Here’s another fantastic tutorial from Jay, a DIY lasers expert. See all of our DIY laser projects.  I picked up this little key chain light at Lowe's. It is made from a solid piece of brass. It is very heavy duty, but very small. Beam shot -...

This incredible, RGB LED light strip allows you to address each and every LED individually, creating splendid color patters. If you were challenged by the Open Source POV Bicycle Wheel Animation project we covered last week or were thinking of...

Is there anything that the Arduino microcontroller can’t do? Just look at the vast assortment of applications in Top 40 Arduino Projects of the Web we've covered earlier. Here's another awesome arduino project by Hans Scharler. Hans uses an...

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...

Just when you thought that Hexapod robots were the best, the guys of at the Tekkotsu lab at Carnegie Mellon University develop the Chiara robot, a fully articulated 6-legged robot, which claws and high-end webcam for precision navigating and...

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...

This free software allows you to track the optimal positioning and signal strength of your wireless router.  By loading your router's position in the software, you can pinpoint it's accuracy to within 3 feet.   Basically, you take your wireless...

Instead of storing your games on their usual CDs, store them on an external hard drive and then load them at your convenience without having to even get off the couch.  Plus you could even grab some "backup copies" from online and store them on...

Forget the days of trying to locate the correct cables in patch rooms like the one pictured above. Using power over ethernet (POE), this hacker laced a standard patch cable with Electroluminescent wire (abbreviated as EL wire) allowing him to...

We've posted many tutorials about how to build your own solar panel arrays to create your own green energy.  Here's yet another outstanding tutorial to guide you through the build process.  Al tough it may seem a little daunting, the setup is...