A blog about a wide range of technical topicshttps://blog.ironsm4sh.nl/https://blog.ironsm4sh.nl/post/2023-03-01-USB/article/https://blog.ironsm4sh.nl/post/2023-03-01-USB/article/The unexpected complexity of implementing a USB deviceTue, 28 Feb 2023 23:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-03-15-Power-usage/article/https://blog.ironsm4sh.nl/post/2023-03-15-Power-usage/article/Combining hardware and software to measure currentWed, 15 Mar 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-04-07-Debugging-power-usage/article/https://blog.ironsm4sh.nl/post/2023-04-07-Debugging-power-usage/article/Discovering the culprit of power usageFri, 07 Apr 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-04-29-ESP32-Programming/article/https://blog.ironsm4sh.nl/post/2023-04-29-ESP32-Programming/article/Creating a useful HTTP library for the ESP32Sat, 29 Apr 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-05-21-Dogtag/article/https://blog.ironsm4sh.nl/post/2023-05-21-Dogtag/article/Making things yourself feels better than buying themSun, 21 May 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-05-25-Keycloak-SPI/article/https://blog.ironsm4sh.nl/post/2023-05-25-Keycloak-SPI/article/Implementing a custom keycloak SPIThu, 25 May 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-06-01-Protocol-reverse-engneering/article/https://blog.ironsm4sh.nl/post/2023-06-01-Protocol-reverse-engneering/article/Creating a custom library for undocumented hardwareThu, 01 Jun 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-06-22-Big-Teddy-cake/article/https://blog.ironsm4sh.nl/post/2023-06-22-Big-Teddy-cake/article/Creating a cake from a chunk of the world's largest gummy bearThu, 22 Jun 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-06-28-Software-Bypass/article/https://blog.ironsm4sh.nl/post/2023-06-28-Software-Bypass/article/Disabling software features post compilationWed, 28 Jun 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-07-06-Miniature-pallet/Article/https://blog.ironsm4sh.nl/post/2023-07-06-Miniature-pallet/Article/Small objects are cuteSun, 09 Jul 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-07-31-OpenTelemetry/Article/https://blog.ironsm4sh.nl/post/2023-07-31-OpenTelemetry/Article/Tracing in basic dotnet applicationsMon, 31 Jul 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-08-06-Using-the-Attiny404/Article/https://blog.ironsm4sh.nl/post/2023-08-06-Using-the-Attiny404/Article/Modern AVR microcontrollersSun, 06 Aug 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-08-29-Making-a-parking-sensor/Article/https://blog.ironsm4sh.nl/post/2023-08-29-Making-a-parking-sensor/Article/Combining multiple MCU's and sensorsTue, 29 Aug 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-09-05-Milling-a-PCB/Article/https://blog.ironsm4sh.nl/post/2023-09-05-Milling-a-PCB/Article/Small details in a crooked worldTue, 05 Sep 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-10-04-UWU-language/Article/https://blog.ironsm4sh.nl/post/2023-10-04-UWU-language/Article/ow ówuv uvuwu ovov uwuWed, 04 Oct 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-10-13-Signed-Distance-Function/Article/https://blog.ironsm4sh.nl/post/2023-10-13-Signed-Distance-Function/Article/Ray marching in the terminalFri, 13 Oct 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-11-01-HackMate/Article/https://blog.ironsm4sh.nl/post/2023-11-01-HackMate/Article/DIY Club-MateWed, 01 Nov 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-11-19-Comments/Article/https://blog.ironsm4sh.nl/post/2023-11-19-Comments/Article/They still require admin approval!Sun, 19 Nov 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-12-18-Screenprinting/Article/https://blog.ironsm4sh.nl/post/2023-12-18-Screenprinting/Article/Printing custom designs on fabricTue, 19 Dec 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2023-12-24-Parking-sensor-progress/Article/https://blog.ironsm4sh.nl/post/2023-12-24-Parking-sensor-progress/Article/Unexpected strugglesSun, 24 Dec 2023 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-01-04-Senko-hanabi/Article/https://blog.ironsm4sh.nl/post/2024-01-04-Senko-hanabi/Article/Pretty sparklesSat, 06 Jan 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-01-10-Chocolate-cookies/Article/https://blog.ironsm4sh.nl/post/2024-01-10-Chocolate-cookies/Article/A good recipe that I found onlineWed, 10 Jan 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-01-21-Screenprinting-workshop/Article/https://blog.ironsm4sh.nl/post/2024-01-21-Screenprinting-workshop/Article/Organising a small workshopSun, 21 Jan 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-02-19-Hot-Foil/Article/https://blog.ironsm4sh.nl/post/2024-02-19-Hot-Foil/Article/Using a PCB to transfer heatMon, 19 Feb 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-03-11-Finishing-projects/Article/https://blog.ironsm4sh.nl/post/2024-03-11-Finishing-projects/Article/Kill your darlingsMon, 11 Mar 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-04-07-Neo4j-Experiments/Article/https://blog.ironsm4sh.nl/post/2024-04-07-Neo4j-Experiments/Article/Mapping Steam friendlistsSun, 07 Apr 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-04-14-HolyMate/Article/https://blog.ironsm4sh.nl/post/2024-04-14-HolyMate/Article/Scaling our HackMate production by a factor of 10Sat, 13 Apr 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-05-06-Administrating-k8s/Article/https://blog.ironsm4sh.nl/post/2024-05-06-Administrating-k8s/Article/It has been 4.5 years alreadyMon, 06 May 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-05-18-Upgrading-K3os/Article/https://blog.ironsm4sh.nl/post/2024-05-18-Upgrading-K3os/Article/8cdfdf2 • "update readme to include deprecation notice" • 5 months agoSat, 18 May 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-06-17-MES-Software/Article/https://blog.ironsm4sh.nl/post/2024-06-17-MES-Software/Article/Defining a production process at scaleMon, 17 Jun 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-07-13-Mate-Execution-System/Article/https://blog.ironsm4sh.nl/post/2024-07-13-Mate-Execution-System/Article/Implementing parts of the ISA-95 standardSat, 13 Jul 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-07-27-Event-DECT-Numbers/Article/https://blog.ironsm4sh.nl/post/2024-07-27-Event-DECT-Numbers/Article/Creating stupid SIP numbers in an afternoonSat, 27 Jul 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-08-24-Wireless-communication-NRF24/Article/https://blog.ironsm4sh.nl/post/2024-08-24-Wireless-communication-NRF24/Article/Connecting two ATtiny404's through the air!Sat, 24 Aug 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-10-02-Server-monitoring/Article/https://blog.ironsm4sh.nl/post/2024-10-02-Server-monitoring/Article/Working on long-overdue montoringWed, 02 Oct 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-10-29-Remotely-controlled-relay/Article/https://blog.ironsm4sh.nl/post/2024-10-29-Remotely-controlled-relay/Article/Opening a gate using a remoteTue, 29 Oct 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-11-27-Bottled-holymate/Article/https://blog.ironsm4sh.nl/post/2024-11-27-Bottled-holymate/Article/Small production runs, using the BNR bottleWed, 27 Nov 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2024-12-21-Web-development-quirks/Article/https://blog.ironsm4sh.nl/post/2024-12-21-Web-development-quirks/Article/A few quirks that aren't widely knownTue, 24 Dec 2024 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-01-03-HolyMate-MES/Article/https://blog.ironsm4sh.nl/post/2025-01-03-HolyMate-MES/Article/Tracking your bottleFri, 03 Jan 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-01-24-KiCad-to-FreeCAD/Article/https://blog.ironsm4sh.nl/post/2025-01-24-KiCad-to-FreeCAD/Article/Designing a small case in FreeCAD 1.0Fri, 24 Jan 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-02-15-Creating-pins/Article/https://blog.ironsm4sh.nl/post/2025-02-15-Creating-pins/Article/Etching copperSat, 15 Feb 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-03-15-Oil-replacement/Article/https://blog.ironsm4sh.nl/post/2025-03-15-Oil-replacement/Article/vroom vroom 🚗Sat, 15 Mar 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-04-08-IPSec-tunnels/Article/https://blog.ironsm4sh.nl/post/2025-04-08-IPSec-tunnels/Article/A VPN connection across LAN networksWed, 09 Apr 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-04-26-Boiler-electrode-replacement/Article/https://blog.ironsm4sh.nl/post/2025-04-26-Boiler-electrode-replacement/Article/E4 - More than 5 start attempts without any flame formation.Sat, 26 Apr 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-05-17-HTML-label-generator/Article/https://blog.ironsm4sh.nl/post/2025-05-17-HTML-label-generator/Article/Webpages on your bottle!Sat, 17 May 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-06-04-Android-Auto/Article/https://blog.ironsm4sh.nl/post/2025-06-04-Android-Auto/Article/Cheap AliExpress radio with Android AutoWed, 04 Jun 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-06-14-CV-Boot-Replacement/Article/https://blog.ironsm4sh.nl/post/2025-06-14-CV-Boot-Replacement/Article/Universeel asmanchetset, 17.70 euroSat, 14 Jun 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-07-14-Wildcam/Article/https://blog.ironsm4sh.nl/post/2025-07-14-Wildcam/Article/Secretly recording creatures when they leave their homeMon, 14 Jul 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-08-17-HolyMate-WHY2025/Article/https://blog.ironsm4sh.nl/post/2025-08-17-HolyMate-WHY2025/Article/Making ice-tea on the fieldSun, 17 Aug 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-09-22-Buildroot-for-RPI4/Article/https://blog.ironsm4sh.nl/post/2025-09-22-Buildroot-for-RPI4/Article/Replication at all costsMon, 22 Sep 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-11-01-ESP32-Checklist/Article/https://blog.ironsm4sh.nl/post/2025-11-01-ESP32-Checklist/Article/With MQTT and touch controlsSat, 01 Nov 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-11-03-Testing-my-backups/Article/https://blog.ironsm4sh.nl/post/2025-11-03-Testing-my-backups/Article/Unscheduled, might I add!Mon, 03 Nov 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2025-12-06-Connecting-QuestDB-using%20EF/Article/https://blog.ironsm4sh.nl/post/2025-12-06-Connecting-QuestDB-using%20EF/Article/HolyMate is going to support analyticsSat, 06 Dec 2025 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2026-01-04-Raspberry-pi-cam-stream-buildroot-dotnet/Article/https://blog.ironsm4sh.nl/post/2026-01-04-Raspberry-pi-cam-stream-buildroot-dotnet/Article/Smile for the camera!Sun, 04 Jan 2026 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2026-02-04-small-power-latch/Article/https://blog.ironsm4sh.nl/post/2026-02-04-small-power-latch/Article/For small battery operated devicesWed, 04 Feb 2026 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2026-03-01-Screeps/Article/https://blog.ironsm4sh.nl/post/2026-03-01-Screeps/Article/A game about programming creepsSun, 01 Mar 2026 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2026-03-11-Hacking-an-AndroidAuto-screen/Article/https://blog.ironsm4sh.nl/post/2026-03-11-Hacking-an-AndroidAuto-screen/Article/I wonder how these are made this cheaplyWed, 11 Mar 2026 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2026-04-09-OpenPLC/Article/https://blog.ironsm4sh.nl/post/2026-04-09-OpenPLC/Article/Industrial programming.Thu, 09 Apr 2026 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2026-05-09-Working-on-a-scooter/Article/https://blog.ironsm4sh.nl/post/2026-05-09-Working-on-a-scooter/Article/La souris at speedSat, 09 May 2026 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2026-06-06-Gameboy-game/Article/https://blog.ironsm4sh.nl/post/2026-06-06-Gameboy-game/Article/Okay, it's a slideshowSat, 06 Jun 2026 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2026-07-06-Installing-power-in-the-shed/Article/https://blog.ironsm4sh.nl/post/2026-07-06-Installing-power-in-the-shed/Article/With no power, its barely more than storageMon, 06 Jul 2026 00:00:00 GMThttps://blog.ironsm4sh.nl/post/2026-08-04-Flip-flap-displays/Article/https://blog.ironsm4sh.nl/post/2026-08-04-Flip-flap-displays/Article/You might know them as split-flapTue, 04 Aug 2026 00:00:00 GMT