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Hoot: Scheme on WebAssembly

https://www.spritely.institute/hoot/
2•AlexeyBrin•1m ago•0 comments

What the longevity experts don't tell you

https://machielreyneke.com/blog/longevity-lessons/
1•machielrey•3m ago•0 comments

Monzo wrongly denied refunds to fraud and scam victims

https://www.theguardian.com/money/2026/feb/07/monzo-natwest-hsbc-refunds-fraud-scam-fos-ombudsman
2•tablets•7m ago•0 comments

They were drawn to Korea with dreams of K-pop stardom – but then let down

https://www.bbc.com/news/articles/cvgnq9rwyqno
2•breve•10m ago•0 comments

Show HN: AI-Powered Merchant Intelligence

https://nodee.co
1•jjkirsch•12m ago•0 comments

Bash parallel tasks and error handling

https://github.com/themattrix/bash-concurrent
2•pastage•12m ago•0 comments

Let's compile Quake like it's 1997

https://fabiensanglard.net/compile_like_1997/index.html
1•billiob•13m ago•0 comments

Reverse Engineering Medium.com's Editor: How Copy, Paste, and Images Work

https://app.writtte.com/read/gP0H6W5
2•birdculture•18m ago•0 comments

Go 1.22, SQLite, and Next.js: The "Boring" Back End

https://mohammedeabdelaziz.github.io/articles/go-next-pt-2
1•mohammede•24m ago•0 comments

Laibach the Whistleblowers [video]

https://www.youtube.com/watch?v=c6Mx2mxpaCY
1•KnuthIsGod•25m ago•1 comments

Slop News - HN front page right now hallucinated as 100% AI SLOP

https://slop-news.pages.dev/slop-news
1•keepamovin•30m ago•1 comments

Economists vs. Technologists on AI

https://ideasindevelopment.substack.com/p/economists-vs-technologists-on-ai
1•econlmics•32m ago•0 comments

Life at the Edge

https://asadk.com/p/edge
3•tosh•38m ago•0 comments

RISC-V Vector Primer

https://github.com/simplex-micro/riscv-vector-primer/blob/main/index.md
4•oxxoxoxooo•42m ago•1 comments

Show HN: Invoxo – Invoicing with automatic EU VAT for cross-border services

2•InvoxoEU•42m ago•0 comments

A Tale of Two Standards, POSIX and Win32 (2005)

https://www.samba.org/samba/news/articles/low_point/tale_two_stds_os2.html
3•goranmoomin•46m ago•0 comments

Ask HN: Is the Downfall of SaaS Started?

3•throwaw12•47m ago•0 comments

Flirt: The Native Backend

https://blog.buenzli.dev/flirt-native-backend/
2•senekor•49m ago•0 comments

OpenAI's Latest Platform Targets Enterprise Customers

https://aibusiness.com/agentic-ai/openai-s-latest-platform-targets-enterprise-customers
1•myk-e•51m ago•0 comments

Goldman Sachs taps Anthropic's Claude to automate accounting, compliance roles

https://www.cnbc.com/2026/02/06/anthropic-goldman-sachs-ai-model-accounting.html
3•myk-e•54m ago•5 comments

Ai.com bought by Crypto.com founder for $70M in biggest-ever website name deal

https://www.ft.com/content/83488628-8dfd-4060-a7b0-71b1bb012785
1•1vuio0pswjnm7•55m ago•1 comments

Big Tech's AI Push Is Costing More Than the Moon Landing

https://www.wsj.com/tech/ai/ai-spending-tech-companies-compared-02b90046
4•1vuio0pswjnm7•57m ago•0 comments

The AI boom is causing shortages everywhere else

https://www.washingtonpost.com/technology/2026/02/07/ai-spending-economy-shortages/
2•1vuio0pswjnm7•58m ago•0 comments

Suno, AI Music, and the Bad Future [video]

https://www.youtube.com/watch?v=U8dcFhF0Dlk
1•askl•1h ago•2 comments

Ask HN: How are researchers using AlphaFold in 2026?

1•jocho12•1h ago•0 comments

Running the "Reflections on Trusting Trust" Compiler

https://spawn-queue.acm.org/doi/10.1145/3786614
1•devooops•1h ago•0 comments

Watermark API – $0.01/image, 10x cheaper than Cloudinary

https://api-production-caa8.up.railway.app/docs
2•lembergs•1h ago•1 comments

Now send your marketing campaigns directly from ChatGPT

https://www.mail-o-mail.com/
1•avallark•1h ago•1 comments

Queueing Theory v2: DORA metrics, queue-of-queues, chi-alpha-beta-sigma notation

https://github.com/joelparkerhenderson/queueing-theory
1•jph•1h ago•0 comments

Show HN: Hibana – choreography-first protocol safety for Rust

https://hibanaworks.dev/
5•o8vm•1h ago•1 comments
Open in hackernews

Can RGB light strips produce 16M colors?

4•emmasuntech•2mo ago
Dear family members, who understands!

I always thought that RGB light strips were just three colors - red, green and blue - flashing alternately, with at most an additional "seven-color gradient" to reach the end... Today, after a careful study of it, I was directly shocked!

It turns out that by adjusting the brightness of the red (R), green (G), and blue (B) channels with a controller, theoretically, over 16.7 million colors can be mixed!!

Yes, you read that right - 16,777,216 kinds! This is more comprehensive than all the colors my phone screen can display. (Well, it's actually about the same, but the key point is: it's right in my room!) .

I randomly adjusted a parameter: R=255, G=100, B=50, and instantly a super cool warm orange-red color emerged. Try R=0, G=255, B=200 again, and it immediately turns into a dreamy lake blue... Slide the color wheel and the atmosphere of the entire room will switch in an instant, from cyberpunk to a gentle sunset, all thanks to a small light strip!

I used to think "smart lighting" was just a gimmick, but now I just want to kneel down and shout: Technology is so romantic!

Has any expert ever done more amazing operations with RGB light strips? For example, changing color with music, automatically adjusting color temperature according to the weather... Please share! I'm ready to wrap all the corners of my house with light strips. (Don't stop me!)

#RGB Light Strips #DIY Light Magic

Comments

GianFabien•2mo ago
RGB LEDs (e.g. WS2812) connected to an ESP8266 and running microPython are great for experimenting. I have several "installations" that respond to broadcast datagrams (UDP). Let your imagination run riot. Add sensors, even MIDI interface.

I do doubt that you could actually discern 16M colors. But even many thousands is entertaining.