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Hacking a $15 LED Matrix with an AI Agent, Python, and a Webcam Feedback Loop
I was at Action (the European equivalent of a dollar store for nerds) when I spotted a B.K. Light LED Pixel Board — a 32×32 RGB LED matrix with Bluetooth, for about 15 euros. The kind of thing you buy first and figure out later. The official Android app works fine. You type text, pick…
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Claude Code Persistent Memory: How I Wired Mempalace Into My Telegram Bot
Claude Code forgets everything between sessions. Here’s how I added persistent memory across conversations with Mempalace, wired into a Telegram bot.
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Apple Magic Trackpad on Linux: How I Made It Work on Ubuntu XFCE
Get the Apple Magic Trackpad working on Linux: a guide for Ubuntu XFCE with BlueZ fixes, libinput tuning, autostart, battery indicator, and troubleshooting.
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When Ubuntu Updates Break NVIDIA… Again
Every now and then I update Ubuntu, sip my coffee, install all-the-things… and everything looks fine. Until I suspend. Because of course the moment the PC suspends, NVIDIA decides to have an existential crisis. I start the machine again and black screen. GODDAMMIT! This happened again today, and because Future Me will not remember any…
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How to Add “Convert to GIF” to Thunar on Linux (XFCE)
Add a right-click Convert to GIF action to the Thunar file manager on Linux XFCE using FFmpeg and a shell script — turn any video into a GIF in two clicks.
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Bringing DHH’s Omakub to WSL2?
Setting up a developer environment on WSL2 with Alacritty, Zellij, Cargo and the Tokyo Night theme inspired by DHH’s Omakub.
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Using Ngrok with Rails
When working with Rails, I like to test my web apps with my desktop browser and my mobile browser. I like using my mobile browser, especially to test the PWA setup. To be able to test the development version running in Docker with my devcontainer setup, I use Ngrok. You need to register and install…
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Get started with Ruby on Rails on WSL2 Ubuntu
Complete guide to installing Ruby on Rails on WSL2 Ubuntu 24.04 using rbenv, including Tailwind CSS setup.
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New year, old and new challenges
2023 ended with me falling in love with Rails again after 15 years. I have always been a huge fan of 37signals. I like their products in a weird way: I have always wanted to use Basecamp, but I always worked for people who used and hated Jira. Then Hey mail came out, and I decided to migrate…
