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 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,…
-
PCA9685 Pinout, I²C Address Jumpers, Servo Power, Schematic and ESP32 Arduino Example
PCA9685 16-channel PWM servo breakout pinout, six I2C address solder jumpers, servo V+ power, ESP32 wiring, 50 Hz…
-
INA226 Pinout, I²C Address Jumpers, Shunt Calibration, Schematic and ESP32 Arduino Example
INA226 pinout, shunt resistor markings, all 16 I2C addresses, ESP32 wiring, calibration, functional schematic and Arduino code.
-
Home Assistant 2026.10.3 fixes Proxmox update versions and duplicate UniFi events
Home Assistant 2026.10.3 fixes incorrect Proxmox update versions, duplicate UniFi Access events, missing Omada update entities and clearer…
-
INA219 Breakout Pinout, Address Jumpers, Shunt Wiring, Schematic and ESP32 Arduino Example
INA219 breakout board pinout, solder address jumpers, R100 shunt wiring, safe 3.3 V ESP32 example, Arduino library and…
-
TCA9548A Breakout Pinout: I²C Address Jumpers, RESET, Schematic and ESP32 Wiring
TCA9548A breakout pinout, I²C solder address pads 0x70–0x77, reset, SDA/SCL channels, functional schematic, ESP32 wiring and Arduino code.
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.
