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
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.
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#02
Trending / 30 days
Immich vs Google Photos: The Local-First Trade-Off
Compare Immich and Google Photos by ownership, backup behavior, sharing, search, maintenance, privacy, and failure modes.
Read guide
#03
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
#04
Trending / 30 days
Build a Local NVR With Frigate and No Cloud Subscription
Learn how a local-first NVR with Frigate can record security cameras at home without relying on paid cloud storage.
Read guideLatest guides
Practical local-first guides ordered by publication date, from broad architecture to stack-specific setup and troubleshooting.
/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.
/local-first/home-automation
Local-First vs Cloud-First Smart Home: What Actually Changes
Compare local-first and cloud-first smart homes by latency, ownership, outages, privacy, backups, updates, and remote access.
/local-first/local-first-storage
Local-First No-Cloud Home Architecture That Still Works Offline
Design a no-cloud home stack with local DNS, storage, Home Assistant, backups, VLANs, and private remote access.
/smart-locks-access/home-automation
Home Assistant Smart Lock Setup Without Cloud Dependence
Connect smart locks to Home Assistant with local control, safe automations, guest codes, alerts, and conservative unlock rules.
/smart-locks-access/home-automation
How to Choose a Local-First Smart Lock Without Buying App Dependency
Choose a smart lock by protocol, fallback access, battery behavior, and local control instead of app polish or cloud features.
/smart-locks-access/home-automation
Smart Lock Troubleshooting: Battery, Keypad, Hub, and Door Problems
Diagnose smart lock failures by separating mechanical alignment, battery, keypad codes, local hub state, and cloud dependency.
/solar-energy/home-automation
Troubleshoot Modbus RTU to MQTT Inverter Readings
Fix silent RS-485 buses, wrong register values, stale MQTT topics, and Home Assistant sensor problems in inverter telemetry.
/security-cameras/local-first-storage
Do Not Buy a Wi-Fi Camera Before Understanding NVR Recording
A Wi-Fi camera with only an internal SD card can lose the evidence with the camera. Use a local NVR and small UPS plan instead.
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