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Different Algorithms Sort Christmas Lights
Sorting algorithms are a common exercise for new programmers, and for good reason: they introduce many programming fundamentals at once, including loops and conditionals, arrays and lists, comparisons,...
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An Ode to the Aesthetic of Light in 1024 Pixels
Sometimes, brilliant perspectives need a bit of an introduction first, and this is clearly one. This video essay by [Cleggy] delivers what it promises: an ode to the aesthetic of light. But he goes...
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Time Management for Toddlers
It’s really never too early (or too late) to learn time management. All joking aside, carefully managing one’s time can result in some really wondrous achievements. So it’s best to learn early, when...
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Modular Magnetic LED Matrix
[bitluni] seems rather fond of soldering lots of LEDs, and fortunately for us the result is always interesting eye candy. The latest iteration of this venture features 8 mm WS2812D-F8 addressable LEDs,...
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Glowing Egg Is a One-Oeuf Solution for Tracking Cycles
Look, if something happened to you every three weeks or so to basically turn you into a different person and factored heavily into whether any new humans were created, you’d probably want to keep...
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2024 Tiny Games Challenge: It’s 2048, But with LEDs
Remember the game 2048? You slide numbered tiles around on a grid, combining them until you have one tile with a value of 2048 (although it’s possible to go higher). Legend has it that 2048 was created...
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It’s the Simple Things
I love minimal hacks. Limitations are sometimes the spark for our greatest creativity, and seeing someone do something truly marvelous with the simplest of technological ingredients never fails to put...
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1D Fireworks Are Nice and Quiet
Maybe you do it out of respect for the dogs and parents of young children in the neighborhood. Or maybe you do it because they’re harmful to the environment, or just because it’s too darn cold outside....
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Add Some Blinkenlights to Your Supercon Badge
We’re not sure what is more amazing here: the glow of the blinkenlights themselves, the tedium involved in creating it, or the fact that [makeTVee] soldered 280 microscopic WS2812 LEDs while at...
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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 make...
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Giant LED Matrix Fills Blank Space In The Kitchen
We’ve all got one: a blank space somewhere in our home that we don’t know what to do with. [James Miller] had one above his kitchen cabinets, so he filled it with a giant LED matrix. The result is a...
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Electronic Connect 4 Console Doesn’t Use LCD
You might think that making your own electronic games would require some kind of LCD, but lately, [Mirko Pavleski] has been making his using inexpensive 8X8 WS2812B LED panels. This lets even a modest...
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Quick and Dirty Microscope Motion Control for Focus Stacking
If you’ve spent much time looking through a microscope, you know that their narrow depth of field can be a bit challenging to deal with. Most microscopes are designed to only have a very thin slice of...
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The Curved Nature of Time Clock
While we’re told that space-time curves, we aren’t sure that was what [andrei.erdei] was going for when he built a great-looking curved LED clock. The LEDs are courtesy of a strip of 84 WS2812 smart...
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Illuminate Your Benched Things with this Death Stranding Lamp
[Pinkman] creates a smart RGB table lamp based off of the “Odradek device” robot arm from the video game “Death Stranding”. [Pinkman] adds a XIAO BLE nRF52840 Sense device, with Bluetooth support,...
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Addressable LEDs From a Z80
If you buy WS2812s under the Adafruit NeoPixel brand, you’ll receive the advice that “An 8 MHz processor” is required to drive them. “Challenge Accepted!“, says [ShielaDixon], and proceeded to first...
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The Great Resistor Embiggens the Smallest Value
With surface-mount components quickly becoming the norm, even for homebrew hardware, the resistor color-code can sometimes feel a bit old-hat. However, anybody who has ever tried to identify a random...
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DIY Arduino Hearing Test Device
Hearing loss is a common problem for many – especially those who may have attended too many loud concerts in their youth. [mircemk] had recently been for a hearing test, and noticed that the procedure...
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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 along with...
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The Sensory Bridge Is Your Path To A Desktop Rave
[Lixie Labs] are no strangers to creating many projects with LEDs or other displays. Now they’ve created a low latency music visualizer, called the Sensory Bridge, that creates gorgeous light shows...
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