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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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STM32 GPIO Voltage Levels: Which Pins Are 5V Tolerant? Blue Pill Wiring Guide (2026)
Which STM32 Blue Pill pins accept 5V? Verified STM32F103C8 FT pin list, ADC limits, 5V-to-3.3V dividers, I2C/UART tips…
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STM32 BOOT0 and Bootloader Explained: Boot Modes, Blue Pill Wiring and Recovery (2026)
STM32 BOOT0 explained: F103 BOOT0/BOOT1 truth table, system-memory USART1 bootloader, UART wiring, flash recovery and newer STM32 boot…
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Home Assistant OS 18.4 RC1 fixes Raspberry Pi USB storage and Realtek VLAN faults
Home Assistant OS 18.4 RC1 targets Raspberry Pi SSD failures and Realtek VLAN timeouts, and adds signed release-image…
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STM32 Blue Pill USB Not Working? Fix USB Detection, CDC Serial and Upload Errors (2026)
STM32 Blue Pill USB not detected? Fix F103C8 USB CDC, R10 pull-up, PA11/PA12, 48MHz clock and upload errors.…
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ST-LINK V2 Pinout and STM32 SWD Wiring Guide: Blue Pill, Black Pill and 20-Pin Connector (2026)
ST-LINK V2 pinout and SWD wiring for STM32 Blue Pill and Black Pill. Verified genuine 20-pin CN3 pins,…
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STM32 Blue Pill with Arduino IDE 2: Complete Installation and Upload Guide (2026)
Install STM32duino core 3.0.0 in Arduino IDE 2, program STM32F103C8 Blue Pill via ST-LINK or UART, fix upload…
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.
