Contents
Started 14Mar2020. Updated 01Mar2026
To check for dates just search like «27Jul2021», «03Aug2022» or «Jan2026».
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NEWEST, UPDATED AND STABLE |
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 Site Archives – Should cover them all |
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NEWEST NOTE OF ANY TYPE |
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 276 My neural network models notes – What is under the hood of Artificial Intelligence (AI)? |
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NEWEST «SERIOUS» NOTES UPDATES |
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| Newest updates: | |
| 184 My embedded RTOS notes | |
 228 Δ tillegg til norsk ultralydhistorie – «Δ addition to Norwegian ultrasound history». («Delta tillegg»..) In Norwegian: auto-translated to English. Nytt: referanse [14] til diplomen min på NTH, 1975 (**) |
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| 059 Some macOS / OSX notes Dec2025: tesseract free OCR program that also runs in Terminal on macOS, plus ocrmypdf to downsize the searchable PDF thus built (**) |
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 151 My single-board boards and why notes – Update: I have bought an xcore.ai (X3) evaluation board with buil-in XTAG4 (**) |
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 222 My XMOS XTC Tools notepad – XC is still supported! (***) |
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 021 The problems with threads – A 2010 note moved from Blogspot to here with new comments from me (**) |
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 263 An encounter with AI-powered Cursor text editor and XC |
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 221 C plus lib_xcore black-boxes xC – (***) |
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 241 XMOS xcore RISC-V (***) |
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 190 My Zephyr RTOS notes (**) |
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 187 My USB watchdog (and relay output) box (*) |
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 219 My Beep-BRRR notes – 05Jan2025: Alternative: ML based on Tsetlin machines? UPS. Plus some log & movies and testing prototype in the field – and the occasional trivial edit in the base note. (***) |
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 269 MJ-bladet 2 2025 «Tanker «derfra og herfra» etter en smalspor-togtur i Sveits» (kan nå leses her) – fra det norske hobbybladet MJ-bladet |
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 233 RTX-51, an embedded scheduler (update about the Actor model) |
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 204 My leaf of comfort – SW / HW that cannot turn against us? – updated with «Process model 2» |
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 267 My thinking about it notes |
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 266 IEEE-COPA 2025 fringe -Title: «Can gears that engage only so good make the machine run?» Tricky MEMS mic sampling etc. |
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PENDING NOTES |
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NEWEST «PLAYFUL» NOTES UPDATES |
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 224 My sharp curve wye switch – DIY short turnout. My Shelf’s Railway Strip (MSRS) versions v.4.1, v.4.2 and v.5.0. Jan2026: building a next wye switch (**) |
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 273 Some short scale 1 electrical locomotives – like future BLS Ce 4/4 from Fulgurex or SAAS Be 4/4 from Spur 1 Austria (?) |
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 275 Timeteller elretur-retur – A note about reuse of an hour counter (in Norwegian, but link to English auto translation). Should wrap around in 2034, since I started at on 10Oct.2025 at noon |
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 270 bilder vs. minner – Noen nostalgiske minner (in Norwegian). Some nostalgic memories (with links to translations) |
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 201 My Krokis notes – About SBB Ce 6/8 II and Ce 6/8 III «Crocodile» locomotives. My Shelf’s Railway Strip (MSRS) versions v.1.0, v.2.0, v.3.0 and v.4.0 (***) |
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 229 My Fine Models E71 scale 1 |
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 158 All Trains to Stop (the book) (With a scanned photo by Hans Steeneken) |
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 262 DIY handbag hanger strap (**) |
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 155 All trains to stop (even models) (two Märklin steam engines that I sold) |
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 255 My missing smart home connection – and some questions about some Plejd products |
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 245 My Stelton EM77 vacuum jug cap ball hack («Dumt dansk design») |
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 272 My alkaline batteries power bank a prospective battery bank, and then a learn-by |
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 265 My soundmaster radio IR65000W modified – A hack on a radio to make USB-C ↔ USB-C cable possible. And the possible use of a USB-C charger, without some adapter in between. Updated 10Jun2025 |
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 268 Litt for mye jekka opp! – Om å skifte dekk uten å ødelegge for mye (Norwegian) |
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 203 SBB Historic: Schaltplan: two circuit diagrams of the Ce 6/8 III crocodile – Ref. [36] |
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 048 SBB Ae 3/6 II (Scale models) – Swiss electrial locomotive SBB Ae 3/6 II non-Märklin models |
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 132 Railway modelling scratchpad – Super Lube? A Roco 78293 loco runs again (new sounddecoder board) |
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 216 My album of model railway photos |
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 260 MJ-bladet 4 2024 «Drømmetur med en krokodille» – in the Norwegian hobby-magazine MJ-bladet |
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| 258 My cube and infinite loop decoration (*) |
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 An exciting postcard from 1956 |
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 100 – A scope to fulfill – Pokit and FNIRSI (**) |
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 Transputer TRAM (was: boards for sale) – Jun24: T800 poster and proto occam book from 1983. Some transputer history, there I guess |
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 235 My Lisbon tram 28 diorama (*) (New: «Aside: a tram kit from Rolife») |
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 208 My processor-to-analogue audio equaliser notes Now bass/treble etc. per input channel |
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 237 Office desk, shelves and folding doors – Kontorpult, hyller og foldedører (***) |
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 247 My Lego 12077 crocodile notes () |
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STABLE NOTES OF ANY TYPE |
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| From rather newly to long ago updated. Then all included, here gradually shelved | |
 174 My aquarium notes – Algae and LED problem goodbye! Layout fixed Sep25 (**) |
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| 156.. My Git/GitHub/GitLab notes Starting to mirror my code on GitHub, in private repositories |
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 261 Beep-BRRR using smart home to extend its functionality– and some about some Plejd products and about some remote alarm warning units I made |
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| 049 Nondeterminism See Aside: transputer and PRI ALT vs. ALT (***) |
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 016 Cooperative scheduling in ANSI-C and process body software quality metrics (***) |
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 243 My MEMS microphones notes etc. – (27Dec2024 M5STACK Atmic Echo Base). What is a 5th order sigma-delta (Σ‑Δ) modulator? Plus stuff about sw library or libraries (***) |
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 271 Go-style concurrency |
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 274 My DIY disc valve (good enough?) |
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 212 Notes from the vault – 0x02 – Transputers |
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 248 Notes from the vault 0x06 – The lives of a Wang 700 calculator – new picture of a PLATO computer system screen from University of Illinois Urbana-Champaign in 1967 |
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 239 Fully charging hearing aids from power banks – Hvordan lade et høreapparet fra en powerbank som slipper for tidlig? (**) |
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 256 My Rust programming language notes – In work |
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 209 My XC softblinking PWM notes – Now a better pwm_for_LED_task (ie. pwm_task_w) (***) |
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 246 My Pokit scope(s) (**) |
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 072 Pike & Sutter: Concurrency vs. Concurrency – An aside by Rob Pike about async/await |
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 253 My audio automatic gain control sw driver (AGC) notes – Is a little about the Beep-BRR2 in general, and how I implemented AGC on the mic input, in order to try to «hear» better through a closed door |
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 194 My FPGA notes – Clash (HDL). Tiny Tapeout (TinyTapeout) FPGA NXT ASIC |
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 249 occam programming language – the «proto occam» 1983 book scanned again and now the PDF is also searchable |
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| 061 WordPress – The academic reference list at the bottom takes so much width on a mobile’s screen that the rest gets like 80% width. Remove ol_ref? (*) | |
 250 XCHANs: Notes on a New Channel Type – (some additions and a brushing up of the CPA 2012 article reference. Also some from CPA 2013) |
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| 065 IEC 61508 and programming paradigms – PX5 RTOS mentioned | |
 169 My subwoofer notes – A DALI subwoofer with hum – removed (***) |
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 141 xC is C plus x – xTIMEcomposer libraries even if xC is obsoleted. (Therefore the photo’s url goes to that beautful code, taken from the note) (***) |
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 077 A reactive manifest – The Reactive Manifesto, Lingua Franca and Rebeca Modeling Language |
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 083 Modelljernbanesider – Addresses to Norwegian model railway club pages (some scale 1/1!?) (*) |
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 244 My some leftover furniture notes – Some daily stuff that I discovered wasn’t here () |
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 HOBBY – A textual summary. Et sammendrag på norsk |
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 My XMOS pages098 – 31May2023 (XCORE-200-EXPLORER.xn file update for 14.4.1) |
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 242 My soft pill holder – Pilleboks (*) (Yes, I am serious!) |
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 207 My «Im taking an early holiday cos i know summer comes soonest in the south» note – A brutally modified poster. New url for the large poster download |
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 128 – Timing out design by contract with a stopwatch (**) |
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 240 Jewelry box (#5, for a grandchild) Smykkeskrin (***) |
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 225 Two early Autronica VLSI chips |
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 196 My materials science notes – Added about carbon fibre composites (*) |
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 238 A bluish cupboard – Et blåaktig veggskap (***) |
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 236 A shelf unit from stacked IKEA “Nissafors” utility carts – (IKEA hack) – Tynn og høy hylle fra tre IKEA «Nissefors» trillebord (**) |
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| HOBBY – Woodwork etc. New overview page with thumbnails, just like this page (***) |
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 052 SBB Ae 3/6 II differencesAdded som detail about Roco 78293 |
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| 046 SBB Ae 3/6 II (Scale models) Added som detail about Roco 78293 |
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| 189 My IoT box(?) Added the RISC-V for ESP32-C |
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 143 My xCORE-200 eXplorerKIT notes (WiFi)Added the RISC-V for ESP32-C and the coming X4 chip architecture from XMOS |
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 060 Wishes for a folding editor. Update triggered by use of VSCode and the extension «Explicit Folding» for it (**) |
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| 062 «Waiting faster» A note from 2013 brushed up. About Hoare’s «Concurrent programs wait faster» () |
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 Vindustanker. NY BOK! Denne gang med 81 mikrotekster. Også denne kan du lese helt gratis! (New book, in Norwegian) (***) |
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| 228 Δ tillegg til norsk ultralydhistorie – «Δ addition to Norwegian ultrasound history». In Norwegian: auto-translated to English |
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 213 Et strippet og ombygd voltmeter – In Norwegian, about an alien instrument made for a play. Summary in English, here (*) |
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| Cross-site tracking Surprised? Not really! |
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| My fritzing notes, My KiCad notes, My iCircuit notes Some tools |
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| Go code examples Fixed a broken golang code layout |
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| My Go (golang) notes A list of them all |
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| My aquarium holiday automatic fish feeder (for granules) Named the solenoid |
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| Notes from the vault – 0x03 «Two early Autronica VLSI chips» (also some early traces of Nordic Semiconductor) |
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| Fault injection detection See 26Jan2022 there |
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| My SIGLENT scope log Updated the scope |
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| Små krokodille-historier «Small crocodile stories» (the Swiss locomotive SBB Ce 6/8 etc.) in the Norwegian hobby magazine «Modell & Elektronikk». Now readable! Google Translate tip included |
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| NTNU About me: I am presently not an «affiliated», but an external examiner only |
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| CSP on Node.js and ClojureScript by JavaScript PyCSP |
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| Technical debt vs. technical deposit An idea? |
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| En museumssamlings 125-årsjubileum Foto av verkstedsbygningen til Edvard Røhmen |
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| How much concurrency? Added some words to be hit by search |
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| My XC code downloads page All code downloads from the same page. Newest 31Aug2021 |
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| MC/DC is not either a rock band nor a current type Updated about the XMOS XTA tool |
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| Keeping a closet door open Plus «Making a door getting closed» |
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| My IKEA «Alex» desk’s new table top Five years’ wear update |
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| IEEE-COPA 2021 fringe IEEE-COPA 2021: «Torus heat equations to get dizzy from. Hooping with xC” fringe by Dickson & me |
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| My IceCore notes Some more on Chisel |
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| Go(-lang) forums matters golang-nuts: Still “missing” priority or ordered select in go? |
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| Towards a taxonomy(?) of CSP-based systems PyCSP |
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| Older blog notes Moved from old Blogspot |
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| My XC combined combinable notes Soon 90% finished? |
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 Lucky strike with missing bytes – IEEE life members newsletter 12.2020 |
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| 214 My button presses vs bounce vs EMI notes Extract from 208 plus added text |
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| My «Day’s End» by Jane Hart reflection | |
| My aquarium’s data radioed through the shelf The xC code now downloadable |
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| XMOS FreeRTOS port AIoT SDK announced |
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| My BRAWA 0571 BLS Te 2/3 Pictures of it as BLS CFe 2/6 added |
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| My leaf of comfort – SW / HW that cannot turn against us? Aside: CRC16, CRC32 and the Birthday Paradox named a chapter |
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| Notes from the vault – 0x02 Why are you disposing of all this hardware? |
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 211 My canal house miniatures |
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| … 210 Analog-to-digital converters (ADC) |
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| My XMOS notes xcore.ai explorer board |
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| Not so blocking after all User forums, and a post to Rust |
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| My Fleischmann 396071 DR-Baureihe E 60 Detail, plus a comment |
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| E-FUN (Electronics fun) Group page |
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| Katedralen Rescanned and moved to WordPress. In Norwegian (from Elektronikk #4 2008) |
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| Adapting without a button battery Now my lighthouse flashes 24/7! |
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| I am «aclassifier» and OVERVIEW Minor |
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| Wikipedia user: Aclassifier New page |
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| www.kode24.no article about XC (NO). Resource page kode24 (E) Added code |
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| My XMOS notes 14.4.1 |
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| SBB Ae 3/6 II (H0) Icons for books |
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| XC code examples Code examples |
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BEFORE FEB. 2020 |
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| Site Archives Should cover them all, also those in the list above |
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 Designer’s notes. |
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