Loading...

Dev Tutorials and Tech How-To's for free

Author Cloudapp
E.G.

An Open-Source SEO + GEO Audit Toolkit in Plain Node

Four dependency-free Node tools: SEO crawler, GEO/AI-crawler checks, Core Web Vitals, Search Console opportunities. One command each — MIT on GitHub.

June 11, 2026

Latest Posts - 79

Tapo H100: Cellar Humidity Monitoring in Home Assistant

A bare humidity number doesn't tell you when a cellar will condense. I added a cheap Tapo T310 to my H100 hub and turned it into a dew-point mold early-warning.

Author Cloudapp
E.G.
June 12, 2026

KNX Thermostat Preset Modes in Home Assistant

Why your KNX thermostat ignores the temperature you set in Home Assistant — the five HVAC preset modes, the snap-back that looks like a bug, and how I automate them.

Author Cloudapp
E.G.
June 11, 2026

An Alarm Dashboard + Tecnoalarm Keypad in Home Assistant

Building a security dashboard in public: simulated sensors, a debounced trigger, dual logging, and the one decision that mattered most — what NOT to show.

Author Cloudapp
E.G.
June 10, 2026

KNX Motion-Sensor Automations in Home Assistant

Making KNX motion sensors drive lights that feel like the room is paying attention — the real trick is one extra group address, not a cleverer trigger.

Author Cloudapp
E.G.
June 9, 2026

Decoupling a KNX Alarm from the JUNG Panel in Home Assistant

I didn't want Home Assistant to be a slave to the JUNG alarm panel. So I inverted ownership: HA owns the alarm state and pushes it back onto the KNX bus.

Author Cloudapp
E.G.
June 8, 2026

The Best HACS Integrations for Home Assistant (My Must-Haves)

The HACS integrations I actually run in Home Assistant – Huawei Solar, Tapo cameras, button-card and more – plus the community must-haves worth knowing.

Author Cloudapp
E.G.
June 7, 2026

Solar Surplus into Hot Water: the AC·THOR in Home Assistant

I wired an AC·THOR 9s into Home Assistant to dump PV surplus into the hot-water tank — then the device refused every Modbus write. Here's the read-local, write-cloud fix.

Author Cloudapp
E.G.
June 7, 2026

Self-Consumption & Autarky: PV Metrics in Home Assistant

My inverter cloud shows self-consumption and autarky as pretty graphs. Home Assistant gives you raw counters. Here's how I rebuilt those numbers as template sensors I own.

Author Cloudapp
E.G.
June 6, 2026

How to Install HACS in Home Assistant – Step by Step

Install HACS in Home Assistant step by step: the Get HACS add-on (HAOS), the one-line installer (Container/Core), GitHub authorization, and common fixes.

Author Cloudapp
E.G.
June 6, 2026

Caching a Huawei SUN2000 over Modbus for Home Assistant

My Huawei SDongle accepts exactly one Modbus connection — but Home Assistant, the AC·THOR and evcc all want the inverter's data. Here's the ~300-line asyncio cache server I wrote to feed all of them from a single quiet poll.

Author Cloudapp
E.G.
June 5, 2026