[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 ...

Instead of building the board into the project he’s included just the parts he needs; an AVR running the Arduino bootloader, a crystal and filtering caps, and an Arduino serial to USB module for ...

You can see what it looks like in the above video—though obviously you could set up your lights differently if you don't like the way his look. CarlS warns that it's not a small project.

The traffic light server monitoring system uses an Arduino microcontroller to interface with the Xymon server monitoring software. Xymon is an open-source tool that provides real-time monitoring ...

Once you know how to use Arduino boards, you can make custom shortcut keys for your computer, change your thermostat, or even control a walking robot. But to do that, you need to start simple, and ...