The LED Megalight

June 1, 2008 by Chris
The mega-light 'or simply the Oh my Gawd, my eyes! is a homemade led flashlight with a pvc body.' It uses only one super bright luxeon V led. The project write-up explains what you need and how to build it.



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Dual Fan Controller

May 29, 2008 by Chris
This is a simple fan controller that uses an AT-Tiny microcontroller. The fan control is necessary for controlling heat-flow for a computer built into a cabinet. The write-up includes a professional model, software & everything needed to follow along.


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HomeMade WiFi Antenna

May 28, 2008 by Chris
This is probably the most ridiculous wifi antenna i've seen, but it works and increases reception 5-15%. No theory is offered, just the results. But at the (build) price of 10 cents it's a bargain.



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Control of Stepping Motors

May 15, 2008 by Chris
We've seen stepper motor control tutorials before. However today's project write-up goes into much greater detail. It is an in-depth thesis on the topic of Steppers. There are also a plethora of links to different manufacturers and resources, all for stepper motors.


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DIY Laser Tag

May 13, 2008 by Chris
Laser Tag has been around for ages and now the technology that created laser tag has become affordable to make your own setup. This guide has everything you'll need to get going making your own custom laser tag weaponry along with several example designs.


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Pocket Headphone Amplifier

May 12, 2008 by Chris
The CMoy Pocket Amplifier has been famous for quite a while. For those of you who haven't heard of it, it is a little audio amplifier for headphones that fits inside a mint case. This project write-up is excellent if you want to build one for yourself.


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Infra-Red Proximity Sensor

May 8, 2008 by Chris
IR sensors are usually housed in some nice casing to get optimal performance and it will be on a PCB with a standard output connector. Rarely do we see how these things actually work. This project write-up shows how a basic IR range sensor works using 2 LEDs (IR Transmitter/Receiver).


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Home-Built Magnetic Levitator

May 7, 2008 by Chris
Using electricity to create magnetic fields has been done for many, many years. This project shows you how to create your own magnetic levitator at home using house-hold parts. The write-up also gets into some basic control theory using feedback amplifiers.


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Analog LED Circuits

May 6, 2008 by Chris
In a back to the basics kind of post, here is a site with a plethora of different blinking circuit schematics. These simple designs work well and are great tools for teaching the basics of electronics as you get to see stuff actually happen. Where-as with most electronics all the difficult stuff is usually transparent.


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