Hot Hacks, Mods & Circuitry How-Tos

How To: Make a USB mini fridge

With a little circuitry, you can find exactly what you need to make a very "cool" USB powered Mini Fridge. Just check out this how-to video. This cooler is perfect for keeping your drinks cool while gaming or at the office. Watch this video tutorial and learn how to build a USB mini fridge. Make a USB mini fridge.

How To: Understand holography & holograms

This is a older VHS, remastered version of my introduction to holography in which Thomas Grillo demonstrates two holographic optical table layouts for making transmission master, and reflection copy holograms. Recorded by Thomas Grillo in 1997 at Parallax Holograms Studios in Mississippi.

How To: Breadboard a DIY USB power supply

While breadboarding may seem like some odd combination of snowboarding and consuming the fluffy pastry at the same time, it's actually just the technical term for using a construction base to build a prototype electric circuit. Breadboards are solderless so they're great for circuit design and are reusable.

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 a cheap heads-up display (HUD)

It may be intended as a toy, but this gizmo can be hacked for more than just watching a remote-controlled car's video spy cam. This HUD (heads-up display) comes with the Wild Planet Spy Gear Video Car, but it's said that you can purchase the video headset separately. And it's not really a HUD, because you can't see through the video images, but it's close enough to be handy for all sorts of things, like computers, iPods, robots, wireless cameras, and gaming. Who wouldn't like to Call of Duty ...

How To: Shut off your alarm clock with a light phaser

We'll base the project around a digital clock radio and a light gun for gaming; huge selections of both of these are available inexpensively second-hand, with many beautiful and well-designed examples. To enable our FPSI (First Person Shooter Interface), we'll outfit the gun with five tilt sensors, arranged at different angles on a small circuit board. A cable tethers the gun to the clock and carries your tilt and trigger signals to the clock's time and alarm control button contacts.