FREE FIELD MANUAL
The Home Sensor Handbook
The definitive 17-page field manual for basic electronics, sensor protocols, safe wiring, and practical smart home security decisions.
Local-first smart home / Security architecture
Smart home security without the cloud tax.
Network architecture, local recording, cameras, locks and automations built right, not just plugged in.
01 / Explore
Security Cameras
IP cameras, RTSP streams, local recording and privacy-first monitoring.
02 / Explore
Network Hardening
VLANs, firewall rules, IoT isolation and safer home network design.
03 / Explore
Local-First Storage
NVRs, NAS storage, retention planning and no-cloud recording paths.
04 / Explore
Smart Locks & Access
Access control, lock reliability, fallback entry and local automations.
05 / Explore
Home Automation
Home Assistant, local triggers, Zigbee, Matter and resilient routines.
06 / Explore
Solar Energy
Backup power, solar readiness and keeping security systems online.
07 / Explore
Local AI
Self-hosted models, security AI, private inference and practical hardware benchmarks.
/ Secure assets & blueprints /
The Vault
Field manuals, network diagrams, and YAML templates for local-first home security.
Editorial highlights
Trending this month
Four guides gaining attention across the last 30 days, recalculated every week.
#01
Trending / 30 days
Turn an Old Android Phone Into a Home Server Without Ignoring the Battery
Reuse an old Android phone as a zero-cost local server with Termux, SSH, file access, safe charging, and realistic limits.
Read guide
#02
Trending / 30 days
Immich Hardware Requirements: Mini PC, NAS, or Old Desktop?
Choose practical Immich hardware for photo backup, video thumbnails, machine learning, storage growth, and low idle power.
Read guide
#03
Trending / 30 days
UniFi Camera VLAN Isolation for Local NVR Recording
Configure a UniFi camera VLAN that blocks WAN access, keeps RTSP recording local, and gives the NVR exactly the access it needs.
Read guide
#04
Trending / 30 days
How Much Hardware Does a Private ChatGPT Actually Need?
Size CPU, RAM, VRAM and storage for Open WebUI, Ollama, local RAG and multiple users without buying an oversized AI server.
Read guideLatest guides
Practical local-first guides ordered by publication date, from broad architecture to stack-specific setup and troubleshooting.
/local-ai/home-automation
AI Energy Management With Home Assistant and EMHASS
Use EMHASS with solar forecasts, dynamic tariffs, EV charging constraints and deterministic Home Assistant fallbacks.
/local-ai/home-automation
Build an Offline Multimodal Voice Assistant for Home Assistant
Build a local Home Assistant voice pipeline with wake word, speech, Gemma 4 context, allowlisted actions and spoken responses.
/local-ai/local-first
Gemma 4 Audio Local Inference: What Works Offline and What Does Not
Test Gemma 4 audio locally for transcription and translation, with realistic runtime, format, memory and latency limits.
/local-ai/local-first
How Much Hardware Does a Private ChatGPT Actually Need?
Size CPU, RAM, VRAM and storage for Open WebUI, Ollama, local RAG and multiple users without buying an oversized AI server.
/local-ai/local-first
Local RAG With Open WebUI: Chat With Documents Without the Cloud
Build an offline Open WebUI RAG workflow for PDFs with local embeddings, practical chunking, evidence checks and private storage.
/local-ai/local-first
Open WebUI on Windows: Build a Private ChatGPT With Ollama
Run Open WebUI and Ollama on Windows with persistent storage, LAN access controls, backups and no accidental internet exposure.
/local-ai/home-automation
Reduce Food Waste With Local OCR, Private RAG and Fridge Photos
Turn fridge photos into a private local inventory with OCR, recipe retrieval and honest date-label alerts that require confirmation.
/local-ai/home-automation
Build a Local AI Irrigation System With Soil Sensors and Weather RAG
Combine calibrated soil sensors, local climate history and guarded Home Assistant automations for private, water-aware irrigation.
/local-ai/home-automation
Build an Offline Care Assistant for Older Adults or Pets
Combine local voice, fall signals, medication reminders and family alerts without turning a home lab into a medical device.
/local-ai/local-first
Qwen3 vs Gemma 4 for Local Coding: Which Model Fits Your Hardware?
Compare Qwen3 and Gemma 4 for private C# and .NET coding by memory use, context, tooling and reproducible local tests.
/local-ai/local-first
How to Run a Local Coding LLM With Only 4GB or 8GB of VRAM
Run a useful local coding model on limited VRAM by controlling quantization, context, KV cache and CPU offload.
/local-ai/home-automation
Best GPU for Home Assistant AI in 2026: VRAM, Power and Real Costs
Choose a practical GPU for Home Assistant, local LLMs, Whisper and camera AI without wasting money or power.
/local-first/home-automation
Build a Digital Home That Still Works Without the Internet
Design a local-first digital home where lights, locks, cameras, automations, files, and dashboards keep working during internet outages.
/local-first/local-first-storage
Turn an Old Android Phone Into a Home Server Without Ignoring the Battery
Reuse an old Android phone as a zero-cost local server with Termux, SSH, file access, safe charging, and realistic limits.
/local-first/home-automation
How to Migrate a Smart Home From Cloud-Dependent to Local-First
Move cameras, automations, storage, DNS, and remote access toward local-first control without breaking the house in one weekend.
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