Hacks, Mods & Circuitry Features

How To: Learn about the tools and components used in basic electronics

Electronics are the most important new thing people have created in the last hundred years, and learning how to use them will make you much more able to function in modern society. If you want to learn about electronics without going to a class or anything so formal, this excellent video series will teach you everything you need to know to get started. This video, the first in the series, will teach you about the basic tools and components you'll need to work on electronics projects, includin...

How To: Build a microphone to electrify and amplify anything

This instructional video shows how to make a cheap contact microphone. These mikes pick up subtle sounds, and are so cheap that if they get smashed in a musical melee, it's no big deal. This video demonstrates the amplification of a dryer, a teapot, and a stockpot with water in it. You will need a buzzer, a jack, an amplifier, and tape. Watch this video tutorial and learn how to build a mike that will electrify and amplify anything. Drone on!

How To: Make a laser pen from a DVD burner

In this Electronics video tutorial you will learn how to make a laser pen from a DVD burner. Take a DVD burner, remove all the screws from the bottom panel and remove the panel. Then remove the rest of the body cover as shown in the video. After this the laser will be revealed. Now remove all the screws around the wires and lift up the laser assembly. Undo all the screws on the laser assembly and remove the unit containing the laser diode. Now cut around the unit with a hack saw to get the di...

How To: Install trailer lights

This video demonstrates how to install trailer lights on your boat's trailer. In order to determine what size replacement kit you will need, you must figure out the width of the trailier at the widest point. First, remove the old lights. Use a large slotted screwdriver to remove the cover. Don't forget to wear eye protection. Next, use vice grips and a wrench to remove the exposed stud. Using a wire brush, remove the salt and loose corrossion. Then grease the threads of the studs. You are now...

How To: Make a talking booby trap

Having trouble with people snatching your stuff? Did someone take your lunch from the company fridge? Here is an inexpensive, sneaky gizmo you can make to keep those sticky fingers away. This is a junk drawer hack from Make Magazine's Kipkay. It's activated when an item is moved from it, triggering a clothes pin to close and activate the voice command. See how to make a talking booby track in this video tutorial with KipKay!

News: Analog Video Cam + Thermal Printer = Slowest Instant Camera Ever

Sometimes an "analog" result is highly satisfying when the means for producing it is just the opposite. Enter Niklas Roy's "Electronic Instant Camera" project. The endeavor combines an analog black and white videocamera with a thermal receipt printer. The outcome is something in between a Polaroid camera and a digital camera. Like the olden days, the subject must sit still for a quite a while—3 full minutes—as their image is recorded and printed directly on a roll of receipt paper.

How To: Pull a "Virus of Doom" prank

In this video, we learn how to pull a "virus of doom" prank. once you have this downloaded, you can place the program into your start menu. Then, when someone else clicks on it they will get a large skull on the computer. It will say that the hard drive is formatting and the hard drive has been erased completely. You can download this link at http://householdhacker.com/content.php/130-Virus-of-Doom-Prank-Download. Once you download it, you will see what the icon looks like, then place it on y...

News: Hacked Wristwatch Connects to Facebook

Too lazy to take your phone out of your pocket? If so, then here's a must-have: a customizable inPulse wristwatch that can check into Facebook Places. Created by inPulse designer Eric Migicovsky, the hacked watch uses Bluetooth to pull Facebook Places from a connected Android smartphone. The app sends real time latitude and longitude stats from the smartphone's GPS to Facebook, which then transmits nearby places to the watch, navigable by a one button interface.

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: Make a mellotron

Rocketboom Field Correspondent Bre Pettis on how to make a mellotron. You might remember this organ-like, polyphonic keyboard from the Beatles song "Strawberry Fields Forever." With a Walkman tape players, a keyboard, and a speaker, you can create your own musical instrument. Watch this video tutorial and learn how to make a modified mellotron musical instrument.