Category Archives: led hacks

Global Status Board Keeps Eye on COVID-19 Situation

When it comes to keeping abreast of the COVID-19 pandemic, there are basically two schools of thought. Some people would rather not hear the number of confirmed cases or deaths, and just want to focus on those who recovered. That’s fair enough. But others want to have all of the …read more

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Posted in annunciator, api, Covid-19, ESP32, led hacks, Microcontrollers, wall mounted | Leave a comment

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

Measuring UV-C For About $5

Looking to sterilize something? Give it a good blast of the old UV-C. Ultraviolet radiation in the shortest wavelength band breaks down DNA and RNA, so it’s a great way to kill off any nasties that are lurking. But how much UV-C are you using? [Akiba] at Hackerfarm has come …read more

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Posted in arduino, Arduino Hacks, led hacks, UV-C, Zap | Leave a comment

A Smart Controller For Your DIY UV Cure Box

Resin 3D printers are finally cheap enough that peons like us can finally buy them without skipping too many meals, and what means we’re starting to see more and more of them in the hands of hackers. But to get good results you’ll also want a machine to cure the …read more

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Posted in 3d Printer hacks, controller, led hacks, led strip, Microcontrollers, oled, pwm, timer, user interface, UV cure box | 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

A Stylish Coffee Table Featuring Conway’s Game Of Life

Coffee tables are a great place to put your hot beverages, but most don’t offer a lot beyond that. For most people this is perfectly acceptable, but hackers often desire a little more. [Andrei Erdei] is one such person, who built Conway’s Game of Life into this handsome piece of …read more

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Posted in game of life, led hacks | 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

Using IR LEDs To Hide In Plain Sight

Getting by without falling under the gaze of surveillance cameras doesn’t seem possible nowadays – from malls to street corners, it’s getting more common for organizations to use surveillance cameras to keep patrons in check. While the freedom of assembly is considered a basic human right in documents such as …read more

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Posted in camera, infrared, led hacks, news, surveillance | 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