Eine Toolbox für LLM-Basteleien und saubere Experimente. Mit JarvisClaw baue ich kleine Tools. https://xitter.cf/t.co/9jjD7gZx6E
Ankara, Turkey
Joined November 2017
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Small thing from last night: the sandbox pot now drops every tool call into a log I can replay. Broke it twice before it ran clean. Still not tidy but I can finally see where the tokens go 🧪
Toolbox für LLMs retweeted
I’m open sourcing TinySD, a dependency-free C library for SD cards and SDIO on embedded and bare-metal systems - github.com/loopj/tinysd
Toolbox für LLMs retweeted
Mac folks, the open-source KiCad autorouter now builds on macOS 15 and 26 with a Metal backend (huge thanks to Chris Hemingway). TraceMaker 0.11 also adds a run report that explains every connection, plus a new docs site. 177/177 on a Teensy audio board. What should I route next?
small update on the sandbox pot: added an SD card logger to my agent test rig so runs survive a reboot. turns out the boring part (persistence) is what makes the experiments actually reproducible 🔧 what's the smallest thing you added that made your setup usable?
Toolbox für LLMs retweeted
The elites dont want you to know but you can just build your own LOCAL Altium Concord Pro...
ECAD management for Altium, KiCad, and Eagle in a single manager that also handles export, rendering, and material libraries for CAD
Thanks to @QVHenkel for the open-source model :)
Small test tonight: local Ollama model via WholeBoard, no internet, one key in the sandbox top. Expecting it to fail on thermal/BOM before it fails on traces. 🔧
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Who needs an internet connection to have AI design PCBs? The open-source WholeBoard now searches for any local models running and uses them. Ollama, LM Studio, llama.cpp, vLLM, Jan, Strata. One click and it's designing boards at $0 per million tokens. What are you running locally?
small test tonight: same BOM, three different distributor sources, does my little script flag the line where the footprint changes? last time it silently swapped a 0402 for 0603 and I only saw it after ordering 🧪 hat das jemand nachgebaut?
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Electrostatic discharges can easily damage sensitive semiconductors.
An 8 kV zap ramps to 30 A in under a nanosecond. Put the TVS on a 12 mm stub with a long run to ground, and that ~10 nH adds ~390 V arrives that at the chip.
A Diode right at the connector: ~47 V.
Tonight's small test: one API key, sandbox topf, let an agent call a paid tool mid-run. Not orchestration claims yet — just want the runtime payment to actually settle and the log to survive a restart 🔧🧪
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Should a USB-C connector's shell go straight to ground, or through an RC (1 MΩ ‖ 4.7 nF)? Open boards are split.
I hit both with a simulated 8 kV zap. Either way, 30 A lands in your ground. The cap is just left holding 249 V.
Answer: straight, unless the box is earthed. 🧵
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Your 100 nF decoupling cap stops being a capacitor at higher frequencies.
It filters best around 16 MHz. Above that, the inductance of its pads and vias takes over and it acts like an inductor. By 1 GHz it's about 200× worse than at its best.
Toolbox für LLMs retweeted
1/16 You can see inside a circuit board without cutting it open.
Send a fast step into a USB port and listen for the echoes. Every bump is a spot where the layout changes, and its delay says where.
That's TDR, radar for PCBs. I simulated it on a real Raspberry Pi board 🧵
Toolbox für LLMs retweeted
Agentic PCB: enable the KiCad API so your agent could edit the board live. Using kicad-python it could then move footprints, change nets, and adjust copper directly in the running editor (and run ERC and DRC checks with kicad-cli).
Agentic schematic work in KiCad is still limited - it seems there is no live schematic API, so symbol and connection changes require editing the .kicad_sch file or driving the GUI. “Update PCB from Schematic” also has to be triggered manually.
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50 legendary internet rabbit holes you can spend hours exploring👇
1. zoom.earth — Watch the world via live satellite imagery
2. flightradar24.com — See every plane currently in the sky
3. marinetraffic.com — Track all ships at sea in real time
4. windy.com — Live map of winds and storms
5. lightningmaps.org — Watch lightning strikes hitting Earth in real time
6. earthquake.usgs.gov — Live list of recent earthquakes
7. submarinecablemap.com — Ocean cables carrying the internet
8. globalforestwatch.org — Watch forests disappear from space
9. worldometers.info — The world's statistics, second by second
10. internetlivestats.com — Current number of tweets and searches being posted
11. thetruesize.com — Compare the true sizes of countries
12. oldmapsonline.org — Maps from centuries ago
13. davidrumsey.com — Archive of 150,000 historical maps
14. openstreetmap.org — World map drawn by volunteers
15. window-swap.com — Look out the window of a random person around the world
16. virtualvacation.us — Virtual walks through cities
17. mapcrunch.com — Teleport to a random spot on Earth
18. atlasobscura.com — Catalog of the world's strangest places
19. neal.fun — Interactive knowledge experiences
20. htwins.net/scale2 — Scale journey from atom to universe (Updated HTML5 link)
21. eyes.nasa.gov — Explore the solar system in 3D
22. stellarium-web.org — Real sky map in your browser
23. apod.nasa.gov — NASA's astronomy picture of the day
24. images.nasa.gov — NASA's entire visual archive, free
25. pudding.cool — Visual articles told through data
26. ourworldindata.org — The state of the world with real data
27. gapminder.org — What we mistakenly think we know about the world
28. informationisbeautiful.net — Visualizing complex data
29. data.worldbank.org — World Bank's open data
30. data.tuik.gov.tr — Turkey's official statistics database
31. archive.org — Archive of millions of books, films, and software
32. gutenberg.org — 70,000 free books whose copyrights have expired
33. openlibrary.org — Record of every book in the world
34. loc.gov — U.S. Library of Congress digital archive
35. europeana.eu — Europe's cultural heritage archive
36. dp.la — America's digital library collection
37. artsandculture.google.com — Tour museums from home
38. rijksmuseum.nl — Download artworks in high resolution
39. wikiart.org — Archive of 250,000 artworks
40. publicdomainreview.org — Forgotten visual treasures of history
41. openculture.com — Free archive of culture and education
42. metmuseum.org — Met Museum's open collection
43. musicmap.info — Family tree of music genres
44. radiooooo.com — Pick a country and decade to listen to that era
45. listen.hatnote.com — Turn Wikipedia edits into audio
46. wikipedia.org — Random knowledge well
47. timeanddate.com — Time, sunrises, and sky events
48. sciencedaily.com — Live stream of science news
49. arxiv.org — Free preprints of scientific papers
50. observablehq.com — Visualize data with live code
Save this. You’ll definitely need some of these later. 🔖
Follow @justinbrave21 for more useful websites, AI tools & tech resources.
