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Show HN: I built a free AI jigsaw puzzle generator, solve puzzles, earn credits

https://jigsawcat.ai/
1•AlisonLisa•1m ago•0 comments

Common.tools

https://common.tools/?debug=true
1•simonpure•3m ago•0 comments

Ask HN: Software engineers who've moved for opportunity, do you have any advice?

1•acureau•4m ago•0 comments

Deloitte's US employees can now buy $1k of Lego on the company's dime to

https://www.businessinsider.com/deloitte-employee-wellbeing-policy-offers-1000-dollars-for-lego-2025-6
1•taubek•5m ago•0 comments

Self Censorship Is Good

https://badfaithtimes.com/self-censorship-is-actually-good/
1•Tomte•6m ago•0 comments

How Pure Is This Cup of Joe? Coffee, Conspiracy, and Citizen Science

https://hackaday.com/2017/11/06/how-pure-is-this-cup-of-joe-coffee-conspiracy-and-citizen-science/
1•davikr•8m ago•0 comments

Warp 2.0: Reimagining Coding with Agentic Development Environment

https://www.warp.dev/blog
2•CharlesW•9m ago•0 comments

Judge sides with Anthropic over training AI on books without authors' permission

https://techcrunch.com/2025/06/24/a-federal-judge-sides-with-anthropic-in-lawsuit-over-training-ai-on-books-without-authors-permission/
3•moose44•10m ago•1 comments

WordPress now available for CERN websites

https://home.cern/news/announcement/computing/wordpress-now-available-cern-websites
2•taubek•13m ago•0 comments

Toxic Michigan site a "cautionary tale" as environmental funding is under threat

https://www.thenewlede.org/2025/06/michigan-pbb-superfund/
1•PaulHoule•14m ago•0 comments

Lossless LLM 3x Throughput Increase by LMCache

https://github.com/LMCache/LMCache
1•lihanc111•14m ago•1 comments

The Internal Inconsistency of Large Language Models

https://blog.kortlepel.com/internal-inconsistency-of-llms
1•lionkor•16m ago•0 comments

Benchmarking Video Encoders for LiveKit WebRTC Screen Sharing

https://gethopp.app/blog/screensharing-encoders-compared
1•iparaskev•16m ago•1 comments

The afterlife of Apple Accounts (and others)

https://sixcolors.com/post/2025/06/the-afterlife-of-apple-accounts-and-others/
3•tosh•17m ago•0 comments

BBC threatens legal action against AI startup over content scraping

https://www.theguardian.com/media/2025/jun/20/bbc-threatens-legal-action-against-ai-startup-over-content-scraping
1•dmitrygr•17m ago•0 comments

The Internet's First Hater (2015)

https://tedium.co/2015/01/06/meet-the-internets-first-hater/
1•Brajeshwar•17m ago•0 comments

Could a Data Center Rewiring Lead to 6x Faster AI?

https://spectrum.ieee.org/ai-network-architecture
2•Brajeshwar•18m ago•0 comments

Technophobia Has a Body Count

https://www.freethink.com/opinion/technophobia
1•Brajeshwar•18m ago•0 comments

Airbnb and Vrbo are going downhill like a hippo on a water slide

https://www.washingtonpost.com/opinions/2025/06/19/vacation-rentals-airbnb-vrbo/
4•diogenes_atx•18m ago•4 comments

Show HN: Simulation-Based Testing for Agents Using AG-UI Protocol

https://github.com/langwatch/scenario
4•0xdeafcafe•19m ago•1 comments

HackRF Pro

https://greatscottgadgets.com/hackrf/pro/
2•transpute•20m ago•2 comments

ChatGPT's Quiet Shift in User Data Retention and Missed Opportunity for OpenAI

https://banagale.com/chatgpts-quiet-shift-in-user-data-retention-and-missed-opportunity-for-openai-trust.htm
1•bredren•20m ago•0 comments

Shannon: Fast local search for your Claude conversation history

https://github.com/neilberkman/shannon
2•nberkman•24m ago•1 comments

Ask HN: Is there any point to re-skilling on ds/ algo as a sr.engineer?

2•vcool07•25m ago•0 comments

Containers are available in public beta for simple, and programmable compute

https://blog.cloudflare.com/containers-are-available-in-public-beta-for-simple-global-and-programmable/
8•rita3ko•25m ago•0 comments

Broadcasts in Reliable Ad-Hoc Networks

https://jasonfantl.com/posts/Broadcasts-in-Reliable-Ad-hoc-Networks/
2•jfantl•26m ago•0 comments

Training a Query Fan-Out Model

https://dejan.ai/blog/training-a-query-fan-out-model/
1•adamcarson•26m ago•0 comments

Show HN: SingConvert – Transcribe your vocal recordings into sheet music

https://latouchemusicale.com/en/apps/singconvert/
1•joris2120•28m ago•0 comments

Show HN: La Touche Musicale GuitarConvert

https://latouchemusicale.com/en/apps/guitarconvert/
1•joris2120•29m ago•0 comments

Anthropic wins a major fair use victory for AI

https://www.theverge.com/news/692015/anthropic-wins-a-major-fair-use-victory-for-ai-but-its-still-in-trouble-for-stealing-books
2•wmat•29m ago•1 comments
Open in hackernews

Circular Microcomputers embedded and powered by repurposed smartphone components

https://citronics.eu/
49•Bluestein•6h ago

Comments

LargoLasskhyfv•4h ago
I like the idea.

But I think they have smoked too much dope.

150€ excl. VAT for the 'dev-kit', which is nothing else than some low to midrange, RPI-like SBC, soldered together from used stuff(no matter how, roboticcally, by hand) is not competitive.

15 to 50 would be.

bArray•3h ago
It's literally cheaper to build this kind of thing from scratch than to try and re-use existing components like this.

Maybe there is still a market at this price point, for example if there are tax breaks, or the price of the thing you are selling is so much that the customer just swallows the extra price.

I still think it would be better if we were to go the way of modular systems. I'm currently building out a controller system that has a modular interface and should be upgradeable as I swap out components and improve it, without adding much to the overall footprint. I think this really is the way forwards with this kind of thing.

garbthetill•2h ago
yeah the website says a whole bunch of nothing imo & doesnt really define a problem needing to be solved, perhaps they've struck a deal with phone carrier's to get unsold phones that are destined for the landfill as they have a t-mobile logo on their site, thats the only business aspect I can imagine get 10s of million worth of components for like a 1/10 of the price etc

google is telling me around 400k phone like devices are thrown out into landfills everyday, there might be a market to bring down costs eventually if they get logistics properly moving

lawik•2h ago
I think this proving out the concept. A dev board costing. 150 doesn't matter for professional projects. It latters for tinkerers. What matters is unit price for desired qty.

And this has 4G/LTE (because it is a smartphone) so comparisons to base RPis are largely irrelevant.

And in industrial embedded Linux stuff there is essentially no correlation between price and performance. Most don't need performance and they aren't really cost-optimizing this bit of the production line very hard. It just needs to be certifiable, reliable and replacable.

I do hope they come down a lot in price and prove this out over many more phone variants.

LargoLasskhyfv•1h ago
> And this has 4G/LTE (because it is a smartphone) so comparisons to base RPis are largely irrelevant.

Yes? So have countless new phones at around 150€. Including screen, battery, case, and warranty.

Edit: Just for fun, a list from a german shopping/comparison site, aptly named 'scrooge', selected for LTE, at least 2GB RAM, Octacore, Android 15 to not get too old stuff, in stock, 4 days delivery max, capped at 150€ incl. delivery. Sorted for lowest price first:

https://geizhals.de/?cat=umtsover&xf=10063_15.0~2607_2048~26...

Editoftheedit: To stay with the terminology of the 'largely irrelevant base RPI', they've built (or intend to?) a base board for whatever they are using as CM/Computemodule to plug into. I see some GPIO, some USB, one Ethernet.

A little bit of board layout, soldering of mostly passive components, and that's it.

Best of luck. (LOL)

kube-system•5m ago
> It just needs to be certifiable, reliable and replacable.

I think those are some good unanswered questions here. The supply of used phones is pretty cyclical, and almost all of them are out of production when their supply peaks.

Also pretty much all smartphones rely heavily on components without data sheets and with proprietary firmware blobs that won't be updated or patched without first-party support, or at all.

msgodel•2h ago
You should be able to just reflash the phone and maybe point a small fan at the case. OEMs do everything they can to make that impractical though.
rjsw•1h ago
They seem to be treating the old phone as modular, they mount the old PCB on a carrier board with more I/O, they don't look to be desoldering individual chips.
grues-dinner•1h ago
> I still think it would be better if we were to go the way of modular systems.

Modularity can be expensive, though. The unused IO soaks up pins and pushes you to bigger packages and up the SOIC/QFP/QFN/BGA chain. You add multiplexers and transceivers and buffers and so on. The traces take board space and layers and the connectors cost a big chunk of the BOM. Separate modules add SKUs and manufacture, assembly and inventory overhead, and the offboard interfaces take space, power and time.

Whenever you have any appreciable volume, it's almost always cheaper to integrate and demodularise, even before you consider the physical size and form factor of the device.

Otherwise all embedded systems would be made of dev boards wearing a hat. Now, yes, there are many systems that use something like a RPi Compute Module or a TI ControlCard, but once you crack a certain volume, it's an easy cost optimisation to "flatten" it into a single PCB.

And the one thing you do not want from designing around a module is the possibility that the supply of surplus OldPhone X3 mainboards or whatever dries up in two years and it turns out the new generation of modules are just a bit different.

voidUpdate•3h ago
Disappointed that the microcomputers are not, in fact, circular
uticus•1h ago
Agreed.

From the About page: "...we demonstrate the technical feasibility and economical viability of circular business models..." I guess that means circular as in "recycled" parts?

rjsw•1h ago
Circular economy [1] is a well understood term.

[1] https://en.wikipedia.org/wiki/Circular_economy

mystified5016•1h ago
These are neither circular nor microcomputers.

Also the entire website reads like an 8th grader trying to pad out an essay to hit the page count requirement. Lots of words just taking up space. Also the same level of language mastery, they really need a proofreader.

DrNosferatu•1h ago
Very nice!

A tax reduction would be fair, in the amount of the effective circularity.

But the price needs to come down - ideally by one order of magnitude.

lproven•1h ago
> Circular

You keep using that word. I do not think it means what you think it means.