tech9 min read
PV Surplus Charging with EVCC - and a 6-Year-Old Wallbox
A 6-year-old go-e Charger Box becomes capable of intelligent PV surplus charging with EVCC - demonstrating how much is possible with existing hardware.
Blog
Projects and adventures.
tech6 min read
Saved 99 % and didn't notice a thing - two months with RTK
After two months with RTK (Rust Token Killer), it becomes clear: the advertised 99 % token savings are outliers. The real value is 83 %, but RTK catches exactly those edge cases that would blow up sessions.
tech4 min read
Claude Code as Homelab Assistant - Part 3: Deploying a New Service
Claude Code deploys Wallos, an open-source subscription tracker, with Traefik integration and HTTPS in under 2 minutes - including automatic error handling for Fish Shell and API access.
tech3 min read
Claude Code as Homelab Assistant - Part 2: Finding and Fixing a Bug
How Claude Code automatically diagnoses and fixes a hidden healthcheck bug in a Docker container - a practical example of AI-assisted homelab management.
tech6 min read
Claude Code as Homelab Assistant - Part 1: Setup & First Audit
Set up Claude Code as a local assistant for your homelab: SSH setup, reusable prompts as slash commands, and automated security audits without manual back-and-forth.
tech3 min read
Meshtastic from the Command Line - Setup, Debug and Configuration
Comprehensive guide to the Meshtastic Python CLI: installation, connection setup, configuration and practical debugging tips for mesh networks.
tech6 min read
RAK WisBlock as Meshtastic Gateway - Setup, Configuration, and Home Assistant
Practical guide to setting up a RAK WisBlock Meshtastic gateway with Ethernet module, PoE power supply, and integration into Home Assistant via MQTT.
tech4 min read
Meshtastic - LoRa-Mesh for Your Property: When Your Pond Tells You Itself
An open-source project connects LoRa microcontrollers into decentralized mesh networks for wireless sensor data - ideal for properties without WLAN coverage.
tech4 min read
Control Hörmann Garage Doors with ESPHome and Home Assistant
A guide to flashing the tynet RS485 Bridge Adapter with ESPHome and integrating a Hörmann SupraMatic E4 garage door into Home Assistant with Mushroom Cards.
tech9 min read
Home Assistant Meets Claude Code: Smart Home Control via MCP
How the Model Context Protocol Server connects Home Assistant with Claude Code to enable smart home control through natural language - from data queries to automatic dashboard creation.
tech2 min read
Linux on the Surface Go - Bonus: Thunderbird and Time Format
Why Thunderbird displays AM/PM format in Flatpak and how to switch it to 24-hour format with a Flatpak override.
tech2 min read
Linux on the Surface Go — Bonus: OneDrive with Rclone
Integrating OneDrive on Linux with Rclone — like Windows Files On-Demand, without an official client.
tech2 min read
Linux on the Surface Go - Bonus: Kando Pie Menu
A touch-friendly pie menu launcher for Linux on the Surface Go that fits perfectly into a pen and touch workflow and is installed as a .deb package instead of Flatpak.
tech2 min read
Linux on the Surface Go — Conclusion after a few weeks
Reflection on experiences with Linux on the Microsoft Surface Go after several weeks of use — performance, differences to Windows and a recommendation for interested parties.
tech3 min read
Linux on the Surface Go — Setting up Apps
Strategy for app installation on Linux Surface Go: Flatpak/Flathub as primary source with targeted exceptions for VS Code, Obsidian, Thunderbird, and OnlyOffice.
tech2 min read
Linux on the Surface Go — Windows Hello & Howdy
An honest report on the attempt to get facial recognition via Howdy working on the Surface Go with Linux — and why the IPU3 camera pipeline makes it impossible.
tech2 min read
Linux on the Surface Go — Touch, Pen & Tablet Mode
Configuring touch, pen, and tablet features on Linux Surface Go with libinput quirks, auto-rotate, and on-screen keyboard.
tech2 min read
Linux on the Surface Go — The linux-surface Kernel
Installation and configuration of the linux-surface kernel on the Microsoft Surface Go for complete hardware support under Ubuntu.
tech4 min read
Linux on the Surface Go — Installation & First Impressions
Installation of Ubuntu 24.04 LTS on the Microsoft Surface Go with Ventoy and first hardware tests. An overview of working and components still needing configuration.
tech3 min read
Why Linux on a Surface Go?
An experiment in digital independence: Why I'm installing Linux on my Surface Go and what I want to learn from it.
tech3 min read
TryHackMe - BankGPT Write-Up
An overview of the BankGPT challenge on TryHackMe: prompt injection techniques, LLM security, and context manipulation in a simulated banking chatbot.
tech2 min read
TryHackMe - EvilGPT V2 Write-Up
An overview of prompt injection vulnerabilities in LLMs and how carefully crafted prompts can lead to the disclosure of protected information from model configuration.