[Tim]’s Dice10 is an exercise in minimalism. Building an electronic dice using an ATtiny10 with code that fits within 1kB is not too difficult. Charlieplexing the LED’s would have used three of the ...

Recently, I was working on a project that needed a couple of LEDs on its front panel for status indication. I realize many, if not most, pieces of electronic equipment now use graphic LCDs, Bluetooth ...

Microcontroller port pins can typically be driven either high or low, or else be put into an "input" or high-impedance state. This circuit uses the three states to drive two separate LEDs with one ...

I just got my first Arduino board and have already been having a ton of fun with it. Of course, I started with the simple projects so I could learn to walk before running. Here are the first three ...

There is usually a pin-out on the SCSI controller. Just connect the IDE HDD LED and enjoy. If you are already using this LED for another IDE device, go buy a new one and drill a hole in the case to ...

I’m a big proponent of DIY PC building and I tend to describe it as “relatively straightforward.” For the most part, everything just plugs in where it should. But there is one aspect of putting ...

The Tittle light is an interactive LED lamp that promises to bring a little lighting fun to your home. Named after the dot on top of the letter “i,” the Tittle packs 512 LED dots into a cube shaped ...

Allegro MicroSystems announced two new adjustable linear current regulators for driving automotive LED arrays. Allegro's AEC-Q100 qualified A6274 and A6284 devices include many new features designed ...