Magnus Anderssen
Stuff I do: front-end dev (TypeScript, Vue, React, SvelteKit), web architecture, performance, API design, SEO, security, accessibility, recruitment.
Latest articles
Read from your Landis+Gyr E450 Smartmetter
2026-03-21 · 13 views
If you're a Romande Energie customer in the canton of Vaud, you likely have a Landis+Gyr E350 or E450 smart meter with an AD-FU module. This meter exposes real-time electricity data — power, energy, voltage, current on all three phases — via a wired M-Bus interface on an RJ12 connector. Here's how to get that data into Home Assistant running in Docker on a Debian machine.
Automating Nextcloud App Releases with GitHub Actions
2026-01-12 · 118 views
If you've ever manually released a software package, you know the drill: update version numbers in multiple files, generate a changelog, create git tags, build and sign the package, upload to various distribution platforms... and then do it all over again when you need a hotfix. It's tedious, error-prone, and frankly, not a great use of your time.
Typed Javascript library
2023-11-19 · 64 views
Making a reusable correctly typed library has always been something I wanted to achieve. I've tried multiple times but could never find the magic recipe. Until now.