No content found

Solar Spinners for Your Windowsill!


This is an easy-to-build simple solar engine, also known as a Trimmet. We will construct a direct-drive type (as opposed to a voltage-triggered) spinner that will really go nowhere fast in direct sunlight. Perfect for windowsills and desktops that get a lot of old Sol’s rays. Many different styles are... Read more »

Battery-Heated Poncho

  • By
  • 12/18/2012 @ 10:57 pm

What is better, heating a room or heating yourself? When you are thinking on the last option, I have a very simple method. You can use a 12-volt electric blanket. The only thing you need to do is to make a slit in the center of the blanket to put... Read more »

Solder a Digitally Addressable RGB LED Strip


Since the Digitally Addressable RGB LED Strips come in one big reel and are then cut off, occasionally you get a piece doesn’t have the leads tinned for soldering. So how do you fix this problem? Follow this guide and I’ll show you! Once you complete this guide you can... Read more »

Hand-Crank USB Charger


I wanted to be able to charge my cell phone, MP3 player, and other USB devices while not having plug-in power available. This hand-crank generator, originally designed by Ben Heck, ended up working the best. Read more »