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OpenCiv3: Open-source, cross-platform reimagining of Civilization III

https://openciv3.org/
624•klaussilveira•12h ago•182 comments

The Waymo World Model

https://waymo.com/blog/2026/02/the-waymo-world-model-a-new-frontier-for-autonomous-driving-simula...
926•xnx•18h ago•548 comments

What Is Ruliology?

https://writings.stephenwolfram.com/2026/01/what-is-ruliology/
32•helloplanets•4d ago•24 comments

How we made geo joins 400× faster with H3 indexes

https://floedb.ai/blog/how-we-made-geo-joins-400-faster-with-h3-indexes
109•matheusalmeida•1d ago•27 comments

Jeffrey Snover: "Welcome to the Room"

https://www.jsnover.com/blog/2026/02/01/welcome-to-the-room/
9•kaonwarb•3d ago•7 comments

Unseen Footage of Atari Battlezone Arcade Cabinet Production

https://arcadeblogger.com/2026/02/02/unseen-footage-of-atari-battlezone-cabinet-production/
40•videotopia•4d ago•1 comments

Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
219•isitcontent•13h ago•25 comments

Monty: A minimal, secure Python interpreter written in Rust for use by AI

https://github.com/pydantic/monty
210•dmpetrov•13h ago•103 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
322•vecti•15h ago•143 comments

Sheldon Brown's Bicycle Technical Info

https://www.sheldonbrown.com/
370•ostacke•18h ago•94 comments

Microsoft open-sources LiteBox, a security-focused library OS

https://github.com/microsoft/litebox
358•aktau•19h ago•181 comments

Hackers (1995) Animated Experience

https://hackers-1995.vercel.app/
477•todsacerdoti•20h ago•232 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
272•eljojo•15h ago•160 comments

An Update on Heroku

https://www.heroku.com/blog/an-update-on-heroku/
402•lstoll•19h ago•271 comments

Dark Alley Mathematics

https://blog.szczepan.org/blog/three-points/
85•quibono•4d ago•20 comments

Vocal Guide – belt sing without killing yourself

https://jesperordrup.github.io/vocal-guide/
14•jesperordrup•2h ago•6 comments

Delimited Continuations vs. Lwt for Threads

https://mirageos.org/blog/delimcc-vs-lwt
25•romes•4d ago•3 comments

PC Floppy Copy Protection: Vault Prolok

https://martypc.blogspot.com/2024/09/pc-floppy-copy-protection-vault-prolok.html
56•kmm•5d ago•3 comments

Start all of your commands with a comma

https://rhodesmill.org/brandon/2009/commands-with-comma/
3•theblazehen•2d ago•0 comments

Was Benoit Mandelbrot a hedgehog or a fox?

https://arxiv.org/abs/2602.01122
12•bikenaga•3d ago•2 comments

How to effectively write quality code with AI

https://heidenstedt.org/posts/2026/how-to-effectively-write-quality-code-with-ai/
244•i5heu•15h ago•188 comments

Introducing the Developer Knowledge API and MCP Server

https://developers.googleblog.com/introducing-the-developer-knowledge-api-and-mcp-server/
52•gfortaine•10h ago•21 comments

I spent 5 years in DevOps – Solutions engineering gave me what I was missing

https://infisical.com/blog/devops-to-solutions-engineering
140•vmatsiiako•17h ago•63 comments

Understanding Neural Network, Visually

https://visualrambling.space/neural-network/
280•surprisetalk•3d ago•37 comments

I now assume that all ads on Apple news are scams

https://kirkville.com/i-now-assume-that-all-ads-on-apple-news-are-scams/
1058•cdrnsf•22h ago•433 comments

Why I Joined OpenAI

https://www.brendangregg.com/blog/2026-02-07/why-i-joined-openai.html
132•SerCe•8h ago•117 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
70•phreda4•12h ago•14 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
28•gmays•8h ago•11 comments

Learning from context is harder than we thought

https://hy.tencent.com/research/100025?langVersion=en
176•limoce•3d ago•96 comments

FORTH? Really!?

https://rescrv.net/w/2026/02/06/associative
63•rescrv•20h ago•22 comments
Open in hackernews

Ubiquiti Flex Mini 2.5G Review Ubiquiti Does a Cheap 5-Port 2.5GbE Switch

https://www.servethehome.com/ubiquiti-flex-mini-2-5g-review-ubiquiti-does-a-cheap-5-port-2-5gbe-switch/
54•ksec•2mo ago

Comments

Flockster•2mo ago
We used the 1GbE version in an outdoor setting to easily connect multiple sensors in a port within a research project. Good reliability and being able to extend and "split" the ethernet connection without additional power supplies was very convenient.

We did not integrate them into a UniFi ecosystem, just used the PoE and dumb-switch functionality.

petepete•2mo ago
Similarly I've had a 1GbE one installed in my loft for the last 3 years with 4×G5 Bullets plugged into it.

No problems, no fuss, mounting options are great - would recommend that approach to anyone installing cameras.

k0ngo•2mo ago
I guess I shouldn’t be surprised, but still fun to see that they’re apparently using an ESP32 as management processor (without antenna, probably just RMII directly to the switch ASIC)

Edit: there’s a RTL8201 10/100 PHY to the left of the switch asic, that connects the ESP to one of the switch ports.

raihansaputra•2mo ago
huh i never noticed it. interesting to see, especially because everytime esp32 is brought up the opinion is that they're not fir for production scale units/quantities.

so it's the one managing the ubiquiti specific features, and controlling the switch chip?

nialse•2mo ago
Ubiquiti copies in a lawyer for what reason now? Reviewing a bought product. That is absolutely BS behavior.
boomskats•2mo ago
When you work for a big corp and someone asks you to have a conversation like this where there is no upside for you, one of the best things you can do is copy the lawyers in and nope out of there as soon as you can.
poisonborz•2mo ago
With the upcoming Realtek RTL8127 based products I would rather jump to 10G straight. Sadly there isn't much competition in that switch segment, I couldn't find reasonable products besides maybe Mikrotik CRS304-4XG-IN.
petters•2mo ago
I have Zyxel XGS1250-12 which at least has a few 10G ports.
ksec•2mo ago
Depending on cables and length I dont think every home could switch to 10Gbps. With 2.5 and 5Gbps it is much better and Realtek RTL8126 support 5Gbps.
poisonborz•2mo ago
Cat6 is a 23 year old standard, and a lot of people just connect to a NAS next room.
auguzanellato•2mo ago
> RTL8127

That’s not a switch chip. Still great that we’re finally getting cheap NICs tho

mlangenberg•2mo ago
Is there anything comparable in the TP-Link Omada ecosystem?
tepmoc•2mo ago
lots of low end switches use RTL837x series as basis nowadays
zerof1l•2mo ago
Can't find RAM and CPU specs for RTL8372N. Would be interesting to flash OpenWRT onto it.
daneel_w•2mo ago
It's just an ASIC switch, not a SoC.
general1465•2mo ago
It is managed by ESP32, so it is going to be something very minimalistic on level of FreeRTOS instead of big Linux distro.

Which means that if you know how to program ESP32 and setup the RTL8372 switch you can have massive flexibility with it. If you don't, then you are stuck with whatever Ubiquiti firmware is being run by this switch.

tepmoc•2mo ago
its basically AISC plus microcontroller - https://svanheule.net/switches/rtl8370
pshirshov•2mo ago
From my experience, these cheapo Unifi switches from Flex series are bad.

They heavily drop frames under even moderate loads (well under 2gbit). If you turn on vlan tagging, they won't hanlde more than 0.1gbit.

They work well if you need to connect a bunch of slow iot devices. Don't dare connecting them to a desktop.

The Ultra series of utility switches is rock solid though.

wil421•2mo ago
That’s not been my experience. My flex has been rock solid and it’s outside.
pshirshov•2mo ago
Try to tag a vlan on a port and pass some heavy udp traffic through it.
thatwasunusual•2mo ago
I'm a "big tagger", and I have no problem with it. I don't control the type of traffic going through it, though; from my understanding, TCP/UDP wouldn't make much of a difference?
pshirshov•2mo ago
Well, what can I say, fails for me in this scenario. Maybe the NICs on the other end matter too, but I experienced same issues on 4 different desktops with both 2.5gbit Realteks and 10gbit AQtions.

All the Flex swithes I tried glitched: USW-Flex-Mini, USW-Flex-2.5G-5 (frame drops and interface going down for several seconds) and (to lesser extent, just frame drops) USW-Flex.

Have no idea why but I observed that more under UDP loads.

Vaslo•2mo ago
Same, works great on my end, not seeing any poor experience like this.
martinald•2mo ago
For home use I have got a bunch of very cheap ($20 each?) 2.5gbit switches with 4x 2.5gbit and 2x10gbit SPF+ off aliexpress. I've ran fibre round my house and it works perfectly.
dahrkael•2mo ago
can you split the fiber or so you need one switch on every end of each fiber cable?
joemazerino•2mo ago
Bought a few of these to extend my hardware coverage around the house. The PoE slot works nice to stick it in a small access panel. Performance is good. Overall good and affordable piece of equipment.