How can embedded systems foster urban inclusivity? We detailed a project using the KT142C voice chip to build auditory traffic light signals. The system provides synchronized, location-specific audio cues, auto-adjusts volume day/night, and runs for years with minimal maintenance.
It’s a testament to how thoughtful engineering can create tangible social impact.
#EmbeddedSystems #AssistiveTechnology #SmartCity #Accessibility #OpenHardware #Engineering #FreeSoftware #IoT
Building an AI agent inside a 7-year-old Rails monolith
https://catalinionescu.dev/ai-agent/building-ai-agent-part-1/
#HackerNews #Building #AI #Rails #Monolith #Agent #AI #Development #Software #Engineering
We run a multi-tenant Rails application with sensitive data and layered authorization. In this post, I walk through how I added the first AI agent tool using RubyLLM, Pundit policies, and our existing Algolia search, without introducing a parallel system or loosening constraints.
🤔 Need a switch that won’t quit in harsh environments?
Industrial vs. Commercial:
🌡️ -40°C to 85°C
🛡️ IP40, fanless, metal
⚡ Redundant DC power
⏱️ <20ms self-healing
📈 10+ years MTBF
Built tough. Runs smooth. 💡
#IndustrialSwitch #Networking #IIoT #IndustrialAutomation #Ethernet #TechComparison #Engineering #NetworkReliability
🧫 Alkaline-loving microbes could help safeguard nuclear waste buried deep underground for thousands of years
https://phys.org/news/2025-12-alkaline-microbes-safeguard-nuclear-deep.html
#nuclear #microbes #geology #engineering #bacteria #chemistry #selfhealing #materials
Billions of alkaline-loving microbes could offer a new way to protect nuclear waste buried deep underground. This approach overcomes the limitations of current cement barriers, which can crack or break down over time.
Engineers need good data to build lasting things. Even the designers of the Great Pyramids knew the limestone they used to build these massive structures would be steady when stacked on top of one another, even if they didn't have tables of the compressive strength of those stones.
Post-Stellar Civilizations [Extended Edition]
Santastic — A Family Christmas Game for your Commodore Amiga.
It's Christmas! So to give you that Christmas feeling I have a nice little game for you to play that has recently been released called 'Santastic' by [Tukinem] for the Commodore Amiga. A game whereby you play as Santa and must deliver presents to children throughout a snowy landscape.
https://aminet.net/package/game/demo/Santastic
#commodore #amiga #santasic #christmas #game #retro #gaming #programming #engineering #media #tech #xmas #news #happyholidays
Project Dropstone: A Neuro-Symbolic Runtime for Long-Horizon Engineering [pdf]
https://archive.blankline.org/api/media/file/d3_engine_public_release%20(1)-1.pdf
#HackerNews #ProjectDropstone #NeuroSymbolic #Engineering #LongHorizon #AIResearch
BLE Voice
Hacker News
Sonia Song
PUMPPARTS
Paul Houle
Jack C.M
Nebula – Indie Streaming
Olly 👾
Ralph J.Mayer