In this article I will add some simple Arduino LED projects starting with basic ones like how to turn on an LED, blinking, and more. Every step will have the code, the schematic, photos of the project ...

Why are my LED bulbs flickering? Do you think the bulbs are bad, or is it some other sinister problem in my electrical system and my house might catch on fire? -- Brad G., Tulsa, Okla.

If you want to stop ringing in the ears at night or during the day, managing stress by practicing stress reduction techniques like breathing exercises may help.