[Kalle Hyvönen] just finished building his own aquarium lights. He used four powerful soft-white LEDs, mounting them on a pair of heat sinks to keep things cool. Now he could have just connected them ...

Now we can stepped into the light with our favorite microcontroller Arduino! Since a vast number of analog/digital ambient light sensors/light sensor modules are now available at reasonable price, ...

Here is a simple Arduino Camping Light project. In this design, only one push button switch is used to control the light output (from a bunch of white LEDs) between off, dim, medium, and full ...

One of the first projects that most people do on an Arduino is to light up or flash an LED. It seems ultra-simple because it ...

If you like decorating your house for the holidays, these digital LEDs save the trouble of manual teardowns by using Arduino to modify animation effects each season. Instructables user CarlS powered ...

With the holiday season fast approaching it might be time to invest in a new set of fairy lights to decorate your home or office. But why settle for boring off-the-shelf lights when you could be using ...

Riding a bicycle at night is a bit dangerous, but electronics blogger Jenna DeBoisblanc shows off how to build a system that includes turn signals, a strobe light, speedometer, and brake lights to ...

Light painting is a technique which allows you to “draw” on a photograph by moving a light past the camera during a long exposure shot. While it can be difficult to master, light painting allows for ...

We'll freely admit to having a love / hate relationship with Christmas lights and decorations. The sheer gaudiness of it all often turns our "bah humbug" nature inside out, revealing the awe struck ...

Conventional solar panels cannot completely utilise sunlight throughout the day since they are stuck in one location. For ...