Top ESP32 & microcontroller content
A minimalist weekly digest of the best projects, 3D models and videos for makers — curated from GitHub, Thangs, Printables and YouTube. Filter, search and refresh each source independently.
Top open-source MCU projects & firmware
Top 3D models for ESP32 & MCU builds
Top 3D-printable MCU projects
Highly viewed MCU videos this week
Weatherproof IP54 enclosure for a Pico W weather station with BME280 and solar panel mount.
Complete WLED installation, configuration, sync, and integration with Home Assistant from scratch.
Full home-automation stack on ESPHome + Home Assistant — temperature, lights, locks, and shades.
The performance-minded LED library for Arduino-compatible MCUs including ESP32, Teensy and RP2040.
Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!
Official Espressif IoT Development Framework for ESP32, ESP32-S and ESP32-C series SoCs.
Minimal wall-mount case for an ESP32 + DHT22 room sensor. Push-fit vented lid, no screws needed.
Lanyard-friendly badge housing for ESP32-S3 with a 64x32 RGB matrix. Slot for 18650 battery.
Async Web Server for ESP8266 and ESP32 — WebSocket, EventSource and URL rewrites. Actively maintained fork.

Comparing STM32 to Arduino in 2026. Cube IDE, HAL vs LL drivers and when STM32 is the right call.
Compact snap-fit case for the ESP32-WROOM DevKit V1 with cable strain relief and USB cutout.
Alternative firmware for ESP8266/ESP32 with web UI, OTA updates, and MQTT — a Home Automation staple.
Weather-resistant bird feeder with ESP32-CAM streaming to Frigate for species detection.
Complete beginner-friendly walkthrough: flashing ESP32, WiFi, MQTT and a first IoT project.
Optimized firmware for RepRap 3D printers based on the Arduino platform — STM32 & AVR targets.
Low-profile 12-key macropad using Raspberry Pi Pico and Kailh Choc switches. Fully printable.

Everything new in the RP2350 Pico 2: dual-core ARM + RISC-V, security features and benchmark tests.
ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful YAML configuration files.
SDK for developing for the Raspberry Pi Pico and other RP2040-based boards.
DIN-rail clip for mounting Arduino Uno R3 boards in electrical cabinets. Includes terminal board holes.
Weather-sealed wall-mount enclosure for an ESP8266 + speaker smart doorbell with a PIR window.
Word clock using WS2812 16x16 matrix driven by WLED on ESP32. Diffuser and layered mask included.
Flexible wrist strap for MAX30102 + ESP32 mini. Includes charging dock model.
How I built a self-balancing bot with a Pico, MPU6050 and PID control — full code walkthrough.
MicroPython — a lean and efficient Python implementation for microcontrollers including RP2040, ESP32, STM32.
Self-watering planter with Arduino Nano controlling a peristaltic pump from soil moisture readings.
Printable 4-wheel drive chassis sized for TT-motors and an ESP32-CAM. Pan/tilt camera mount included.
Five weekend-buildable ESP32-CAM projects: doorbell, pet cam, wildlife cam, time-lapse, and QR scanner.
Sew-in LED jacket with an Arduino Nano, addressable LEDs, and a battery pack — no soldering required.
The ESP8266 is a classic, but is it still worth using in 2026? Price, features, and real project tests.
Predatory ESP32 firmware — multi-tool for WiFi, BLE, IR, RF, NFC on cardputer, m5stick and similar devices.
EU-format smart-plug housing for ESP8266 + relay running Tasmota. Includes snap-in cover.
Stackable case for STM32 Nucleo-64 boards, designed so multiple dev boards can be arranged vertically.
Eurorack front-panel and housing for an STM32-based lo-fi synth module — CV/Gate compatible.
DIY 4-voice chiptune synthesizer on an STM32 BluePill. Schematic, PCB and firmware walkthrough.

Acrylic-style stand-off plate for Arduino + CNC Shield V3, with DRV8825 cooling cutouts.