Pleins feux sur l’impact de la pollution lumineuse sur la biodiversité et notre santé mentale

L’éclairage nocturne génère une pollution lumineuse exceptionnelle. Astronomes et naturalistes réclament d’urgence...

Build Your Own Nanoleaf-Like Hex Lights

Nanoleaf makes a variety of beautiful LED lighting products, with their hexagon tiles particularly popular with gamers and streamers alike. However, they do come at a significant cost, particularly…

Building An Animated Turn Signal For The Mazda MX-5

Turn signals in most of the world are mandated to be a flashing orange light, distinct from other bulbs on a vehicle. However, there has been a trend in the modern era to go for fancier animated tu…

How The WS2812 Is Made

[Scotty Allen] of Strange Parts is no stranger to Chinese factory tours, but this one is now our favorite. He visits the font of all WS2812s, World Semi, and takes a good look at the machines that …

Taking A Public Transit Display From Project To Product

We’ve noticed an uptick in “project to product” stories lately, which seems like a fantastic trend to us. It means that hackers are turning out projects that really resonate with …

Neopixels? Try Liquid Nitrogen To Color Shift Your LEDs Instead

If you’re like us, you’ve never spent a second thinking about what happens when you dunk an ordinary LED into liquid nitrogen. That’s too bad because as it turns out, the results …

3D-Printed LED Wall Clock Does Lots With Little

This wall clock built by [Alf Müller] is lovely, using two NeoPixel rings to mark the time by casting light onto a 3D-printed ring. The blue shows the minutes, made more discrete by a grid inside t…

Mein neues Handy ist da 📱

Mein neues Handy ist da 📱 Nun gut, neu ist vielleicht ein klein wenig übertrieben, ist das #Blackberry doch schon sechs Jahre alt. Es ist aber definitiv jünger, als mein #Palm #Treo 650, dessen #Akku⁣s 🪫 so langsam anfangen zu schwächeln. Leider...

A Tiny Board For Driving LEDs In…Whatever

Whether you’re into chiptune or just playing Tetris on original hardware, you might like rocking a heavily-customized Game Boy. Lovely flashing LEDs can only improve the aesthetic, so if that…

Stage Lighting Hack Keeps La Bohème From Becoming A Dumpster Fire

With all due respect to the Utah Opera’s production of La bohème, we just couldn’t resist poking a little fun at master electrician [David Smith]’s quick lighting hack for the ope…

Printed Upgrades Improve Cheap Digital Microscope

Digital microscopes used to be something that only labs or universities might have, but as image sensor technology has progressed, the prices have fallen to the point that any classroom or hobbyist…

Backyard LED Sculpture Inspired By Las Vegas Sphere

The Las Vegas Sphere is a large building. It stands 112 meters high and 157 meters wide, and is covered in a full 54,000 square meters of LED displays. That’s a little difficult to recreate a…

Minimalist LED Lamp Is Circular Beauty Incarnate

Lamps used to be things built to provide light with specific purpose, whether as reading lamps, desk lamps, or bedside table lamps. Now we just build them for the vibes, as with this minimalist LED…

Why Are We Only Just Now Hearing About LED Beaded Curtains

Beaded curtains are a pretty banal piece of home decor, unlikely to excite most interior design enthusiasts. Throw on some addressable LEDs, though, and you’ve got something eye-catching at t…

Wireless Data Connections Through Light

When wired networking or data connections can’t be made, for reasons of distance or practicality, various wireless protocols are available to us. Wi-Fi is among the most common, at least as f…

Hackaday Prize 2023: Jumperless, The Jumperless Jumperboard

Jumperless is a jumperless breadboard with multicolored LED visualization of signals in real-time. Sounds like magic? This beautifully executed entry to the 2023 Hackaday Prize by [Kevin Santo Capp…

Hackaday Prize 2023: Ubo Project: Building For Builders

The Ubo Pod by [Mehrdad Majzoobi] is a very highly polished extension pack and enclosure for the Raspberry Pi 4, which shows you how far you can go to turn a bare PCB into something that rivals the…

Angry Robot Face Is Less Than Friendly

Sometimes you just need to create a creepy robot head and give it an intimidating personality. [Jens] has done just that, and ably so, with his latest eerie creation. The robot face is introduced t…