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Category Archives: rgb
This RGB Tree Has its Roots in a PCB
[Paczkaexpress]’s RGB tree is a mix of clever building techniques and artistic form that come together into quite a beautiful sculpture.
The branches of his tree are made from strands of enameled copper wire capped with an RGB LED and terminated in a female header. The separate wires are all …read more
Posted in 2019 Hackaday Prize, led, led hacks, rgb, stm32, The Hackaday Prize, tree
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A Farewell To YouTube Sub Counters Set To Break With API Change
Of all the things you never would have guessed you’d need just ten years ago, a YouTube subscriber counter would probably rank highly. You would have guessed that the little hits of dopamine accompanying each tick upward of a number would be so addictive?
As it turns out, lots of …read more
Posted in api, arduino, counter, ESP8266, google hacks, led, matrix, rgb, subscribers, youtube
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Teardown: AppLights Personalized Projection
Listen, it hurts to hear, but somebody needs to say it. It’s over, OK? You’ve got to admit it and move on. Sure, you could get away with it for a week or two in January, but now it’s just getting weird. No matter how hard you fight it, the …read more
Posted in bluetooth, christmas lights, Holiday Hacks, home depot, i2c, led, led hacks, logic analyzer, projector, rgb, teardown, TTC2541
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LEDs and Pi Let You Virtually Decorate This Online Christmas Tree
Anyone who has decorated a Christmas tree knows that the lights are what really make the look. But no matter how many strings you wrap around it, there never seems to be enough. Plus the standard sets either sit there and do nothing, or just blink on and off at regular intervals. Yawn.
But hackers aim higher, and [leo.currie]’s interactive “paintable” Christmas tree takes the lighting game a step beyond. The standard light strings are replaced with strings of WS2811 RGB LEDs which are wired to an ESP8266. A camera connected to a Raspberry Pi is setup up to stream …read more
Posted in christmas, christmas tree, ESP8266, Holiday Hacks, led, PiCam, python, Raspberry Pi, rgb, ws2811
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Code Review Lamp Subtly Reminds You To Help Your Fellow Developer
[Dimitris Platis] works in an environment with a peer review process for accepting code changes. Code reviews generally are a good thing. One downside though, is that a lack of responsiveness from other developers can result in a big hit to team’s development speed. It isn’t that other developers are unwilling to do the reviews, it’s more that individuals are often absorbed in their own work and notification emails are easily missed. There is also a bit of a “tragedy of the commons” vibe to the situation, where it’s easy to feel that someone else will surely attend to the …read more
Posted in 3d printed, code review, ESP8266, led hacks, led ring, neopixel, notification, rgb, Software Development, usb, Wemos d1, wemos d1 mini
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Circuit Bending A TV For Better Input
If you haven’t noticed, CRTs are getting hard to find. You can’t get them in Goodwill, because thrift stores don’t take giant tube TVs anymore. You can’t find them on the curb set out for the trash man, because they won’t pick them up. It’s hard to find them on eBay, because no one wants to ship them. That’s a shame, because the best way to enjoy old retrocomputers and game systems is with a CRT with RGB input. If you don’t already have one, the best you can hope for is an old CRT with a composite input.
But …read more
Posted in crt, retro, retrocomputing, rgb, tv, video hacks
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Unphotogenic Lighting As A Feature
Have you ever taken a picture indoors and had unsightly black bars interrupt your otherwise gorgeous photo? They are caused by lighting which flickers in and out in its normal operation. Some people can sense it easier than others without a camera. The inconsistent light goes out so briefly that we usually cannot perceive it but run-of-the-mill camera phones scan rows of pixels in sequence, and if there are no photons to detect while some rows are scanned, those black bars are the result. Annoying, right?
What if someone dressed that bug of light up as a feature? Instead of …read more
Posted in flicker, inconvenient, led, leds, lighting, Lishield, phone hacks, photography, Portable Video Hacks, privacy, rgb, Unphotogenic, video hacks, wreck
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Blinging Buttons for Pick and Place
With 3D-printing, cheap CNC machines, and the huge variety of hardware available these days, really slick-looking control panels are getting to be commonplace. We’re especially fond of those nice indicators with the chrome bezels, and the matching pushbuttons with LED backlighting; those can really make a statement on a panel.
Sadly for [Proto G], though, the LEDs in his indicator of choice were just boring old one-color units, so he swapped them out and made these addressable RGB indicators. The stock lamps are not cheap units, but they do have a certain look, and they’re big enough to allow room …read more
Posted in control panel, indicator, led, led hacks, neopixel, pilot, rgb, switch
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Convert A Kerbside CRT TV Into An Arcade Monitor
While an old CRT TV may work well enough on a MAME cabinet project, the real arcade purists are quick to point out that a proper arcade monitor and a TV aren’t the same thing. A real arcade board uses RGB to connect to the monitor, that is, direct control over the red, green, and blue signals. Conversely video over coax or composite, what most people associate with old CRT TVs, combine all the video information down into an analog signal. Put simply, RGB allows for a much cleaner image than composite.
Many in the arcade restoration scene say that …read more
Posted in monitor, rgb
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Watch the Honeycomb Clock Gently Track Time
We love clocks here at Hackaday, and so does [John Whittington]. Last year he created this hexagonal honey clock (or “Honock”) by combining some RGB LEDs with a laser-cut frame to create a smooth time display that uses color and placement to display time with a simple and attractive system.
The outer ring of twelve hexagons is essentially the hour hand, similar to analog clock faces: twelve is up, three is directly to the right, six is straight down, and nine is to the left. The inner ring represents ten minutes per hex. Each time the inner ring fills, the …read more