Andreas Belitz
Blog Notes Projects About

3D Printing & Making

All AI Engineering 3D Printing & Making Tools & Workflow LLM Patterns Career & Thinking Infrastructure
I built an AI to watch a bird. She left.
May 17, 2026 · 6 min read · 3D Printing & Making

I built an AI to watch a bird. She left.

I built an AI to watch a Common Redstart nesting in my garden. Two weeks later she left the box and never came back. The AI didn't notice — and that was the lesson.

side-project claude gemini prompting vision ai-architecture sweden
Mining Bitcoin in my hallway — and the home automation that decides when to do it
May 5, 2026 · 13 min read · 3D Printing & Making

Mining Bitcoin in my hallway — and the home automation that decides when to do it

A 21energy Ofen 2 sits in my hallway — heating the air and hashing Bitcoin. This is the Home Assistant logic that decides when, why, and at what tier.

bitcoin home-assistant mining energy automation sweden
Hacking the Heat: Retrofitting Adax Heaters with ESPHome and Custom PCBs
Feb 12, 2026 · 8 min read · 3D Printing & Making

Hacking the Heat: Retrofitting Adax Heaters with ESPHome and Custom PCBs

A multi-phase journey from cloud-dependent heating to fully local, custom-hardware control.

esphome home-assistant pcb-design esp32 adax smart-home

© 2026 Andreas Belitz v:4e77f4b

RSS GitHub LinkedIn