The Raspberry Pi is a super fun gadget used by many creatives and DIY enthusiasts. There's a project for every room in the house, and there are several Raspberry Pi starter kits if you've never used ...

When the Eagles took the field at Lincoln Financial Field for their home opener last week, the players and fans were bathed in glowing green light. That LED display before "Thursday Night Football" ...

Color mixing is the process of combining two or more colors: red and green make yellow, blue and red make purple, red and green and blue make white. This process of mixing colors is the basis for the ...

Learn why LED lights are a much more efficient lighting alternative. Thomas Edison perfected the first incandescent light bulb in 1879. It burned for 13.5 hours. And incandescent bulbs are still ...

Light-emitting diodes (LEDs) can cause headaches or trigger migraine in some people. However, some research suggests green LEDs may help with migraine symptoms and headaches. Exposure to LEDs occurs ...

If you’ve worked on a project with small LEDs, you know the frustration of determining their polarity. This ingenious LED Probe from [David] packs a lot of useful features into a simple, ...