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Sentinel: Solving the A8's 'Storage Sink' Problem

April 2026 — on building a survival loop for a car that spends its summers in a greenhouse, and why ‘propping it up’ is an engineering challenge

Your IoT sensors deserve proper observability: MQTT to Prometheus with a Helm chart

May 2024 — because your home produces data worth keeping

Smart home devices generate a constant stream of data. Temperature readings, power consumption, motion events, CO₂ levels, humidity. Most of it disappears into a cloud service or gets forgotten after being displayed on a dashboard for a few seconds.

My thermostat was lying to me

October 2023 — on why your heating system’s sensor is probably wrong, and what to do about it

The floor heating in my house had a problem I couldn’t immediately identify. The thermostat was set to 21°C. The rooms were never quite right. Sometimes too cold in the morning, sometimes stuffy by evening. I’d adjust the setting, wait, adjust again. Classic thermostat frustration.