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Hacker NewsDual interfacial H-bonding-enhanced deep-blue hybrid copper–iodide LEDs<a href="https://www.researchsquare.com/article/rs-4114691/v1" rel="nofollow noopener" translate="no" target="_blank">https://www.researchsquare.com/article/rs-4114691/v1</a><a href="https://mastodon.social/tags/HackerNews" class="mention hashtag" rel="nofollow noopener" target="_blank">#HackerNews</a> <a href="https://mastodon.social/tags/DualInterfacialHBonding" class="mention hashtag" rel="nofollow noopener" target="_blank">#DualInterfacialHBonding</a> <a href="https://mastodon.social/tags/DeepBlue" class="mention hashtag" rel="nofollow noopener" target="_blank">#DeepBlue</a> <a href="https://mastodon.social/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a> <a href="https://mastodon.social/tags/CopperIodide" class="mention hashtag" rel="nofollow noopener" target="_blank">#CopperIodide</a> <a href="https://mastodon.social/tags/Hybrid" class="mention hashtag" rel="nofollow noopener" target="_blank">#Hybrid</a> <a href="https://mastodon.social/tags/ResearchInnovation" class="mention hashtag" rel="nofollow noopener" target="_blank">#ResearchInnovation</a>

LectronzNow in stock on Lectronz: Fibonacci64 - 86mm disc with 64 WS2812 RGB LEDs <a href="https://lectronz.com/products/fibonacci64-86mm-rgb" rel="nofollow noopener" translate="no" target="_blank">https://lectronz.com/products/fibonacci64-86mm-rgb</a> by <a href="https://leds.social/@jasoncoon" class="u-url mention" rel="nofollow noopener" target="_blank">@jasoncoon</a> <a href="https://mastodon.social/tags/Displays" class="mention hashtag" rel="nofollow noopener" target="_blank">#Displays</a> <a href="https://mastodon.social/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a> <a href="https://mastodon.social/tags/Lights" class="mention hashtag" rel="nofollow noopener" target="_blank">#Lights</a>

LectronzNew on Lectronz: Fibonacci64 - 86mm disc with 64 WS2812 RGB LEDs <a href="https://lectronz.com/products/fibonacci64-86mm-rgb" rel="nofollow noopener" translate="no" target="_blank">https://lectronz.com/products/fibonacci64-86mm-rgb</a> by <a href="https://leds.social/@jasoncoon" class="u-url mention" rel="nofollow noopener" target="_blank">@jasoncoon</a> <a href="https://mastodon.social/tags/Displays" class="mention hashtag" rel="nofollow noopener" target="_blank">#Displays</a> <a href="https://mastodon.social/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a> <a href="https://mastodon.social/tags/Lights" class="mention hashtag" rel="nofollow noopener" target="_blank">#Lights</a>

LectronzNow in stock on Lectronz: Lux Lavalier - Wearable Light Art Pendant <a href="https://lectronz.com/products/lux-lavalier-wearable-light-art-pendant" rel="nofollow noopener" translate="no" target="_blank">https://lectronz.com/products/lux-lavalier-wearable-light-art-pendant</a> by <a href="https://leds.social/@jasoncoon" class="u-url mention" rel="nofollow noopener" target="_blank">@jasoncoon</a> <a href="https://mastodon.social/tags/Displays" class="mention hashtag" rel="nofollow noopener" target="_blank">#Displays</a> <a href="https://mastodon.social/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a> <a href="https://mastodon.social/tags/Lights" class="mention hashtag" rel="nofollow noopener" target="_blank">#Lights</a>

FranzTFällt Aus, muss mich um etwas kümmernIch werde ab ~18:45 mich mit den Resten Vom LED-Nähen Workshop unter die Bäume (Links gegenüber der Lavawiese) setzen. und ein Bisschen nähen. <a href="https://chaos.social/tags/gpn" class="mention hashtag" rel="nofollow noopener" target="_blank">#gpn</a> <a href="https://chaos.social/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a> <a href="https://chaos.social/tags/N%C3%A4hen" class="mention hashtag" rel="nofollow noopener" target="_blank">#Nähen</a>

gallaugher120 NeoPixel patio <a href="https://mastodon.world/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a> (two strings of 60) powered by a Pico 2w on a mobile phone wall wart. Not as bright as l'd like. Will distribute power but the simple <a href="https://mastodon.world/tags/CircuitPython" class="mention hashtag" rel="nofollow noopener" target="_blank">#CircuitPython</a> animations look cool. Any good recs of brighter NeoPixels to spread out on a field for an animated matrix-style installation?

IT NewsDetermine Fundamental Constants with LEDs and a Multimeter - There are (probably) less than two dozen fundemental constants that define the phy... - <a href="https://hackaday.com/2025/05/17/determine-fundamental-constants-with-leds-and-a-multimeter/" rel="nofollow noopener" translate="no" target="_blank">https://hackaday.com/2025/05/17/determine-fundamental-constants-with-leds-and-a-multimeter/</a> <a href="https://schleuss.online/tags/plancksconstant" class="mention hashtag" rel="nofollow noopener" target="_blank">#plancksconstant</a> <a href="https://schleuss.online/tags/experiment" class="mention hashtag" rel="nofollow noopener" target="_blank">#experiment</a> <a href="https://schleuss.online/tags/education" class="mention hashtag" rel="nofollow noopener" target="_blank">#education</a> <a href="https://schleuss.online/tags/science" class="mention hashtag" rel="nofollow noopener" target="_blank">#science</a> <a href="https://schleuss.online/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#physics</a> <a href="https://schleuss.online/tags/leds" class="mention hashtag" rel="nofollow noopener" target="_blank">#leds</a>

Pyrzout :vm:Determine Fundamental Constants with LEDs and a Multimeter <a href="https://hackaday.com/2025/05/17/determine-fundamental-constants-with-leds-and-a-multimeter/" rel="nofollow noopener" translate="no" target="_blank">https://hackaday.com/2025/05/17/determine-fundamental-constants-with-leds-and-a-multimeter/</a> <a href="https://social.skynetcloud.site/tags/planck" class="mention hashtag" rel="nofollow noopener" target="_blank">#planck</a>'sconstant <a href="https://social.skynetcloud.site/tags/experiment" class="mention hashtag" rel="nofollow noopener" target="_blank">#experiment</a> <a href="https://social.skynetcloud.site/tags/education" class="mention hashtag" rel="nofollow noopener" target="_blank">#education</a> <a href="https://social.skynetcloud.site/tags/Science" class="mention hashtag" rel="nofollow noopener" target="_blank">#Science</a> <a href="https://social.skynetcloud.site/tags/physics" class="mention hashtag" rel="nofollow noopener" target="_blank">#physics</a> <a href="https://social.skynetcloud.site/tags/leds" class="mention hashtag" rel="nofollow noopener" target="_blank">#leds</a>

Martin HamiltonMayke [10/31] - Stealthy hat tricks for the fashion conscious hacker. :blobcatchristmasglowsticks: <a href="https://martinh.net/hacks/fun-hat/" rel="nofollow noopener" translate="no" target="_blank">https://martinh.net/hacks/fun-hat/</a><a href="https://martinh.net/tags/mayke" class="mention hashtag" rel="nofollow noopener" target="_blank">#mayke</a> <a href="https://martinh.net/tags/mayke25" class="mention hashtag" rel="nofollow noopener" target="_blank">#mayke25</a> <a href="https://martinh.net/tags/led" class="mention hashtag" rel="nofollow noopener" target="_blank">#led</a> <a href="https://martinh.net/tags/leds" class="mention hashtag" rel="nofollow noopener" target="_blank">#leds</a> <a href="https://martinh.net/tags/hat" class="mention hashtag" rel="nofollow noopener" target="_blank">#hat</a> <a href="https://martinh.net/tags/hacker" class="mention hashtag" rel="nofollow noopener" target="_blank">#hacker</a> <a href="https://martinh.net/tags/hackspace" class="mention hashtag" rel="nofollow noopener" target="_blank">#hackspace</a> <a href="https://martinh.net/tags/hackerspace" class="mention hashtag" rel="nofollow noopener" target="_blank">#hackerspace</a> <a href="https://martinh.net/tags/makerspace" class="mention hashtag" rel="nofollow noopener" target="_blank">#makerspace</a>

Martin HamiltonMayke [5/31] - Making a shiny 🎇 blinkenlight bling bag 🎇 that reacts to the sounds around it<a href="https://martinh.net/hacks/algorave-cyberbag/" rel="nofollow noopener" translate="no" target="_blank">https://martinh.net/hacks/algorave-cyberbag/</a><a href="https://martinh.net/tags/mayke" class="mention hashtag" rel="nofollow noopener" target="_blank">#mayke</a> <a href="https://martinh.net/tags/mayke25" class="mention hashtag" rel="nofollow noopener" target="_blank">#mayke25</a> <a href="https://martinh.net/tags/cyber" class="mention hashtag" rel="nofollow noopener" target="_blank">#cyber</a> <a href="https://martinh.net/tags/cyberbag" class="mention hashtag" rel="nofollow noopener" target="_blank">#cyberbag</a> <a href="https://martinh.net/tags/bag" class="mention hashtag" rel="nofollow noopener" target="_blank">#bag</a> <a href="https://martinh.net/tags/cybertasche" class="mention hashtag" rel="nofollow noopener" target="_blank">#cybertasche</a> <a href="https://martinh.net/tags/algorave" class="mention hashtag" rel="nofollow noopener" target="_blank">#algorave</a> <a href="https://martinh.net/tags/blinkenlight" class="mention hashtag" rel="nofollow noopener" target="_blank">#blinkenlight</a> <a href="https://martinh.net/tags/leds" class="mention hashtag" rel="nofollow noopener" target="_blank">#leds</a> <a href="https://martinh.net/tags/blinkenbag" class="mention hashtag" rel="nofollow noopener" target="_blank">#blinkenbag</a> <a href="https://martinh.net/tags/sheffield" class="mention hashtag" rel="nofollow noopener" target="_blank">#sheffield</a> <a href="https://martinh.net/tags/pimoroni" class="mention hashtag" rel="nofollow noopener" target="_blank">#pimoroni</a> <a href="https://martinh.net/tags/patternclub" class="mention hashtag" rel="nofollow noopener" target="_blank">#patternclub</a>

Martin Hamilton<a href="https://martinh.net/tags/NotSoSilentSunday" class="mention hashtag" rel="nofollow noopener" target="_blank">#NotSoSilentSunday</a> :cyber: bag :aMarxParty: <a href="https://martinh.net/tags/miracat" class="mention hashtag" rel="nofollow noopener" target="_blank">#miracat</a> <a href="https://martinh.net/tags/BreakCore" class="mention hashtag" rel="nofollow noopener" target="_blank">#BreakCore</a> <a href="https://martinh.net/tags/cyber" class="mention hashtag" rel="nofollow noopener" target="_blank">#cyber</a> <a href="https://martinh.net/tags/bag" class="mention hashtag" rel="nofollow noopener" target="_blank">#bag</a> <a href="https://martinh.net/tags/CyberBag" class="mention hashtag" rel="nofollow noopener" target="_blank">#CyberBag</a> <a href="https://martinh.net/tags/CyberTasche" class="mention hashtag" rel="nofollow noopener" target="_blank">#CyberTasche</a> <a href="https://martinh.net/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a>

Janet HansenThe WOW Festival (<a href="http://wowfestival.org" rel="nofollow noopener" translate="no" target="_blank">http://wowfestival.org</a>) is happening at UCSD this weekend! I did some of the LED lighting for ODDISEA: A Puppet Procession, by Animal Cracker Conspiracy. They are one of the roaming free events, starting at 7:30pm on April 24, 25, and 26th. <a href="https://leds.social/tags/art" class="mention hashtag" rel="nofollow noopener" target="_blank">#art</a> <a href="https://leds.social/tags/sandiego" class="mention hashtag" rel="nofollow noopener" target="_blank">#sandiego</a> <a href="https://leds.social/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a>

Instant ArcadeBought some new HUB75E panels and the colors are noticeably yellower (warmer) than any other panels I have.Anyone know what's going on here? <a href="https://leds.social/tags/RGB" class="mention hashtag" rel="nofollow noopener" target="_blank">#RGB</a> <a href="https://leds.social/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a> <a href="https://leds.social/tags/electronics" class="mention hashtag" rel="nofollow noopener" target="_blank">#electronics</a>

LectronzNow in stock on Lectronz: Lux Lavalier Heart- Wearable Light Art Pendant <a href="https://lectronz.com/products/lux-lavalier-heart-wearable-light-art-pendant" rel="nofollow noopener" translate="no" target="_blank">https://lectronz.com/products/lux-lavalier-heart-wearable-light-art-pendant</a> by <a href="https://leds.social/@jasoncoon" class="u-url mention" rel="nofollow noopener" target="_blank">@jasoncoon</a> <a href="https://mastodon.social/tags/Displays" class="mention hashtag" rel="nofollow noopener" target="_blank">#Displays</a> <a href="https://mastodon.social/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a> <a href="https://mastodon.social/tags/Lights" class="mention hashtag" rel="nofollow noopener" target="_blank">#Lights</a>

Linux BurgAuf den Chemnitzer Linux-Tagen 2025 habe ich einen Junior-Workshop zum Thema <a href="https://burningboard.net/tags/Calliope" class="mention hashtag" rel="nofollow noopener" target="_blank">#Calliope</a> mini gehalten. Als Ergänzung möchte ich das Projekt “Externe <a href="https://burningboard.net/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a> steuern” nochmals im Detail erklären. Dazu lade ich alle Interessierten ein, am Online-Treffen auf unserer Jitsi-Meet-Instanz teilzunehmen. <a href="https://linux-burg.de/posts/online-treffen-zum-thema-calliope-mini/" rel="nofollow noopener" translate="no" target="_blank">https://linux-burg.de/posts/online-treffen-zum-thema-calliope-mini/</a> <a href="https://burningboard.net/tags/clt2025" class="mention hashtag" rel="nofollow noopener" target="_blank">#clt2025</a>

StylusJust playing Super Mario All Stars on an RGB matrix panel as you do.To keep things together better, I 3D printed a bracket in two pieces, the subject of a work in progress playground note: <a href="https://adafruit-playground.com/u/jepler/pages/3d-printed-bracket-for-4-64x64-2mm-rgb-matrix-panels" rel="nofollow noopener" translate="no" target="_blank">https://adafruit-playground.com/u/jepler/pages/3d-printed-bracket-for-4-64x64-2mm-rgb-matrix-panels</a>This is using a 3rd party breakout board with 3 HUB75 connectors. I recently added the ability to drive up to 3 connectors to Adafruit Piomatter, as well as temporal dithering.In this specific interest, I'm using 2 connectors to drive a total of 4 64x64 panels. <code>--num-planes=6 --num-temporal-planes=2</code> means I'm getting effective 18 bit color, albeit with the least significant 2 bits being shown on alternate refreshes, creating a tiny amount of 44Hz color shimmer.All these "go faster" tricks together give me about 88Hz refresh rate on the panel, despite that we're still limited to about 10MB/s of data between the PI's main CPU and the PIO peripheral that's acting as the LED controller.<a href="https://social.afront.org/tags/Adafruit" class="mention hashtag" rel="nofollow noopener" target="_blank">#Adafruit</a> <a href="https://social.afront.org/tags/RaspberryPi" class="mention hashtag" rel="nofollow noopener" target="_blank">#RaspberryPi</a> <a href="https://social.afront.org/tags/Pi5" class="mention hashtag" rel="nofollow noopener" target="_blank">#Pi5</a> <a href="https://social.afront.org/tags/HUB75" class="mention hashtag" rel="nofollow noopener" target="_blank">#HUB75</a> <a href="https://social.afront.org/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a>

Kernel Bob<a href="https://techhub.social/@3dprinting" class="u-url mention" rel="nofollow noopener" target="_blank">@3dprinting</a> And of course there will be LEDs for illumination, and an ESPHome (or maybe two) to monitor and control it.🧵 4/N<a href="https://chaos.social/tags/FilaBillyHumidor" class="mention hashtag" rel="nofollow noopener" target="_blank">#FilaBillyHumidor</a> <a href="https://chaos.social/tags/ESPHome" class="mention hashtag" rel="nofollow noopener" target="_blank">#ESPHome</a> <a href="https://chaos.social/tags/LEDs" class="mention hashtag" rel="nofollow noopener" target="_blank">#LEDs</a>

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