Discover how to build a simple and effective external LED light for your smartphone with this hands-on tutorial. Using a ...

Discover three innovative DIY hacks in this video! Learn how to make a compact LED flashlight using a pen and coin cell ...

[nebulous] has a lot of problems with his kitchen cabinets. Aside from a noted lack of micro-controllers, he was especially suspicious of the dark spaces under them. Anything could be hiding there.

[Jared] sent us a feature he posted involving time-lapse photography and an LED. Using a custom built aparatus an LED is moved on two axis’ during a long exposure of around thirty seconds. The frame ...