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I built a low-cost CAN-bus sensor for air quality/light monitoring using ESP32

http://albert-david.blogspot.com/2026/01/building-can-based-multi-sensor-node.html
3•albert007_d•1h ago

Comments

fennec-posix•1h ago
I think this is really neat. Been wanting to create an ESP32-based environment monitoring system for outside to replace the cheap 915 MHz weather station I have. CAN might not be a bad technology to do this with since I don't really want to have yet more things emitting around 2.4/5 GHz
albert007_d•1h ago
This solution uses 2pair standard rj11 telephone cable(tested upto 15meters - can be longer) - one pair is for CAN-L/CAN-H and 2nd pair is for dc supply between 6v to 24v, esp32 firmware offers failsafe A/B upgrade mechanism over CAN.

From magic to malware: How OpenClaw's agent skills become an attack surface

https://1password.com/blog/from-magic-to-malware-how-openclaws-agent-skills-become-an-attack-surface
1•terracatta•1m ago•0 comments

public-inbox

https://public-inbox.org/meta/
1•reconnecting•2m ago•0 comments

Lane vs. Facebook, Inc. (2008) [pdf]

https://ia903409.us.archive.org/34/items/gov.uscourts.cand.206085/gov.uscourts.cand.206085.1.0.pdf
1•1vuio0pswjnm7•4m ago•0 comments

Flock Surveillance Cameras Paused in Mountain View

https://www.mountainview.gov/Home/Components/News/News/1205/284
2•qmr•6m ago•0 comments

The TSA's New $45 Fee to Fly Without ID Is Illegal

https://www.frommers.com/tips/airfare/the-tsa-new-45-fee-to-fly-without-id-is-illegal-says-regula...
5•donohoe•9m ago•1 comments

Court orders restart of all US offshore wind power construction

https://arstechnica.com/science/2026/02/court-orders-restart-of-all-us-offshore-wind-construction/
12•ck2•12m ago•0 comments

Delta – Cut LLM inference costs 30-60% with lossless compression

https://www.triage-sec.com/blog/delta-ltsc
3•nicksec•13m ago•0 comments

Jobs report postponed due to Govt shutdown

https://www.axios.com/2026/02/02/jobs-report-postponed-shutdown
1•xvxvx•14m ago•1 comments

LLMs and the Creation of Valuable Books

https://www.nber.org/papers/w34777
1•bikenaga•14m ago•1 comments

Jeffery Epstein Went to Defcon 26. Been Monitoring Since Defcon 21

https://old.reddit.com/r/Defcon/comments/1qt7p3q/jeffery_epstein_went_to_defcon_26_been_monitoring/
1•DyslexicAtheist•15m ago•0 comments

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https://protocolized.summerofprotocols.com/p/the-color-of-safety
1•laurex•18m ago•0 comments

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https://www.youtube.com/watch?v=L6_9_HHLOSY
4•consumer451•20m ago•2 comments

Git v2.53.0

https://lwn.net/ml/all/xmqq4inz13e3.fsf@gitster.g/
2•samtrack2019•20m ago•0 comments

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https://github.com/X-Loop3Labs/molt-life-kernel
2•X-Loop3•20m ago•1 comments

Chrome extension to block URL and redirect to top Hacker News

https://github.com/VChawale/url-blocker-hn-chrome
1•vchawale•23m ago•1 comments

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https://zenodo.org/records/15410945
1•ilion_identity•27m ago•0 comments

LLMs versus the Halting Problem: Revisiting Program Termination Prediction

https://www.orensultan.com/llms_halting_problem/
1•matt_d•31m ago•0 comments

Wikipedia Annual Plan – Contribute to the Big Questions

https://meta.wikimedia.org/wiki/Talk:Wikimedia_Foundation_Annual_Plan/2026-2027
1•tonymet•34m ago•0 comments

Elon Musk Merges SpaceX with XAI

https://www.nytimes.com/2026/02/02/business/spacex-xai-deal.html
3•frenchman_in_ny•37m ago•2 comments

Teachers/tutors, how do you do remote coding lessons?

1•Jamaldeen•39m ago•0 comments

Adobe Animate will be discontinued effective March 1, 2026

https://helpx.adobe.com/uk/animate/kb/end-of-life.html
3•g0ld3nrati0•43m ago•3 comments

NYC's mayor will shut down 'gifted and talented' program

https://www.dailymail.co.uk/news/article-15509309/nyc-mayor-zohran-mamdani-axe-gifted-program.html
5•mhb•44m ago•2 comments

Axiom: Hi-perf. C++ tensor lib. NumPy/PyTorch-like API, SIMD,BLAS,Metal support

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Autism vs. Dating Profile Optimizing. One Winner. Claude Skill

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2•birdmania•45m ago•1 comments

How LSP Works: Building a Grammar Checker LSP from Scratch in Rust

https://www.aroy.sh/posts/lsp-deep-dive/
2•trifiasco•48m ago•0 comments

Benchmarking LLMs for Voice Agent Use Cases

https://www.daily.co/blog/benchmarking-llms-for-voice-agent-use-cases/
1•benlower•49m ago•0 comments

Accelerating our global growth: Waymo raises $16B investment round

https://waymo.com/blog/2026/02/waymo-raises-usd16-billion-investment-round
2•boulos•50m ago•1 comments

Watching Insidious in VR in a small NYC theater

https://partiful.com/e/ydTGBueYzwm19nv4XYrq
2•danielgh7•50m ago•1 comments

We're helping preserve the genetic information of endangered species with AI

https://blog.google/innovation-and-ai/technology/ai/ai-to-preserve-endangered-species/
1•tzury•50m ago•0 comments

Porn stars can survive in the age of AI

https://www.economist.com/business/2026/01/27/how-porn-stars-can-survive-in-the-age-of-ai
3•jdkee•50m ago•1 comments