Category Archives: led hacks

Hacking This Smart Bulb Is Almost Too Easy

The regular Hackaday reader no longer needs to be reminded about how popular the ESP8266 is; they see the evidence of that several times a day. But what might not be quite so obvious is that it isn’t just us hacker types that are in love with the inexpensive IoT …read more

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Posted in Arduino IDE, ESP, LED driver, led hacks, LOHAS, Microcontrollers, MY9231, Smart Bulb | Leave a comment

New Part Day: Two Millimeter Addressable LEDs

The WS2812, or “Neopixels”, or whatever you want to call them, are the standard when it comes to adding blinky to anything. These chips are individually addressable RGB LEDs, which you’ve seen in many LED strips and a thousand other products. These LEDs are rather big compared to normal, dumb …read more

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Posted in hardware, led hacks, RGB LED, ws2812, WS2812-2020 | Leave a comment

The Battery is Part of the Art

A work of art is appreciated for its own sake and we will never tire of seeing stunning circuits from microscopic dead-bugs to ornate brass sculptures. We also adore projects that share the tricks to use in our own work. Such is the case with [Jiří Praus] who made some …read more

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Posted in art, blinkenlights, jewelry, lead-free, led, led hacks, necklace, rohs, solder | Leave a comment

LED Music Visualizer Bespeckles Your Bedroom

When it comes to wall-mounted ornamentation, get ready to throw out your throw-rugs and swap them for something that will pop so vividly, you’ll want to get your eyes checked. To get our eyes warmed up and popping, [James Best] has concocted a gargantuan 900-RGB-LED music visualizer to ensure that …read more

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Posted in fourier transform, led hacks, Teensy, ws2812b | Leave a comment

IKEA Cloud Lamp Displays The Weather With An ESP8266

The IKEA DRÖMSYN is a wall mounted cloud night light that’s perfect for a kid’s room. For $10 USD, it’s just begging for somebody to cram some electronics in there and make it do something cool. Luckily for us, [Jodgson] decided to take on the challenge and turned this once …read more

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Posted in led hacks, Microcontrollers, openweathermap, RGB LED, sk6812, weather display, wemos d1 mini | Leave a comment

New PCB Revives Ancient Bubble LED Displays

For those of us who remember LED calculators, the HP 5082-7400 series red “bubble” displays hold a special charm. Available in 3, 4, or 5-digit varieties, these multiplexed 7-segment displays provided countless hours of entertainment to those who would spell upside-down words on their pocket calculators. In case you happen …read more

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Posted in 7 segment, bubble display, HP5082, led hacks, Multiplex7seg | Leave a comment

Simple Trick for LEDs on Solderless Breadboards

Sometimes the most useful hacks are also the simplest ones. A case in point is the LED and resistor assembly that [Skippy] recently posted on his blog. The idea is to solder up some pre-made indicators with integrated resistors to save space on the breadboard when prototyping — instead of …read more

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Posted in breadboard hacks, led, led hacks, solderless breadboard | Leave a comment

Animated Pixel Lamp Is A Must For Any Chiptuner’s Bedroom

Lamps are quite often simple things, designed to light an area and perhaps add a touch of style to a room. Of course, it’s 2019 now, and we don’t need to settle for just that. We can have wildly colored animated lamps if we want to! (French Youtube link, embedded …read more

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Posted in lamp, led, led hacks, LED lamp | Leave a comment

Make Your Own Old School LED Displays

We live in an era in which all manner of displays are cheap and readily available. A few dollars spent online can net you a two-line alphanumeric LCD, a graphical OLED screen, or all manner of other options. Years ago however, people made do with little monolithic LED devices. [sjm4306] …read more

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Posted in 7 segment, display, led, LED display, led hacks | Leave a comment

A Work Light For Hacker Events

If you’ve ever attended a hacker camp, you’ll know the problem of a field of tents lit only by the glow of laser illumination through the haze and set to the distant thump of electronic dance music. You need to complete that project, but the sun’s gone down and you …read more

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Posted in 2019 Hackaday Prize, led, led hacks, light, lighting, The Hackaday Prize | Leave a comment