Build smarter.
Understand the hardware.
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
Explore by topic
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.
-
Arduino VENTUNO Q price rises to $399 as introductory offer ends
Arduino has raised the VENTUNO Q’s official US price from $299 to $399 while preserving existing pre-orders; the…
-
Arduino App Lab 0.11 adds deployable app releases and local pose detection
Arduino App Lab 0.11 packages immutable app releases, adds an in-editor agent, local pose estimation on VENTUNO Q,…
-
BMP280 Pinout, I²C Address, SPI Wiring, Schematic and ESP32 Arduino Example
BMP280 breakout pinout and 0x76/0x77 I2C address configuration, I2C/SPI ESP32 wiring, functional schematic, chip-ID and Arduino code.
-
AHT20 vs AHT21 Pinout, I²C Address, Schematic and ESP32 Arduino Wiring
AHT20 and AHT21 temperature humidity sensor pinout, fixed 0x38 I²C address, LED jumper, ESP32 wiring, schematic and Adafruit…
-
BH1750 GY-302 Pinout, I²C Address (0x23/0x5C), Schematic and ESP32 Arduino Guide
BH1750 GY-302 light sensor pinout: 0x23/0x5C addresses, ADDR pin, Adafruit jumper, 3.3 V ESP32 wiring, schematic and Arduino…
-
SHT31 Pinout, I²C Address, Schematic and ESP32 Wiring (Adafruit Arduino Example)
SHT31 breakout pinout, 0x44/0x45 I2C address, Adafruit ADR/RST/ALR pins, ESP32 wiring, schematic, CRC and Arduino library example.
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.
