Hot Hacks, Mods & Circuitry Posts

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: Build an eco-friendly directional WiFi antenna

Learn how to build an environmentally friendly directional WiFi antenna with this simple video guide. To follow along at home, you'll need the following things: a copper wedge, an N-type connector, some screws, a clamp-on N plug, a pigtail, and a wireless card. You'll also need a drill, screwdriver, and soldering iron. For comprehensive, step-by-step instructions on hacking your own directional WiFi antenna from a tin can, watch this video tutorial.

How To: Turn a cheap MIDI keyboard into a custom audio control

Controllerism is a lot like turn table-ism, except through its exclusive use of controllers and music software. Take a look at this instructional video and learn how to turn a simple and inexpensive MIDI keyboard into a custom audio controller. First, you'll want to rearrange the keys to line up with the knobs. Then, cut up an old DVD case and a bicycle tube to glue the rubber onto the keys to make it more tactile. Lastly, you'll need to set up the software to assign the keys with controls on...

How To: Make a steam candle

Have you ever seen a steam candle? It's essentially a simple-as-pie steam engine that revolves on top of a water surface. They are relatively easy to make if you know how to do it. Take a look at this instructional video and learn how to "hack" together your own steam candle.

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: Make a soldering iron out of a graphite pencil and jumper cables

Now this is one how-to video you probably don't come across often. While most jewelry makers and welders probably purchase their soldering irons, it's actually possible to make your own soldering iron out of graphite pencil, car battery and jumper cables. We know it sounds like you're going to end up lit up like those much-parodied dads trying to set up Christmas lights on the rooftop during the holidays, but this process actually works quite well.

How To: Build a laser motion sensor mouse trap

Mice, cute as they may be, are an unwelcome visitor in many a home. This video tutorial provides step by step instructions on how to hack a wireless electronic laser mouse trap from an automatic garage door opener and a computer mouse. Find out where those little pests are going. Watch this video tutorial and learn how to build a laser motion detector mouse trap.

How To: Make an electrical lighter

Make a lighter with one or two AA batteries and simple tiny wire!!! This is a fantastic homemade electrical lighter for any situation. You'll need two AA batteries, a push switch, a battery holder, wire, solder, soldering iron, electrical tape, crimper, and scissors for this cool electrical lighter, for your cigarettes, and such.

How To: Take apart an Etch a Sketch

Before I built the mechanics for my laser cutter I was planning on using the etch a sketch since the pulleys where already there. I accidentally cut the wires while taking it apart, so I made it from scratch (much bigger too). But I figured I'd post this in case you want a small laser cutter and need to learn how to take apart an etch a sketch. It was a bit tricky. The tought part was trying to take off the case. What you need to do is to pry the red off of the black, not the other way around.

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: Make a Wi-Fi extender from Asian parabolic cookware

Want to boost your WiFi reception? Have an extra wok or parabolic collander? This video tutorial demonstrates a simple hack that will allow you to build an effective radio antenna that will significantly increase the gain of your WiFi signal. To replicate this hack at home, you'll need the following items: (a) a piece of parabolic cookware, (b) heavy tape, (c) a USB WiFi stick, (d) tin snips, and (5) a USB extension cable. For detailed instructions on building your own wireless signal extende...

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: Make an SMS Intruder Alarm

This tutorial shows you how to create an intruder alarm that sends you text message alerts when motion is detected. This may sound complicated but I am pretty confident any beginner with electronics should be able to do this just fine. The range sensor senses motion and tells your Arduino board to send the text (SMS). So you can leave the intruder detector at home, connected to your network, and still receive the SMS alerts, no matter where you are, as long as you have cell phone service.

How To: Make a Secret Car Compartment

Nowadays, protecting your valuables can be challenging especially when you're on the go. That's why I decided to make a little secret compartment inside my car. Only you'll know it's there because nobody will be able to find it. Not only that, but you'll have easy access to it. It's fairly cheap and the total cost was under $5.00. Let me show you how to make it. You can watch the video or scroll down below for the written guide.