WS2182s On A 6502

We can still remember when the WS2812 LED first came into ourconsciousness, way back in the mists of time. The timing diagrams in the datasheet-of-questionable-veracity made it sound quite tricky, …

Kamehameha!! PCB Badge

PCB Art has surely captivated us over the past few years and we’re ever intrigued with the intricate detail the community puts into their work. We’re no strangers to [Arnov]’s wor…

Ninja Art: PCB Nightlight Jutsu!

This latest PCB artwork comes to you courtesy of [Arnov]. His Naruto nightlight is definitely going to get your anime-loving friends’ attention. The LED illumination styles are controlled by …

[Getting Rid Of] The Ghost In The LED

Multiplexing is a very old technology in which control signals are intermixed for the sake of being able to control more devices than there are control signals. For [mihai.cuciuc], the problems sta…

3D Printed Lithographic Moon Lamp

After years of being a software developer, [Chris] was excited to get back into embedded development and we’re glad he did. His 3D printed lithographic moon lamp combines a number of hacker a…

Back To The Future We Go With This Flux Capacitor PCB Badge

[Arnov] is a huge fan of the Back to the Future franchise, so he wanted some memorabilia from the movie to decorate his work area. Official memorabilia from successful movie franchises can be prett…

Scrolling Name Badge Is Sure To Break The Ice

Most makerspaces and hackerspaces have one night per week or month where the ‘space is open to the public in order to entice new people into joining up. Whereas most members just write their …

Wireless LEDs Aren’t Really Magic

[Atomic14] bought some wireless LEDs that receive power from a base station. They were very neatly packaged, but — we like it — he took one apart and made his own versions. They may not…

Own The Night With This Ludicrously Bright DIY Flashlight

If you’re a flashlight person, you know that there’s little you would do to get the brightest, most powerful, most ridiculous flashlight possible. You might even decide to build yoursel…

Big RGB LED Cube You Can Build Too

LED cubes are really nothing new, many of us consider the building of a good sized one almost an electronics right of passage that not so many manage to find the time or have the skill to pull off.…

Sign Detects RF To Show You Are On The Air

Like a lot of hams, [Stuart] wanted an “on the air” sign. These signs often connect to a PTT switch or maybe an output from the transmitter that also does things like switches antennas …

Learn DMX512 Basics

If you’ve done anything with modern lighting effects, you’ve probably heard of DMX, also known as DMX512. Ever wonder what’s really happening under the hood? If so, then you shoul…

LED Matrix Hourglass Knows Which Way Is Up

[Fearless Night]’s slick dual hourglass doesn’t just simulate sand with LEDs, it also emulates the effects of gravity on those simulated particles and offers a few different mode option…

Exploring An Aftermarket LED Headlight Retrofit Kit

There’s plenty of debate about drop-in LED headlight bulbs, especially when they’re used with older reflector housings that were designed for halogen bulbs. Whether or not you personall…

Bringing The Quake Flicker To Life With A Hacked Light

If you ever feel a pang of shame because you’ve been reusing the same snippets of code in your projects for years, don’t. Even the big names do it, as evidenced by the fact that code wr…

PCB Metro Maps Are A Gorgeous Labor Of Love

Is your love of public transportation matched only by your passion for designing custom PCBs? If so, then you’re going to love these phenomenal transit maps created by [Chai Jia Xun]. Using t…

What’s Cooler Than A 7-Segment Display? A 7200-Segment Display!

If you look around your desk right now, odds are you’ll see a 7-segment display or two showing you some vital information like the time or today’s weather. But think of how much informa…

Salvaging Working LEDs From “Dead” Light Bulbs

Sure the box said they would last for years or even decades, but anyone who’s picked up some bargain LED bulbs knows the reality is a bit more complicated. Sometimes a few LEDs in the array p…

Interactive LED Shoes That Anyone Can Build!

Normally when we see blinky projects these days, it’s using addressable LED strips with WS2812Bs, or similar alternatives. However, old-school blobby round LEDs are still on the market, and c…

Measuring LED Flicker, With Phototransistor And Audio App

No one likes a flickering light source, but lighting is often dependent on the quality of a building’s main AC power. Light intensity has a close relation to the supply voltage, but bulb type…