Contents
Started 14Mar2020. Updated 20Apr2025
To check for dates just search like «27Jul2021», «03Aug2022» or «Mar2025».
NEWEST, UPDATED AND STABLE |
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Site Archives – Should cover them all |
NEWEST NOTE OF ANY TYPE |
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267 My thinking about it notes |
NEWEST «SERIOUS» NOTES |
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| 156.. My Git/GitHub/GitLab notes | Starting to mirror my code on GitHub, in private repositories |
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266 IEEE-COPA 2025 fringe – to be published after the conference. Title: «Can gears that engage only so good make the machine run?» Tricky MEMS mic sampling etc. |
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190 My Zephyr RTOS notes (**) (Nordic Semiconductor‘s use of Zephyr) |
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263 An encounter with AI-powered Cursor text editor and XC – an a polite apology from the claude-3.5-sonnet AI engine |
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151 My single-board boards and why notes – Update Mar2025: xcore-200 Evaluation Kit board dimensions (*) |
| 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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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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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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241 XMOS xcore RISC-V – Update 16dec2024 (***) |
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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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224 My sharp curve wye switch – DIY short turnout. Dec2024: Too narrow, solutions? – point 5 (**) |
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229 My Fine Models E71 scale 1 – Plus other short scale 1 electrical locomotives |
PENDING NOTES |
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NEWEST «PLAYFUL» NOTES |
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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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265 My soundmaster radio IR65000SW 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 |
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201 My Krokis notes – About SBB Ce 6/8 II and Ce 6/8 III «Crocodile» locomotives. Mar2025: more on what a Crocodile is (not NSB EL-4) (***) |
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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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262 DIY handbag hanger strap (**) |
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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 () |
STABLE NOTES OF ANY TYPE |
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| From rather newly to long ago updated. Then all included, here gradually shelved | |
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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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255 My missing smart home connection – and some questions about some Plejd products |
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228 Δ tillegg til norsk ultralydhistorie – «Δ addition to Norwegian ultrasound history». («Delta tillegg»..) In Norwegian: auto-translated to English. Nytt: På siden, ref. til boka til Linn Stalsberg (**) |
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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 → ASIC |
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249 occam programming language – the «proto occam» 1983 book scanned again and now the PDF is also searchable |
| 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? (*) | |
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245 My Stelton EM77 vacuum jug cap ball hack () |
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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) |
| 065 IEC 61508 and programming paradigms – PX5 RTOS mentioned | |
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221 C plus lib_xcore black-boxes xC – XTA to reappear? Lingua Franca mentioned (***) |
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222 My XMOS XTC Tools notepad – XC is still supported! (***) |
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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 |
| My XMOS pages | 098 – 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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174 My aquarium notes – Algae and LED problem goodbye! (**) |
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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 (***) |
| 052 SBB Ae 3/6 II differences | Added som detail about Roco 78293 |
| 046 SBB Ae 3/6 II (Scale models) | Added som detail about Roco 78293 |
| 189 My IoT box(?) | Added the RISC-V for ESP32-C |
| 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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233 RTX-51, an embedded scheduler |
| 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) (***) |
| 059 Some macOS / OSX notes | Visual Studio Code as HTML editor on old html files started on Windows (*) |
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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 (*) |
| Cross-site tracking | Surprised? Not really! |
| My fritzing notes, My KiCad notes, My iCircuit notes | Some tools |
| Go code examples | Fixed a broken golang code layout |
| My Go (golang) notes | A list of them all |
| My aquarium holiday automatic fish feeder (for granules) | Named the solenoid |
| Notes from the vault – 0x03 | «Two early Autronica VLSI chips» (also some early traces of Nordic Semiconductor) |
| Fault injection detection | See 26Jan2022 there |
| My SIGLENT scope log | Updated the scope |
| 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 |
| NTNU | About me: I am presently not an «affiliated», but an external examiner only |
| My embedded RTOS notes | Timed C |
| CSP on Node.js and ClojureScript by JavaScript | PyCSP |
| Technical debt vs. technical deposit | An idea? |
| En museumssamlings 125-årsjubileum | Foto av verkstedsbygningen til Edvard Røhmen |
| How much concurrency? | Added some words to be hit by search |
| My XC code downloads page | All code downloads from the same page. Newest 31Aug2021 |
| MC/DC is not either a rock band nor a current type | Updated about the XMOS XTA tool |
| Keeping a closet door open | Plus «Making a door getting closed» |
| My IKEA «Alex» desk’s new table top | Five years’ wear update |
| IEEE-COPA 2021 fringe | IEEE-COPA 2021: «Torus heat equations to get dizzy from. Hooping with xC” fringe by Dickson & me |
| My IceCore notes | Some more on Chisel |
| Go(-lang) forums matters | golang-nuts: Still “missing” priority or ordered select in go? |
| Towards a taxonomy(?) of CSP-based systems | PyCSP |
| Older blog notes | Moved from old Blogspot |
| My XC combined combinable notes | Soon 90% finished? |
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Lucky strike with missing bytes – IEEE life members newsletter 12.2020 |
| 214 My button presses vs bounce vs EMI notes | Extract from 208 plus added text |
| My «Day’s End» by Jane Hart reflection | |
| My aquarium’s data radioed through the shelf | The xC code now downloadable |
| XMOS FreeRTOS port | AIoT SDK announced |
| My BRAWA 0571 BLS Te 2/3 | Pictures of it as BLS CFe 2/6 added |
| My leaf of comfort – SW / HW that cannot turn against us? | Aside: CRC16, CRC32 and the Birthday Paradox named a chapter |
| Notes from the vault – 0x02 | Why are you disposing of all this hardware? |
| My canal house miniatures | Nice miniatures from Amsterdam |
| … | 210 Analog-to-digital converters (ADC) |
| My XMOS notes | xcore.ai explorer board |
| Not so blocking after all | User forums, and a post to Rust |
| My Fleischmann 396071 DR-Baureihe E 60 | Detail, plus a comment |
| E-FUN (Electronics fun) | Group page |
| Katedralen | Rescanned and moved to WordPress. In Norwegian (from Elektronikk #4 2008) |
| Adapting without a button battery | Now my lighthouse flashes 24/7! |
| I am «aclassifier» and OVERVIEW | Minor |
| Wikipedia user: Aclassifier | New page |
| www.kode24.no article about XC (NO). Resource page kode24 (E) | Added code |
| My XMOS notes | 14.4.1 |
| SBB Ae 3/6 II (H0) | Icons for books |
| XC code examples | Code examples |
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. |