Turn a simple AA battery into a powerful mini flashlight with this easy DIY project. Learn how to assemble the components and ...

Have you ever wanted to have your UV light? Good news! You can easily and inexpensively create one using everyday objects. In ...

If you’re a flashlight person, you know that there’s little you would do to get the brightest, most powerful, most ridiculous flashlight possible. You might even decide to build yourself a ...

Editor’s Update: According to the schematic for this project, SST-10-UV-A130-F405-00 (PDF) LEDs are used which produce 405nm UV-A light ... UV265-2-20 which is a UV-C LED producing 265-278nm.