tools needed to work with paper clips.

Paperclip ideas

Some items to build and things to do with paperclips. (10/05/2005)
Category: projects diy homemade howto - Updated: 2009/07/23
Making Circles

Paperclip Ideas II

So, you are looking for some things to make when bored at work huh?
Category: howto projects diy - Updated: 2010/01/19

Led Chaser.

A sequential light chaser using the PIC 12F629. (04/21/2004)
Category: automobile diy microcontroller homemade - Updated: 2009/07/24
CD DVD drive

Removing the CD/DVD cover for service.

Instructions and/or basic steps how to remove the CD or DVD drive cover for service. (August 7, 2009)
Category: computer diy howto - Updated: 2009/08/07
science toy maker website

A non-commercial site for people who like to roll up their sleeves and make fun, mysterious toys and projects that entice scientific investigation. It is a resource for inspired parents, kids, teachers, teenagers, home schoolers and science fair participants. (5/15/2007)
Category: best websites diy science projects - Updated: 2009/07/23
Scotch Tape X-ray Machine

Scotch Tape X-Rays

How the Scotch tape X-rays works. (10/24/2008)
Category: howto science diy discover - Updated: 2009/07/23
Security keypad using a 12F629

Security Keypad.

This Electronic Code Lock uses a 12-keys keypad is used to enter a password and open an electrick lock or any other device with a signal. Uses an 8-pin PIC 12F629. (11/17/2004)
Category: microcontroller circuits diy - Updated: 2009/07/23
security keypad key pad matrix keypad array safety keypad with LCD Hitachi Display.

Security Keypad II

An improved version that can be used on security vaults, Doors with electric latches, Alarms, Safety devices and many other uses. It uses an HITACHI LCD (16x1 or 8x1) and a matrix keypad. The HEX code is available for 16F84A and 16F628. (5/27/2006)
Category: microcontroller circuits diy - Updated: 2009/07/24
My super simple sun tracker

Super Simple Sun Tracker.

Without using complex circuits and sensors, I was able to make my simple home-made Sun Tracker. This one only needs Solar cells, a motor and some gears. (11/20/2007)
Category: science projects diy homemade lego - Updated: 2009/07/23
disposable camera, strobo circuit strobe

Strobe from Flash.

After using a disposable camera, you can build a strobe light (flashing light) with one simple modification. (6/2/2006)
Category: electronics circuits light diy homemade - Updated: 2009/07/24
Timebase generator datasheet.

Timebase generator.

One Minute/One Second Pulse generator. Ideal to be used to build any clock. Uses a 12F629. (05/31/2004)
Category: microcontroller circuits diy - Updated: 2009/07/23

Toothpicks designs.

With lots of toothpicks and time, I made some geometrical figures using wooden toothpicks. (3/13/2006)
Category: science projects diy howto - Updated: 2009/07/23

Toothpicks with yummy designs.

With Toothpicks and Marshallows, I have some fun. Some Yummy and interesting designs. (5/10/2006)
Category: science projects diy howto - Updated: 2009/07/23
LED flasher oscillator two transistors easy to build circuit schematic

Transistor LED Flasher

A simple LED flasher that uses only two transistors, one capacitor and one resistor. This basic oscillator can have other simple applications. (6/10/2006)
Category: electronics circuits light diy - Updated: 2009/07/23
usb led light schematic

USB LED Light.

A simply and easy-to-make circuit, useful when working with the computer at night. (6/8/2006)
Category: homemade diy computer light - Updated: 2009/07/23

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