Projects

ESP8266 firmware for AirGradient DIY air quality kits. Exports CO2, particulates, TVOC, temperature, humidity and pressure as Prometheus metrics, with a web UI, captive portal WiFi setup, OTA updates and battery support. Every sensor driver written from the datasheets.

Firmware released on GitHub

A GitHub Action for uploading release assets to GitHub Releases. Automates the process of attaching files to releases in CI/CD workflows, supporting flexible configuration and robust error handling.

Published on the GitHub Marketplace

A simple Dynamic DNS (DDNS) client for Scaleway Domains. Automatically updates DNS records to keep your domain pointing to your current IP address. Built with Crystal, designed for self-hosters and home labs.

Published on Docker Hub and ghcr.io

A Prometheus exporter for Shelly Plug smart devices. Enables real-time monitoring and metrics collection for home automation and energy management.

Published on Docker Hub and ghcr.io

A high-performance, streaming XLSX parser for Crystal. Designed for efficient processing of large Excel files with minimal memory usage, ideal for data pipelines and ETL tasks.

Published as a Crystal shard on Shardbox

A web application for a garage workshop specializing in oldtimer and youngtimer vehicles, as well as equipment repair. Built with Crystal Lang, PostgreSQL, and Bootstrap, it serves as a portfolio, contact point, and blog for the workshop.

In production for the workshop

A lightweight, privacy-friendly Chrome extension for generating customizable Lorem Ipsum text. Supports adjustable paragraphs & sentences, optional HTML tags, one-click copy, and synced preferences.

Published on the Chrome Web Store

This website: a modern, responsive portfolio built with Next.js and TailwindCSS. Showcases my projects, skills, and professional background.

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