A Cold Light To Warm Your Heart

Halloween is coming fast and what better way to add to your Halloween ornamentation than [Wagiminator]’s cute NeoCandle tea light simulator. [Wagiminator] has modified a 3D printed ghost alon…

TTP223 Brings Simple Touch Controls To A LED Lamp

You can buy small modules with capacitive touch detection ICs — most often it’s the TTP223, a single-button capacitive model with configurable output modes. These are designed to pair w…

Rib Cage Lamp Kicks It Up A Notch With Party Mode

We think [Michelle]’s sound-reactive rib cage lamp turned out great, and the photos and details around how it was made are equally fantastic. The lamp is made of carved and waxed wood, and in…

Your Mug Will Like This Glowy Coaster

[Charlyn] wanted to highlight their friends beautiful mug collection, so the Glowy Coaster was born. The coaster is made up of six layers of laser cut acrylic. The top and bottom layer are cut out …

Animated LED Arrows Point The Way

Visitors at the Garden D’Lights in Bellevue, Washington had a problem. While touring the holiday lights show, they kept straying off the path. The event organizers tried some simple LED arrow…

Chandelier Mimics The Solar Analemma

The solar analemma is the shape the sun traces out when photographed each day at the same time and same location for a whole year – but you probably knew that already. [makendo] decided to us…

As Europe Goes To LEDs, Scientists Worry

There was a time when street lighting means someone had to go light the lamps. Electricity changed that, but street and outdoor lighting has been quietly going through a new revolution: LEDs. The p…

LED Clock Has Its Pipes On Display

For most hackers and makers, building a clock is a rite of passage. Few, though, will be as unusual and engaging as this design by [TerraG2]. By combining addressable LEDs, light pipes and 7-segmen…

Building A Glowing Demon Core Lamp

The so-called Demon Core was a cursed object, a 6.2 kilogram mass of plutonium intended to be installed in a nuclear weapon. Instead, slapdash experimental techniques saw it feature in several trag…

Share Screen To RGB Panel With Pi Pico W

RGB LEDs are great for adding a bit of color to your life, and it’s even more satisfying to use a matrix of them as a graphic display. [bitluni] built an RGB LED display with Pi Pico to which…

LED Clock Uses Micro QR Codes To Show The Time

As you probably know, we love our clocks here at Hackaday. Odd display technologies are always interesting to see, as are unusual encoding techniques such as binary, ternary or higher-radix number …

Circuit-less PCB Featured As Faceplate For A Digital Clock

If there’s no circuitry on a printed circuit board, does it cease being a “PCB” and perhaps instead become just a “PB”? Call them what you will, the fact that PCBs hav…

DIY LED Bulb Lacks Correct Lugs, So M3 Bolts To The Rescue

[Damo] has an interesting LED bulb project with a neat twist: he converted some outdoor lighting to 12 V LED lighting with some self-designed bulb replacements and decided to reuse the existing GU1…

Washington, DC Finally Gets Its Own PCB Metro Map

There was a time, not so long ago, when folks who wanted to make their own custom PCBs would have found themselves in the market for a bucket of acid and a second-hand laser printer. These days, al…

Throwback: Designing Addressable LEDs From Scratch

These days, addressable LEDs are all the rage. A little chip paired with each LED receives signals and modulates the light output as needed. [John Peterson] was working on a project along these ver…

Hackable OSHW CardClock Demands Attention

When examining a project, it’s easy to be jaded by a raw parts list. When the main component is an ESP8266, we might say “oh, another 8266 project. yawn!” But we’re certain …

Temperature-Sensitive Pac-Man/Ghost LED Matrix

If you’re like us, you never get tired of retro game-inspired projects, and the dynamic duo, [monsely], seem to love them too. Their Temperature-Sensitive Pac-Man/Ghost LED Matrix would make …

Berlin Clock Takes Inspiration From Sci-Fi Sources, Looks Incredible

What would a HAL9000 look like if it eye were yellow and sat atop a front panel inspired by an Altair 8800? You’d have today’s feature, [Stephan]’s BerlinUhr, a gorgeous little ta…

When Is An LED A Lamp? When It’s 50mm Wide

Call us childlike, but we sure do get a kick out of both larger-than-life and miniature things, especially when they work as their “normal-sized” counterparts do. So you can imagine our…

RGB 7-Segment Display Module Glows In All The Colours

While 7-segment displays are all well and good, they’re considered a bit old hat these days. This project from [Matt Deeds] brings them screaming into the future, though, sporting every color…