Hacks, Mods & Circuitry Features

How To: Make a USB fan out of old CDs

Sweaty summer day by the computer? Office A/C broke? Watch this how-to video! You can make a simple USB fan using a compact disc, a USB cable, and a small fan motor. It's quick and easy! Don't suffer from the heat. Watch this video tutorial and with these circuitry tips, build a simple USB fan out of some old CDs.

How To: Build a solar powered USB charger

Want to stop wasting energy charging your USB devices? Transform some cheap solar-powered garden lights into your very own solar USB charger. For step-by-step instructions on replicating this hack yourself, watch this video tutorial. Just watch to see how to build your own solar-powered USB charger with a few solar panels from those garden lights and some floppy disk wiring.

How To: Wire a car amplifier and subwoofer inside your house

This easy to follow silent and accurate video will guide you quickly and easily through what you'll need, (like a Power Supply, a sound system that has a Subwoofer Pre-output and a High Input adapter, which may already come with your amp.) First learn what colored wires should be connected to simulate your PC starting. Then connect the amp to the power supply to simulate the car Head-Unit starting. Once the power issues are handled, the video assists you with connecting your audio input. It i...

How To: Make USB air conditioning

Wondering how to most effectively combine ice cubes and a simple USB-powered computer fan into a fully functioning air conditioning system? In this video tutorial, you'll learn how to hack a coffee can and USB-powered fan into a simple, but effective, air conditioning unit. For detailed instructions on hacking together your own tin-can AC unit, watch this über-short how-to.

How To: Make a solar cell with a condom

Make a solar cell from a condom with this video tutorial. Solar energy is plentiful and better for the environment, so why not take an easily accessible commodity (like a condom), and use it to harvest the power of the sun. To replicate this hack at home, you'll need the following materials: 12 iron hairpins, 2 pennies (pressed before 1982), 2 electrical wires, 1 sheet of aluminum, 2 strong magnets, a condom, and mineral water. For more on making your own condom-based solar cell, watch this h...

How To: Make a Blu-Ray Laser Phaser

Build your very own Trek-style Blu-Ray laser phaser with this hacker's how-to video from Kip Kay of Make Magazine. To replicate this hack at home, you'll need the following materials: (1) a PS3 Blu-Ray laser assembly (which can be had on eBay for roughly $45), (2) an original series-style Star Trek phaser gun (a good quality replica of which can be found for roughly $30), (3) a 9-volt battery, (4) a 9-volt battery snap, (5) a 150 Ohm resistor, and (5) a new switch to replace the phaser trigge...

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: Make simple solar panels

Want to build your own DIY solar panels on the cheap? This video demonstrates how to make solar panels to power devices. The video explains how a solar panel works and how to connect it to a radio in order to power it. For more on this hack, including step-by-step instructions for recreating it yourself, watch this eco-friendly hacking how-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.

How To: Hack the Staples Easy Button

Hacking an Easy Button? Easy! In this video tutorial from Make Magazine's Kip Kay, you'll learn to hack the Staples Easy Button to say whatever you want it to. For more information, including step-by-step instructions on replicating this hack at home, watch this how-to video.

How To: Make traffic lights change w/secret code (FAUX-TO?)

Nobody likes having to stand at the crosswalk waiting for the light to change so you can cross. This seems to happen more times then not these days. A way has been discovered to eliminate this problem with ease. The first thing you are going to want to do is go to the pole that has the button to push for the crosswalk. Once you get there you are going to want to enter a combination of long and short clicks to get the light to change so you can cross. The first combination is going to be three...

How To: Solder electronics the right way

New to soldering? This how-to video answers the questions for these common beginner soldering questions: what is flux? what tip should be used? do solder fumes contain dangerous amounts of lead? why regularly clean and tin the iron tip? Watch this video computer-circuitry tutorial and learn how to solder correctly.