dr. Sybren

These are the settings I use in my MeshCore repeater.

My domains, like stuvel.eu and stüvel.eu, are hosted by TransIP.

I’m one of the original authors and the maintainer of Python-RSA.

Blender Conference 2024 was amazing again, as always.

This blog post I wrote after the 2024 conference, just so that the slides are available here as well.

I’ve just added a new section to this website: Electronics!

Rear light mounted on my bicycle.

When exporting WebP images from Gimp, there is a selector for the “Source Type”.

On this page I collect my go-to electronics components.

My last name is Stüvel, and it causes all kinds of issues on various systems.

Flatterer v1.5 has just been released!

Since Blender moved to Gitea I’ve struggled a bit with the pull requests workflow.

Since this week, Blender development has moved from Phabricator to Gitea on projects.blender.org.

Flatterer v1.4 has just been released!

Flatterer v1.3 has just been released!

Recently I bought a Keychron K5 SE keyboard (with clicky blue optical switches, thank you for asking).

To get more into the fundamentals of animation, I’m learning how to draw!

This article explains how I removed duplicates from my Osmand favourites. 2026 Update: Osmand nowadays has Cloud Sync, which is great for syncing your favourites.

Finally, after three years, there was another Blender Conference!

The final release of Python-RSA v4.9 can be obtained from the Python Package Index, or just installed with pip install --upgrade rsa.

Recently I’ve been toying a lot with ESPHome in combination with Home Assistant.

After following a ESP32 + Bluetooth Low Energy (BLE) tutorial, my phone would only connect once to the ESP32.

Flatterer v1.2 has just been released!

I bought a laser cutter, and of course I want to use Blender to make cuttable designs.

Flatterer v1.1 has just been released!

The amplifier we use for the TV is getting old, and an annoying 50 Hz hum is finding its way to the speakers.

The final release of Python-RSA v4.8 can be obtained from the Python Package Index, or just installed with pip install --upgrade rsa.

For my electronics projects I often have the need to take the linear position of a potentiometer, and translate it to an exponential value I can use to PWM some LEDs.

I’ve been using the Fish shell for a while, and it’s really gotten to the point where I miss it when I can’t use it :) To share with folks, here are some of my Fish configurations and Git configs that make my life as a Blender developer easier.

In this section I describe some of the photography techniques I developed over the years.

This release of Beat Stripper is compatible with Beat Saber version 1.17.

Want to create beautiful spherical panoramas?

This page describes my workflow for spherical panoramas made from a tripod on the ground.