Home technology // practical engineering

Build it.
Measure it.
Make it better.

Real homelab, ESP32 and smart-home projects — documented from the first wire to the final dashboard. Plus useful tools you can actually use.

Featured buildESP32 / K-TYPE / HA
Sauna telemetry
93.4°
Peak-tracking prototype
Heat-up
24m
Retention
2h 41m
Projects

Built in the lab.

Not theory. Practical systems designed, deployed, measured and refined in a working home lab.

FinnLabs tools

Useful before you buy or build.

Small calculators for questions that come up repeatedly while designing a home lab.

Backup storage estimator

How big will my backup repository get?

Sauna lab

Heat-up rate

Coming next

VLAN / subnet planner

Map trusted, IoT, media and service networks and export a clean addressing plan.

View roadmap →
Architecture

Everything has a path.

Resilient systems should stay understandable when you come back to them six months later.

ESP32 / Clientsedge devices
Home networksegmented services
Unraidapps + storage
ObservabilityHA · Influx · Grafana
Encrypted backupRestic
Off-siteGoogle Drive
FinnLabs build packs

Turn the good builds into repeatable ones.

Wiring diagrams, ESPHome configs, dashboards, parts lists and deployment notes.

Preview build packs →