Category Archives: led

LED Heart Beats With The Beholder

Many a maker likes to use their craft to create gifts for loved ones. [Jiří Praus] was celebrating having been married for 5 years, and crafted this beautiful LED heart sculpture to commemorate the occasion.

The outer shell was created by first starting with a 3D printed heart shape. This …read more

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Posted in arduino nano, led, led hacks, wireframe | Leave a comment

Got Me Feeling Blue

Sleep schedules are an early casualty in the fight to be productive. Getting good sleep is an uphill battle, so anything that can help us is a welcome ally. We all know about the phone and computer settings that turn down the infamous blue hues at sunset, but what about …read more

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Posted in blue light therapy, cyborg, led, menopause, musical hacks, therapy, wearable | Leave a comment

Put Down New Roots From Home With A Free-Form Tree Of Life

Mandalas are meditative objects that mean many things to myriad religions. Psychologist Carl Jung equated them with the concept of the Self as a whole, and put forth the notion that an urge to create mandalas signifies a period of intense personal growth.

[Sander van de Bor] took up the …read more

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Posted in art, Circuit Sculpture, led, lifehacks, mandala, misc hacks, tree of life | Leave a comment

“Glixie” Puts a New Spin on Glow-In-The-Dark Displays

For as many projects as we see using Nixie tubes in new and unusual ways, there’s a smaller but often very interesting cohort of displays that fit into the “Nixie-like” category. These are projects where something other than the discharge of noble gasses is being used to form characters. This …read more

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Posted in dot matric, glow in the dark, led, misc hacks, nixie, phosphorescent, uv | Leave a comment

Handwashing Timer Makes Sure the Suds Stay On Long Enough

“Twinkle, Twinkle, Little Star”? How we wonder why you’d resort to singing a ditty to time your handwashing when you can use your social isolation time to build a touch-free electronic handwash timer that the kids — and you — might actually use.

Over the last few months, pretty much …read more

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Posted in animated, arduino, countdown, handwash, hygiene, led, matric, Medical hacks, neopixel, proximity, timer | Leave a comment

Powering Neon with a Joule Thief

Joule thief are small, fun circuits which exploit a few characteristics of electronics and LEDs in order to “steal” virtually all of the energy stored in a battery. They can operate at incredibly small voltages and are fairly simple to make. With a few modifications to this basic circuit it’s …read more

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Posted in joule thief, led, led hacks, neon, steampunk, toroid, transistor | Leave a comment

LED Shirt Does It With Tulle

Given that we are living in what most of humanity would now call “the future”, we really ought to start acting like it. We’re doing okay on the electric cars, but sartorially we’ve got some ground to make up. Helping with this effort is [Amy Goodchild], who put together …read more

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Posted in led, led hacks, wearable, Wearables, ws2812b | Leave a comment

Lighting Up a Tiny Train Needs Tiny Tools

A tiny toy train that [voidnill] illuminated with a small LED strip fragment demonstrates several challenges that come with both modifying existing products, and working with small things in general. One is that it is hard in general to work around existing design choices and materials when modifying something. The …read more

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Posted in battery, led, led hacks, led strip, train | Leave a comment

Latest FlexLED Milestone Refines the POV Display

With his FlexLED project, [Carl Bugeja] is trying to perfect a simple and affordable persistence of vision (POV) display capable of generating “holographic” characters in mid-air. Traditionally POV systems spin LEDs rapidly to create the desired illusion, but that means motors, slip rings, and noise. As the name implies, the …read more

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Posted in flexible PCB, hologram, led, led hacks, persistence of vision, RGB LED | Leave a comment

Flicker Detector Lets You Hear What You Can’t See

Have you ever looked at modern LED lighting and noticed, perhaps on the very edge of your perception, that they seemed to be flickering? Well, that’s because they probably are. As are the LEDs in your computer monitor, or your phone’s screen. Pulse width modulation (PWM) is used extensively with …read more

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Posted in audio amplifier, led, led hacks, PAM8403, pwm, solar panel | Leave a comment