace Your Broken Headphone Jacks
If you haven't met a person that's broken a pair of headphones, you might need to get out more. No matter how expensive or cheap a pair of headphones are, the sound can get buggy, the wire can get cut, or the headphone jack itself can be broken or ripped off the cord. But instead of buying a new set of headphones or borrowing the ones from your cousin with the earwax problem, you can easily fix it yourself.
How To: Build a Cheap Arduino Tachometer to Measure the RPMs of Spinning Fans (And More)
A tachometer, or RPM counter, is a device that measures the speed of something that's rotating. In a car with a manual transmission, the tachometer can be helpful in determining when to release the clutch and how much gas to give when you're taking off. This DIY Arduino Tachometer by Chris on PyroElectro uses an infrared transmitter and receiver break-beam pair to measure the RPM of a computer fan. When the fan blade passes between the transmitter and receiver, the IR beam counts the interrup...
How To: Hack Your Old Computer Mouse into Retro Wireless Bluetooth Mouse!
Since most devices these days are mobile and wireless, a lot of people have a bunch of old hardware from a decade or two ago sitting around unused, just wasting away in dusty boxes. Look familiar?
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
News: Haptic Hacking Breathes New Life into Old Computer Mice
You've seen the felt mouse, which made computer clicking comfortable and chic, now brace yourself for something a little more interactive—DataBot.
How To: Use an operational amplifier to amplify voltage and build a microphone circuit
An amplifier is something that amplified the voltage on a circuit. The most basic kind is an operational amplifier, and this video will show you how these work and how to use them in your electronics. As an example you'll learn how to make a microphone circuit for spying on people or listening to your heartbeat.
How To: Hack a laser pointer into a burning laser
It's not just for annoying cats, anymore. You can upgrade your laser pointers and turn them into an actual burning laser! This tutorial by Kip Kay shows you how to mod a basic laser pointer into a higher powered 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 a satellite dish Wi-Fi antenna for free internet
Need internet but don't want to pay? Well, try lusting of those around you by picking up their Wi-Fi signal. Live out in the boondocks? No problem… if you have an old satellite dish laying around.
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: Boost your car remote's range
You can learn how to boost your car remote's range and you need a small screwdriver. Locate the antenna, sand the top surface of the antenna, and do not forget when you are done to close the remote up. This is another great video by Kipkay.
How To: Program Wiimote motion detection in GlovePie
You can connect your Nintendo Wii Wiimote to your PC using GlovePie input emulation software and a bluetooth connection. Learn how to program your PC to detect motion from the Wiimote using GlovePie.
How To: Rock Harder on GarageBand with a DIY Pringles Can Drum Kit
Damn right, you don't just eat 'em. When you're done with your next Pringles can, you can turn it into a kaleidoscope, a pinhole camera, and even a solar hot dog cooker. But Instructables user TheSpodShed may have just created the most awesome way to upcycle empty Pringles cans—use them as a mini MIDI drum kit for your mobile device. This tiny drum kit will let you rock your face off without pissing off all your neighbors.
How To: Scramble 4 Eggs Inside Their Shell at Once
Video: . Using this method is stupidly simple.
How To: Hack an Old LCD Monitor into a Secret Computer Screen That Only You Can See
No matter your reason, if you want to hide what's on your computer screen from prying eyes, there are plenty of ways to do it. You can get a privacy filter, install a panic button for your browser, or just develop super fast reflexes. But all it takes is the right angle or a too-slow reaction to blow your cover.
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: Install MS-DOS on a Modern Computer
For those needing to replace old controller hardware on cutting mills, those into native retro gaming, or for those who want to see what all the fuss was about in the 1980's, or for those who just want a play with old but great technology, this tutorial shows you step-by-step processing getting the breakthrough desktop operating system running on the latest greatest hardware.
How To: New to Arduino? Start with This Simple RC Car Controlled by Your Android Device
Thanks to its open-source platform and easy-to-use hardware and software, there's literally thousands of Arduino projects detailed online for anyone to make—a magic mirror, DIY polygraph machine, and hotel-hacking dry erase marker just being a few examples. Hell, you can even make the Daft Punk helmet.
How To: Use a Flatbed Scanner and Raspberry Pi to Take Super Sharp Macro Photos
You can take macro photos on a huge variety of devices, whether you're using a DSLR with expensive lenses or just your iPhone (or any smartphone, for that matter). One common issue, though, is that it can be hard to get the image as crisp as you want because the depth of field is so small.
How To: Do Fun Things in Notepad, Notepad++, and .Bat Files
Over the last few months I have been getting more and more into computers over the last few months, and I discovered my new favorite thing to do..... notepad stuff!
How To: Illuminate Dark Drawers Automatically Whenever You Open Them Using LED Strips
At night, it can be pretty difficult to see what's inside drawers and cabinets, unless you have night vision or something.
How To: This DIY Umbrella Stand Alerts You of Rainy Weather Before You Walk Out the Door
Whether it's forgetting your driver's license or misplacing your cell phone, forgetting things at home can be a pain in the butt. Car keys, wallet, purse, papers, sunglasses—the list can go on. Sometimes I even surprise myself at the important things I forget... Oops.
How To: Unlock Your Front Door Without Keys Using This DIY Keyfob Entry System
Keys are on the way out. They're clunky, take up precious space, and slow you down when you have tons of identical-looking gold ones on your keyring. Everything we can open with keys can now also be opened with wireless technology in just a click—so why use keys anymore? Sure, you can pay hundreds of dollars for an automated lock system on your house—but why do that when you can build it yourself!
How To: Turn Your Android Device into a Customizable Thermostat for Your Home
A faulty or broken thermostat can be one of the most annoying things to ever happen to your house. It's always too hot or too cold, and you can end up wasting money on your electricity bill.
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: Build a Remote-Controlled Water Gun (Or Flamethrower!)
You can do a lot with water guns. Have trouble waking up? Make a water gun alarm clock that (almost) no one could sleep through. Prefer real ammo? Turn your water gun into an airsoft BB gun. And if you don't have one, you can even make your own.
How To: Use Your "Dead" Car Battery to Power Emergency Fans, Lighting, and More!
A common misconception is that all car batteries die. This, in fact, isn't true—the majority of "dead" car batteries just don't contain enough juice to power a car, but they can still provide enough watts to keep emergency fans and lighting running, which is great when a power outage occurs. So, instead of lugging the battery to the nearest drop-off center or just letting it collect dust in the garage, you can put that car battery to good use.
How To: Make a Dynamic Mic and Sound Recorder Stand from an Old Hard Drive
There was a dynamic mic in my junk box, but without any stand or connection cable. I needed a high-quality microphone to narrate my project videos, so I had to think of a way to build a stand for the mic. This is what I came up with.
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: Place Your Electrical Socket Safely in the Wall If It Was Pulled Out
Hello! This post is about the electrical socket. Imagine that somebody pulled the cable out of the possible protection outlet too fast? The result can be seen on the following photo. What to do next? Step 1: Preparation
How To: Make your own EMF detector for under ten dollars
An EMF detector will help you find invisible electromagnetic fields, and you can make an inexpensive one for under ten dollars. This will only detect the presence of a field, you will need other tools to be able to measure its strength.
How To: Make an EMF detector out of an Arduino
An EMF detector lets you pick up on electromagnetic fields, a useful tool if you're into amateur ghosthunting. To make this, you will need some wire, a resistor, and an LED. You will also need an Arduino to use as a controller.
How To: Build a blue laser ray gun that will burn things magnificently
If you've ever seen Goldfinger you've probably wondered when we're going to get access to lasers that could cut a man in half. This might be it. Watch on to learn how you can, with some electrical engineering skills, make a DIY blue death ray laser gun that will cut through all kinds of stuff. No word on whether it works on British secret agents.
How To: Make a DIY microphone from two razor blades and a pencil
Now this is a DIY microphone. It turns out all you need to make a quasi-functional mic is a pair of razor blades, a pencil, some tupperware, and clips to run the signal from the razor blades to a resistor. Watch this video to learn how to make this awesome DIY mic and never find yourself silenced again.
How To: Make a DIY electrical discharge machining machine with an old doorbell
Electical discharge machining is a techinque in which electricity is used to machine (cut, grind, etc.) metal. It usually invovles sophisticated tools and equipment, but not here! Watch this video for a guide to making a small electrical discharge machining machine with an old electric doorbell.