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Clear pinouts, practical projects, buying comparisons and hands-on guidance for ESP32, Arduino, Home Assistant and home servers.
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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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Home Assistant Connect AUX-2 adds PoE audio, serial control and ESP32-S3
Nabu Casa’s $69/€59 Connect AUX-2 uses an ESP32-S3 to add PoE networking, audio streaming, dual RS-232, Bluetooth proxying…
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STM32 USB HID Keyboard Tutorial: Build a Custom USB Keyboard with the Blue Pill (2026)
Build an STM32F103 Blue Pill USB HID keyboard with CubeMX, HAL, 63-byte report descriptor, eight-byte reports, PB0 button,…
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STM32 WS2812B Tutorial with TIM3 PWM and DMA on the Blue Pill
Drive WS2812B LEDs with STM32 TIM3 PWM and DMA. Wire a 5 V buffer, calculate the compare values…
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STM32 DWT Cycle Counter Tutorial with CYCCNT on the Blue Pill
Measure STM32 firmware with the DWT CYCCNT register. Compare HAL and BSRR, account for overhead and convert cycles…
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STM32 DS18B20 Temperature Sensor with 1-Wire over UART
Connect a DS18B20 to an STM32 Blue Pill. Build 1-Wire slots with USART1, verify the scratchpad CRC and…
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STM32 Bootloader Application Jump with VTOR on the Blue Pill
Link a bootloader and application for the STM32F103 Blue Pill. Check the vectors, set VTOR and MSP, and…
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.
