Use Transistors

How To : Make a Simple Touch-Triggered Transistor Relay

In this article, I'll show you how to make a simple touch-triggered switch. This is very useful for various electronic projects, from a simple bedside light to a flat panel touch keyboard. The circuit can vary in switching power depending on the transistors you use. For exampl ...more

How To : Hack Your Office Clock For Extra Lunch Time

Do you have one of those jobs where the minutes seems to stretch by like hours? Then shaving off an extra twelve might make all the difference. All you need is cunning (to kidnap the workplace clock for the night) and hacking skills (not to worry, creator Randy Sarafan will he ...more

Hack Like a Pro : The Basics of XORing

Welcome back, my novice hackers! In a recent tutorial, I showed you how to use shikata_ga_nai to change the signature of a payload to evade detection by security devices (firewalls, IDS, etc.) and AV software. Shikata_ga_nai is an encoding module in Metasploit that XORs the ...more

Robot Basics : Using an H Bridge to Move Your Bot Backwards

I love robots. They have the potential to evolve into Asimovian destroyers of the human species, but have only just mastered the art of cleaning my rug. They have an ever increasing cool factor and a growing number of cheap and simple components that let the hobby roboticist r ...more

News : Synthetic Skin Allows Robots to Get Touchy-Feely

What feature would we most like to see in the robots of tomorrow? Why, the ability to interact with human beings without crushing them to death, of course. Happily, thanks to a new pressure-sensitive synthetic skin technology, the dream is within reach: "Today’s advanced robo ...more

How To : Build a blubberbot

This video is a quick overview of the construction of a Blubberbot, an artificial "life form" that uses electronic sensors to seek out lights, sound, or cell phone signals. Blubberbots are typically sold with instructions, which should be used for detailed instructions. But i ...more

How To : Make an evasive beeping thing

This video shows you how to make a prank toy called "The Evasive Beeping Thing." You will need: a 555 timer, a couple of 3904 transistors, a couple of capacitors, some resistors, a 9-volt battery clip, a small speaker, and a small piece of circuit board to settle everything. F ...more

End of the Century : The Fin De Siecle's Role in Steampunk

With the new year right around the corner, it's time to talk about the end of the 19th century, a time which plays an enormous role in Steampunk. If you've done any reading of British books written from about 1890 to 1899, you may have come across the phrase 'fin de siecle' an ...more

How To : What is An Arduino? (Part 1)

I'm back. School's an ass. On my quest for knowledge, which started approximately 3 years ago, I can upon an interesting little artifact. It is called the Arduino. What Is the Arduino? The Arduino is an open-sourced prototype board. You use it to make projects, and is great ...more

How To : Make A High-Lighter Stun-Gun

The Stun-Gun In this article, I'll show you how to make a small, weaponized highlighter. Before I get into how to built this device, let me warn you. This device is harmful! When used, it can cause burns and/or serious muscle spasms. The voltage is potentially deadly! DO NOT ...more

How To : Build a Laser Trip Wire Alarm System

Building a DIY Alarm System: The Concept So, you want to protect your property, or maybe a room, car, or even your backyard. The concept of an alarm system is to notify the "alarm administrator" that there is an intruder entering the previously designated boundaries. The trig ...more

How To : Create Automated Redstone Games in Minecraft

Welcome to Minecraft World! Check out our advanced tutorials and come play on our free server. You may know that Minecraft is an excellent creative tool, but perhaps less well known are the fascinating array of redstone powered games that have been made by players like you. ...more

How To : Build a pulse motor

See how to build a pulse motor with just one transistor and one diode. A pulse motor will not have the torque that a normal AC motor has. However, this does not mean that a pulse motor is worthless in everyday usages. Torque is going to equal the amperage input to the coil pe ...more

How To : Make a Programmable Piano in Minecraft

There are many impressive accomplishments in Minecraft, too many to name in fact. Sprawling builds, complex machines, and massive servers are the hallmark of Minecraft and things keep getting bigger and better. No one doubts the epic scale Minecraft has reached, but every once ...more

How To : Make LEDs Dance to Techno Music

You must have seen some expensive mp3 players and CD players which have LEDs fixed on them and they dance to the tune looking really pretty. Imagine you could make your own LEDs and configure them to dance to Daft Punk or Swedish House Mafia. I’m going to tell you how it can ...more

How To : Protect Your Door with High Voltage

In this article, I'll show you how to create a simple yet effective way of scaring off intruders. Of course, there are methods around this approach, but it's great for office pranks and general fun. The project requires a little background knowledge in electronics and circuitr ...more

How To : Transfer sound over a laser light

Check out this low cost project. This video will show you how to transfer sound over light! Yes, this is possible. You'll transfer a sound with a distance of 5 meters, but you may experiment on greater distances if you'd like. You'll need a laser (or an LED) for this audio pro ...more

How To : Build a Laser Tripwire and Alarm with Snap Circuits

Want to learn how to build a laser tripwire and alarm out of snap circuits? I'll show you how to build both circuits— the laser tripwire circuit and the alarm circuit. Video: . The alarm is a very simple two-transistor oscillator that is switched on by the relay in the laser t ...more

How To : Make your own lite-on probe for an Xbox 360

You like all things Xbox so instead of just playing with it try making your own stuff. You can make a your own Lite-on probe for your Xbox with items you can pick up at RadioShack or a comparable electronic store. Things you will need - DB9 serial connector - Female (pic abov ...more

How To : Make a Sound Responsive Led's ?

REQUIREMENTS: LED's,connecting wires,tip 31 transistor,battery,3.5 mm audio jack,soldering machine,soldering wire,soldering paste. Now Make the Connection of Components as Shown Below

How To : Construct a "rumble mouse"

This video demonstrates a project taken from "Make" magazine. Viewers will learn how to modify an ordinary computer mouse with a vibration unit for use with PC games, similar to the rumble controllers sold for video-game consoles, to make gaming more fun. Step by step, the vi ...more

How To : Play "Gamma Ray" by Beck on guitar

Learn how to play "Gamma Ray" by Beck, an acoustic guitar tutorial. Follow along with this demonstration, tabs and lyrics here: Trying to hold Hold out for now With these ice caps Melting down With the transistor sound And my Chevrolet terraplane Going round, round, round Co ...more

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