2024 Business Card Challenge: POV Fidget Keeps Your Info In Their Hands

So what if we’re halfway through 2024? People who needed to fidget all along still need something to do with their hands. So why not hand them a solution with your information on it? Not only…

BikeBeamer Adds POV Display To Bicycle Wheels

Unless you’re living in a bicycle paradise like the Netherlands, most people will choose to add some sort of illumination to their bicycle to help drivers take note that there’s somethi…

2024 Business Card Challenge: Make Them Shake Your Handiwork

Before COVID, people traditionally sealed their initial introduction to each other with a handshake. Nowadays, that activity seems kind of questionable. But you can still give them something to sha…

POV Digital Clock Is The Literal Sands Of Time

Sand has been used to keep track of the passage of time since antiquity. But using sand to make a persistence of vision digital clock (English translation) is something altogether new. And it&#8217…

Spinning CRT Makes A 360 Degree Audio Oscilloscope

A question for you: if the cathode ray tube had never been invented, what would an oscilloscope look like? We’re not sure ourselves, but it seems like something similar to this mechanical tac…

A Volumetric Display With A Star Wars Look And Feel

It may not exactly be what [Princess Leia] used to beg [Obi-Wan] for help, but this Star Wars-inspired volumetric display is still a pretty cool hack, and with plenty of extra points for style. In …

Cheap Camera Gives Clay-Pigeon’s-Eye View Of Trap Shooting

Speaking from experience, it’s always fun to build something with the specific intention of destroying it. Childhood sessions spending hours building boats from scrap wood only to take them t…

Spinning Holographic POV Christmas Tree Of Death

[Sean Hodgins] really harnessed the holiday spirit to create his very own Giant Spinning Holographic Christmas Tree (of Death). It’s a three-dimensional persistence-of-vision (POV) masterpiec…

Tidy POV Display Using The ESP32

Chinese Youtuber [corebb] presents the second version of his POV display. The earlier version used 5050-sized SMT addressable LEDs, which didn’t give great resolution, so he rev’d the d…

$1 POV Display Goes Round And Round

You don’t need much to do a persistence of vision display. A few LEDs and a processor is all it really takes. [B45i] made a simple PC board with five LEDs and an ATtiny CPU. There’s a b…

3D Zoetrope Uses Illusion To Double The Frames

Although film and animation have come quite a long way, there’s still something magical about that grandaddy of them all, the zoetrope. Thanks to persistence of vision, our eyes are fooled in…

Wiggling Screen And DLP Power This Volumetric POV Display

It seems like the world is ready for a true 3D display. We’ve seen them in sci-fi for decades now, with the ability to view a scene from any angle and inspect it up close. They’ve remai…

Big Spinning Disk Makes A Small Color Video Display

The earliest televisions used a spinning disk technology called the Nipkow disk, which is exactly what [Science ‘n’ Stuff] recreated with their Arduino-based mechanical color television…