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Clear pinouts, practical projects, buying comparisons and hands-on guidance for ESP32, Arduino, Home Assistant and home servers.
Featured electronics stories
Fresh news will appear automatically when published.
ESP32 for Matter, Thread and Zigbee
Best ESP32 for Home Assistant and ESPHome
BME280 vs BME680 vs BME688
Curated stories while awaiting new announcements
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From your first microcontroller to a fully connected home lab.
Start with these guides
Our hand-picked entry points for boards, wireless protocols and smart-home builds.
ESP32 Versions Compared: Which Should You Buy?
A clear starting point for choosing the right ESP32 family, radio and development board.
Read the guide →Best ESP32 for Home Assistant and ESPHome
Choose between C6, S3, C3 and C5 for everyday smart-home projects.
Read the guide →ESP32 for Matter, Thread and Zigbee
Compare low-power radios and find the right chip for a modern mesh network.
Read the guide →Build a home server that earns its place.
Practical buying advice and setup guides for backup storage, containers, Home Assistant and small servers — without enterprise complexity.
Explore NAS guides →Latest from the bench
Fresh tutorials and comparisons, updated automatically as new articles are published.
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Smart Plug vs CT Clamp vs DIN-Rail Meter: Which Energy Monitor to Buy?
Compare smart plugs, CT clamp systems and DIN-rail electricity meters for Home Assistant. Choose by appliance, circuit or…
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Best Energy-Monitoring Smart Plugs for Home Assistant
Compare Shelly Plug M/PM Gen3, Tapo P110M, Eve Energy and Zigbee plugs for Home Assistant. Check local kWh…
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Home Assistant Energy Dashboard: Correct Grid, Solar and Battery Entities
Map Home Assistant Energy dashboard entities correctly: grid import/export, solar generation, battery charge/discharge and SOC, with setup checks…
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Shelly Pro 3EM Home Assistant Setup: Local Data and Solar Import Export
Set up Shelly Pro 3EM with Home Assistant locally: discover the official integration, identify correct import/export kWh sensors,…
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Best DIN-Rail Modbus Energy Meters for Home Assistant
Compare the best DIN-rail Modbus energy meters for Home Assistant: Eastron SDM120/SDM630, Carlo Gavazzi, Schneider, RS485 wiring, CTs,…
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Single-Phase vs Three-Phase Energy Monitoring for Home Assistant
Understand single-phase versus three-phase Home Assistant energy monitoring, grid import and export, correct phase matching, CTs, solar, EVs…
Projects, news & useful references
More ways to explore the electronics and open-hardware ecosystem.
ESP32 Bluetooth Proxy for Home Assistant
Turn a simple ESP32 into a practical Bluetooth bridge for your smart home.
Read project →News, new chips and open-source hardware
Follow microcontroller announcements, software releases and emerging maker platforms.
Browse news →New to ESP32? Begin here.
Pick a board, install your tools and take the first step with a simple project.
