Leds & Light Hacks

Laser Sundial Clock Project

Laser Sundial Clock Project

Alessandro from 5Volt.eu has made this real simple and cool clock . The Laser Sundial Clock Project uses a Atmel microcontroller to move a servo with a line laser connected to it. The result is a single line that can simply represent the time on the...
LED Board for Google Voice to Text Message

LED Board for Google Voice to Text Message

Learn how to  and shows you how to link an LED sign to your Google Voice account which can physically show you your voicemails through an array of LEDs.  The video below walks you through a quick demonstration of how the LED message board...
DIY Burning Blue Laser Pointer

DIY Burning Blue Laser Pointer

This fantastic video demonstrates how to build a powerful, burning blue laser and place it inside a lighter. While you could get the laser diodes from the site mentioned in the video, you should buy the laser diodes way cheaper on eBay. We’ve...
RGB Computer Controlled LED Bottle Wall

RGB Computer Controlled LED Bottle Wall

What is it about the combination of color and light which makes us automatically drawn to it ? Quite appropriately the video demo of Alex Beim's LED bottle wall project is without sound. It’s all visual illumination as we watch 253 bottles...
Bicycle Wheel LED Video Displays

Bicycle Wheel LED Video Displays

Monkeylectric has just released the newest version of their bicycle mounted video displays.  Using four strips of  RGB LEDs on each wheel, you can display any video or image on your bike wheels while you ride.  A full video demonstration below...
Build a Giant VU Meter Using Light Bulbs

Build a Giant VU Meter Using Light Bulbs

Basically, a VU Meter measures loudness (volume units) of an audio signal. But this blinking VU meter project catches the eye more than the ear. The construction of the VU meter using 12 flashing bulbs is relatively simple. At the heart is a 12...
Interactive Laser with Sound Effects

Interactive Laser with Sound Effects

It's almost like playing with a firefly. This awesome interactive laser effect creates a seamless combination of sound and light. It is an interactive example of smart 3D laser tracking technology which allows the laser follows the contours of any...
Open Source POV Bicycle Wheel Animation

Open Source POV Bicycle Wheel Animation

We recently covered a fantastic POV system which displays animation or pictures on your bicycle tires as you ride.  Instead of buying that kit, you can learn to make your own quite easily.  This open source POV bike tutorial walks you through the...
Amazing LED and Laser Photography!

Amazing LED and Laser Photography!

We’ve seen some projects featuring how to draw with light using your camera’s exposure settings, but nothing compares to this. This group goes by the name of Light Art Performance Photography and they use lasers, LEDs, illuminated body suits,...
How to: Pocket size 7 Color Laser

How to: Pocket size 7 Color Laser

Hack N Mod’s laser expert, Roger (widely known as rog8811), has another fantastic laser tutorial for us.  After finishing my first 7 color laser I decided to look at ways of making a smaller, pocket sized, version. You will discover as you...