555 Circuits II

Some useful circuits using the LM555 IC. (11/26/2006)
Category: electronics circuits homemade - Updated: 2009/07/23
Air display schematic

Air Display.

A Noisemaker without noise. This is a simple display that uses the persistence of the vision [POV] to display messages in the air. (04/28/2004)
Category: microcontroller electronics homemade - Updated: 2009/07/23

Anthony Sotillet's POV Display

A modified version of the "Air diplay" adapted to be used in a bicycle. (20/2/2008)
Category: microcontroller diy homemade from_readers - Updated: 2009/07/23
Lamina Flow Engine or Resonating engine

Building a Lamina Flow Engine

Also called 'Stirling engine', 'Heat engine' or just 'Resonating engine' (11/11/98) (11/11/2008) What I was thinking?
Category: science projects diy homemade - Updated: 2009/07/23
measuring the quarter.

Coin Mechanism for Coin-operated Projects I.

My first try to build a coin mechanism that works with quarters. A low-tech solution for projects that accepts coins to work. (12/25/2007)
Category: projects diy homemade howto - Updated: 2009/07/23
DIY coin mechanism for vending machine

DIY Coin Mechanism for vending machine II

Simple and easy to build. It can be adapted for your microcontroller project. It accepts Quarters and rejects any other coins. (11/26/2008)
Category: projects diy homemade howto - Updated: 2009/07/23
DIY Coin Slot mechanism III

DIY Coin Mechanism for Vending Machine III

'Ladies and Gentlemen, Behold! I present you an improved homemade Coin slot mechanism.' [Great for you MAME project if you don't plan to make a Vending machine] (4/19/2009)
Category: projects diy homemade howto woodworking - Updated: 2009/07/31
CGA video card

Computer to TV adapter.

Simple adapter to connect an old computer with CGA video graphics card to any TV. (11/26/2007)
Category: homemade diy circuits computer - Updated: 2009/07/23

Crafts: Bottle Fish.

You won't believe how easily you can make this awesome craft. An enviroment-frienly craft made from recyclable materials: A plastic bottle. (12/05/2007)
Category: homemade diy projects howto - Updated: 2009/07/23
Lego Electric Motor

Electric 'LEGO' Motor

As the beakman motor have no torque at all, I decided to buil this project based on the design of the regular electric motors. With a medium difficulty, this motor is able to work with a fair load using 6 volts. (2/7/2007)
Category: lego science projects diy homemade howto - Updated: 2009/07/24
pulse electric lego motor

Electric 'LEGO' Motor II

As the previous motor is not easy to build and it doesn't have too much torque, I decided to improve the design. This motor is more like "Pulse Motor" as it pushes the magnets with only one coil. With only 3 Volts, it have three times more torque that the previous one and is easier to build. (2/9/2007)
Category: science projects homemade diy lego howto - Updated: 2009/07/24
emergency light

Emergency Light.

A simple circuit that activates a light when the power is out. A version with a lightbulb and another with white LED light included. (6/25/2006)
Category: electronics circuits light homemade - Updated: 2009/07/23
Lego Fan


Not an automata but this little fan is a "cool" project for hot days. (10/24/2008)
Category: lego projects homemade diy - Updated: 2009/07/23

Fluorescent Light.

How to build a 4-Watts Fluorescent light using a disposable camera, powered by one 1.5 Volts battery. (5/29/2006)
Category: light diy homemade projects circuits - Updated: 2009/07/23
mini micro fm microphone transmitter circuit schematic

FM Microphone.

A micro-transmitter is so small and sensitive, it have only 8 easy-to-get parts and can be assembled in one hour. (6/3/2006)
Category: electronics circuits homemade - Updated: 2009/07/23

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