Category led

Nixie suduku and on-die LEDs

The best booths at Maker Faire draw you in with something unbelievably cool or ridiculously absurd, and bring out a state-of-the-art technology just as your curiosity for the main feature starts to wane. [John Sarik]‘s booth for a class he’s TAing at Columbia – Modern Display Science and Technology - is one of these booths. The main [...]

Retroball or Super Pong Table Grows Up

Retroball is, as its Kickstarter campaign says, “Retro Fun for up to Four Players.” What you might not know, is that it’s ancestor was featured here earlier last year. With a year and a half of development underway, the build looks spectacular, and the people in their promo video look like they’re having lots of [...]

Using an undocumented display with an FPGA

When [Mike] ran across a display on Deal Extreme with 8 seven-segment displays, 8 red/green LEDs, and 8 buttons, he knew it would find a good home in a future project. There was only one problem, though: except for an Arduino library, there was absolutely no documentation available for this display. Wanting to use this display with [...]

More LED Maddness!

So last week [Caleb] posted an article about hacking a floating LED ball.  In response, here’s a couple simple LED hacks or repurposings that I’ve come up with recently. LED Solar Glow Cube: If you’ve ever seen path lights lighting up people’s gardens or walkways you may have wondered what components they had in them [...]