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Inzichten over engineering,elektronica, firmware en embedded systemen

Stop reviewing code. Start reviewing systems.

Stop reviewing code. Start reviewing systems.

Ingmar Jager
Ingmar Jager
30 oktober 2026

AI writes the code, we review it. That gets old fast. So we built archdiff: it shows what a pull request did to the architecture, not to the lines.

English Engineering AI
EU Cyber Resilience Act: De impact op IoT platforms

EU Cyber Resilience Act: De impact op IoT platforms

Ingmar Jager
Ingmar Jager
30 april 2026

De EU Cyber Resilience Act stelt harde eisen aan beveiliging van connected producten. Het Jitter platform voorziet hier al in met MQTT over TLS en X.509-authenticatie per device.

Security Platform
Moderniseren van bestaande systemen

Moderniseren van bestaande systemen

Ingmar Jager
Ingmar Jager
10 februari 2026

Iets nieuws vanaf nul ontwikkelen is zoveel makkelijker dan bestaande systemen aanpassen. Maar die luxe heb je niet als je een draaiend systeem moet moderniseren.

Engineering
Onze nieuwe website - van Hexo naar 11ty

Onze nieuwe website - van Hexo naar 11ty

Ingmar Jager
Ingmar Jager
13 januari 2026

Na jaren trouwe dienst was het tijd om onze website te vernieuwen. We kozen voor een moderne stack met 11ty en Tailwind CSS. In dit artikel delen we onze ervaringen en keuzes.

Website Development
How to ruin your solid ground plane

How to ruin your solid ground plane

Sjors de Wit
Sjors de Wit
26 november 2020

As a PCB designer, the so-called 'ground plane' is your best friend. It makes layout easier, improves EMC performance, and as a bonus you get increased signal integrity. But be carefull to keep the ground plane intact...

PCB design Tips & tricks
Think in current loops - the key to reliable PCB layout

Think in current loops - the key to reliable PCB layout

Sjors de Wit
Sjors de Wit
29 september 2020

When I got started in PCB design, layout seemed like the easy part. The CAD software enforces the schematics, so you just need to puzzle everything together until all connections are made. Right?

PCB design Tips & tricks
ADXL355 Embedded-hal driver crate

ADXL355 Embedded-hal driver crate

Ingmar Jager
Ingmar Jager
14 februari 2020

A Rust driver crate for the ADXL355 digital accelerometer. This driver accepts an embedded-hal SPI interface and a GPIO OutputPin. It implements the Accelerometer Trait so you can easily obtain both raw sensor data and scaled-to-Standard-gravity sensor data.

Rust Microcontroller STM32
MicroSD performance on memory-constrained devices

MicroSD performance on memory-constrained devices

Sjors de Wit
Sjors de Wit
31 juli 2019

MicroSD cards. They are used in phones, cameras and all kinds of devices. A no-brainer to add some extra storage capacity to your project. They are advertised by their average read/write speed in MB/s. But there is a metric that is at least as important for certain applications: latency...

MicroSD Experiments Microcontroller Latency
Quickly Updating Your BOM After Design Changes

Quickly Updating Your BOM After Design Changes

Sjors de Wit
Sjors de Wit
3 juni 2019

Updating the Bill Of Materials manually is tedious and error-prone, especially for PCB designs with many different components. The alternative is exporting a new BOM after every design change.

KiCad PCB design