Hacks, Mods & Circuitry: Page 3

Phone charger that you can plug in into E27 screw base,its thief charger.

This is about dancing LEDs following the rhythm of music or speech picked-up by a small microphone. The projects is very cool, and for building it, you will need a light bulb,10 LEDs, project box, electronic board with IC CD4017 and LM358 and power adapter.

I use a lighter as a case for my USB drive and it came out pretty cool. Watch to see how I made it.

I all the time play games and my hand always sweat.So I add small dc fan into my mouse and fix the problem with sweating.What you will need is one dc fan that work on 5 volts,tiny switch and some wires.

In this video I show you how to repair the cable of your badly damaged headphones and basically give them another chance.

Perfect kids room project! Make an oozing faucet nightlight!

Create your very own alcohol powered bottle rocket!

Watch this video tutorial, and learn how to turn an ordinary inexpensive webcam into a hidden home security system, viewable anywhere in the world from your cell phone! With a cute and cuddly teddy bear and a cheap webcam, you can make the perfect homemade security camera, or just a camera to spy on your sister and her friends during sleepovers. Follow along with the steps in this how-to video and learn how to set up this spy system. Note: this video is NOT recommended for people who are...

This is a illuminated pen holder that I made out of a couple recycled hard drives. The LEDs receive power from the standard USB cable connected to a computer.

Lurking inside your old junk microwave is an abundance of useful parts that can let you melt metal, spot weld, and make electrifying Jacob's ladders. You can even make a powerful AC arc welder, perfect for making hard-to-solve puzzles and even makeshift weapons for the zombie apocalypse.

Direct current (DC) by definition flows in one direction. Alternating current (AC), on the other hand, periodically changes direction, or reverses polarity. It is indeed possible for a portion of a circuit that is normally DC to periodically change direction, or reverse polarity like an AC circuit.

This video covers the basics of the Arduino and the breadboard.For the code:http://www.mikepieters.com/codes/basicsI.ino

i have a dave smith mopho keyboard and i hate that i have to plug it in to a wall to get it to cut on. would rather just use the usb and connect to my laptop. so i can travel and make music while im mobile. does anyone know how or any videos on modifying keyboards to run off of batteries. rechargeable batteries

In this project, you'll learn how to re-purpose low-cost sprinkler parts into a high-powered CANDY CANNON. Be the coolest person on the block by building a pneumatic device that will launch candy 100 feet in the air—you can make it rain down all kinds of sugary treats!!!

Recycle your hard drive into a hidden flash memory device that only you know how to turn on and use in secret. This DIY hack project allows you to recycle your broken hard drives back to life and turn them into something useful.

There is thousands of motor driver, do you find an easy way to measure the drive current? That is what this motor shield do. The drive chip is L298N. The following steps is how to control two DC motors and how to measure the drive current. With it, you will make your control system more smart.

If you ride your bike or motorcycle a lot, especially in a large city, you've probably had a few close calls. No matter how safely you're driving, you never know what other people are going to do, and being on a smaller vehicle makes you difficult to see.

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.

Cassette tapes, much like the boombox, Walkman, and record player, aren't used much anymore. With the ability to put music on our smartphones, most of us don't carry tapes or CDs around because it now seems inconvenient.

The first alarm clock in recorded history can be traced back to ancient Greek philosopher Plato, known for laying the foundations of Western philosophy and science. Plato was said to possess a very large water clock with an alarm signal similar to that of a water organ.