Hot Hacks, Mods & Circuitry Posts
How To: Understand capacitors and replace broken ones on circuit boards
The capacitor is one of the most recognizable and important electronic components, and a part of nearly every electronic device. This video will teach you the basics of capacitor theory and then teach you how to replace a faulty or broken on on a circuit board. This skill will help you fix all sorts of devices you thought were dead forever; try it out!
How To: Use a transistor or N channel MOSFET to turn any device on or off
The transistor is the most basic and important part of electronics, allowing small changes in voltage to turn things on and off. On, off. 0, 1. There's electronics. The grandaddy of them all is the N channel MOSFET, the most important transistor. This video will teach you how the MOSFET works and how to build some example circuits. This video is an absolute must-watch if you are interested in electronics at all.
How To: Use a function generator to make waveforms for electronics projects
A function or signal generator is an electronic device that can create different types of waves and send them through a circuit without building oscillators. This video will teach you how they work and how to build a basic LED dimmer that uses one as an example.
How To: Build a PWN circuit to control power that can dim an LED, control a motor etc.
Many types of circuits are useless and less useful if you cannot control the amount of power going through them. For that, you need a PWN (pulse with modulation) switch. This electronic component will let your control the power going through the circuit, enabling you to dim LED lights, control the speed of a motor, and other useful tasks. This video will teach you all PWN switches and how tom make your own.
How To: Craft a Homemade Digital Music Box with a Cheap MP3 Player
Musical boxes are best known for their kitschy designs and somewhat trivial renditions of musical masterpieces. They tend to frequent the dresser of young girls or elderly woman hanging on to their youth, and for the most part, they remain cutesy and harmless, but when featured in movies like The Silence of the Lambs and Black Swan, they become downright creepy.
How To: Take apart an old broken power supply and turn it into a battery charger
Do you have an old uninterruptable power supply you're not using or that's broken? Most people have scads of them these days, and they contain all sorts of useful electronics parts, including all of the stuff to make a little batter charger, which you'll learn how to do by watching this video and checking out the circuit diagram here.
How To: Build a laser tripwire that can trigger anything out of a photoresistor
This video, incredibly short for it's massive content, will teach you how to make a laser tripwire that, combined with a photoresistor, can trigger just about any device. You can make traps, alarms, awesome party decorations, and all sorts of other awesome things with this easy-to-make device, provided you have a soldering iron and a local electronics store to buy some parts.
How To: Build and use a voltage divider
A voltage divider is one of the easier-to-understand pieces of circuity in use in modern electronics. They divide voltage, and are crucial to most modern electronics. This video will show you how they work and how to build one yourself for your circuits.
How To: Use oscillators in circuits and electronics projects
Oscillators are basically just machines that make waves, but they are used everywhere in modern life and if you want to know electronics you should understand them as well. This video will teach you how oscillators work, what they're for, and how to make some simple circuits with sine and square wave models.
How To: Find and wire linear voltage regulators and make a 5V power supply
This handy electronics tutorial will teach you all about one of the most important electronic components: the linear voltage regulator. You'll learn how they work, how to wire them, where to find them, and how to make an awesome 5V USB charger to use your newfound skills.
How To: Test a starter capacitors in your car
If you're looking to see if you're working with a live, dead, or leaking capacitor, this video is just what you need. You'll want to have a multimeter and you need to remember: capacitors can be dangerous things. They hold and release electricity very rapidly, so you can get shocked or electrocuted if you don't exercise caution.
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!
News: Magic 8-Ball Booby Trapped with Camera Flash
Take $1.35 of thrift store bric-à-brac, toss in a few spare parts from your electronics drawer and mix it all up with an earnest desire to alienate your loved ones forevermore and what do you get? A booby-trapped Magic 8-Ball, that's what! Hacker arfink explains, "My idea was to make a Magic 8-Ball which would blind an unsuspecting victim with the camera flash. I had an old Honeywell thermostat at home which had a mercury tilt switch inside, and after cutting open the 8 ball and removing the ...
News: 'Super Brite' LED Sneakers Basically Make Sneaking Impossible
Know how some people have a natural way of lighting up a room? Well, hacker i-am-jen has an artificial one—LED sneakers! Powered by a pair of 6-volt batteries and two teeny-tiny RBBB Arduino microcontrollers, the shoes offer a high-tech, DIY spin on the mass-market L.A. Lights of yesteryear: Interested in kickstarting your own LED shoe project? You'll find Jen's step-by-step here.
News: Pedal-Powered EL Wire Night Bike Light
Instructable user samsmith17's solution for riding in the dark is a lot snazzier than your typical bicycle light:
News: DIY Clap-Off Bra
If the whale tail cookies and edible undies weren't naughty enough, you've still got about 24 hours left before Valentine's Day to whip up one of F.A.T. artist Randy Sarafan's step-by-step clap-off bras. Inspired by the electronic singing panties and remote-controlled bras of the secret underworld of Syrian lingerie, Sarafan made a mission to "fast-forward lingerie technology in the West".
News: Self-Electroshocking as Art, Live
Daito Manabe is awesome. Last we heard of him, he was setting up Japanese school girls with glow-in-the-dark grills. Before that, he was playing himself like a human drum kit. And before that, he was just plain old electroshocking himself. In his most recent appearance, he takes his electro-pulsed facial twitches to the stage, with fellow artist Ei Wada, before an audience at Berlin’s Transmediale Festival.
How To: Hack a local wifi internet connection with your PSP
Play remotely with all your friends, stream videos and music from the Internet or even check your Facebook and email - all with your PSP. The PSP has Internet capability, but not every network will be available to you at all times. Here is how you can hack any wifi connection with your PSP.
How To: Make a small robot gripper out of household items
A perfect project for the budding roboticist in you! This video shows you how to make a small robot gripper using basic household items. Press the button and make the robot's come together! You will need: a small blow torch or butane lighter, a glue gun, a dremel or rotary tool (along with several different bits), the free cutting pattern, a permanent marker, a micro servo, some small nails or pins, a small piece of Plexiglass and a paperclip. If you don't have access to a dremel, you can fak...
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.
How To: Use the rattlesnake knot, square braid and other paracord braiding techniques
Paracord braiding is a popular technique used to make lanyards and ties for survival gear. There are many different techniques a braider can use - the most common are the rattlesnake knot and the square braid. This video shows you the nuances of both techniques, a few variations, and how you can decide when to use one or the other. You can also alter the appearance and tensile strength of your paracord braid by changing how tight you make your knots.
How To: Put Gameboy emulator (Gba) on your Blackberry Storm
Well your friend's won't stop dissing your BlackBerry Storm, and you need to show them it can actually play some games. This video shows how-to install the Gameboy emulator on your BlackBerry Storm so that you can play a whole host of cool video games. This method is pretty simple and requires your smart phone be connected to your PC, and that you go and get some software as described in the video. Give it a try and show them you ARE cool!
How To: Make home made night vision goggles
OK master spy, it's time to get your lurk on. If you're going to be spying, you'll need to be able to spy at night. This video will show you how-to make your very own night vision goggles so you can keep up with your mark well after the sun goes down. You'll need a 9V battery, an infrared LED, some wire cutters, a small screw driver, and some wire with a battery clip. You can easily find your needed infrared LED in any old TV remote control. Try it, and make some home made spy gear today!
How To: Unify a junk hard drive and glass vase into an exquisite makeshift table lamp
Junk is not usually known for its usefulness. That's why it's called junk. If it were called anything else, it might have a purpose, but junk… well… it's junk.
How To: Turn a pen and film canister into a rapid-fire airsoft machine gun
Make a homemade airsoft machine gun with Kipkay! You will need a basic ball point pen, a film canister or medicine bottle, and an assortment of Airsoft pellets (6 mm size pellets work the best). You'll also need access to a drill, and a hot glue gun.
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: Use a laser to pop a batch of tasty popcorn
Lasers really can do everything! Next time you want some popcorn, don't reach for one of those microwaveable bags! You can mod a laser to make it the ideal tool for perfectly popping a delicious, fluffy batch of fresh popcorn.
News: The Lazy Man's Beer Machine (Catapult Into Mouth, Please)
Purdue mechanical engineering undergrad Ross Wehner built a gadget Homer Simpson would envy- a working, arduino-powered beer catapult fridge.
How To: Hack Your Office Clock For Extra Lunch Time
Do you have one of those jobs where the minutes seems to stretch by like hours? Then shaving off an extra twelve might make all the difference. All you need is cunning (to kidnap the workplace clock for the night) and hacking skills (not to worry, creator Randy Sarafan will help you with that), and you'll be the office hero. Sarafan says:
News: Seeing 3D with the Aid of Epileptic Eye Movement
Do 3D glasses give you a headache? This might hurt more. As in, I think I'm going to hurl just watching. Below, Francois Vogel demonstrates his rapid eye blinking method for 3D viewing. ...as if the electrodes on his temples could stimulate his eyelids to open and close in alternating synchronization with the refresh rate of the monitor! View more vomit-inducing 3D viewing, sans the glasses.
News: Door Locked? Send a Text Message & Open Sesame
When choosing a security system for the office, Billy Chasen decided to ditch the traditional lock & key barricade for something a little more 21st century. He hacked together a device that uses a web server, servo motor and some parts from Home Depot to enable locking & unlocking via text message. Chasen maintains a list which gives access to green lit office workers, who enter by simply texting "lock" or "unlock"... and voilà, open sesame.
How To: Start a single phase induction electric motor
OK, you've got yourself a single phase induction electric motor, but you don't know how to start it. Check out this simple how-to to discover a few methods of starting this motor up. You'll need to know this unless you want to burn out your motor!
How To: Make a rechargeable light / mobile charger powered by USB or solar panels
Samimy is at it again. And this time, his ingenuity has tackled a clever way to take something old and broken and restore it to something new and useful. What are we talking about? Modding a broken hard drive and some busted cell phones into a useful rechargeable USB / solar-powered light, which also acts as a portable mobile charger.
How To: Build an Illuminated Star Map
It's what every astronomy-loving geek has always wanted... a beautiful, twinkling home galaxy. As Instructables user MrTrick rightly warns, this project is no small feat. Be prepared to get schooled in:
How To: The history and technology of batteries
Learn about the history and technology of batteries in this informative video, and learn how to make your own voltaic cells at home, along with other scientific experiments. Jeri Ellsworth demonstrates how and provides several informative facts about the history and technology about the battery.
HowTo: Boost Your WiFi Signal With a Tin Can
Budget Hack's cheap Wifi range extender works off of the age old concept of adding tin foil to your TV's rabbit ears. The materials are cheap, and the project is relatively easy (if you're willing to pick up some soldering skills).
HowTo: Make a Trippy 3D Animated LED Cube
chrof Instructables boasts: "This is the most comprehensive step-by-step guide to build an 8x8x8 Led Cube ever published on the intertubes. It will teach you everything from theory of operation, how to build the cube, to the inner workings of the software."
How To: Prank your friends by scaring them in the middle of the night
This is a very easy tutorial - all you need is a chosen sound effect file (like a creepy growling animal or a person screaming) and a sneaky sound system. Play it during the middle of the night and freak out your friends.
News: Hack Your Slash: Musical Knife Gives New Meaning to "Synth Stab"
What do you get when you take a run-of-the-mill kitchen knife and add a simple synthesizer circuit? Behold, the Syntheslicer! Creator Jonathan M. Guberman writes:
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!