MCU Hub

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.

GitHub
10

Top open-source MCU projects & firmware

Thangs
8

Top 3D models for ESP32 & MCU builds

Printables
8

Top 3D-printable MCU projects

YouTube
10

Highly viewed MCU videos this week

All content
Raspberry Pi Pico Weather Station Housing
Thangs

Weatherproof IP54 enclosure for a Pico W weather station with BME280 and solar panel mount.

RP2040
IoT
intermediate
540 2.1k 1d ago
by windyworks
WLED on ESP32 — The Only Tutorial You Need
YouTube

Complete WLED installation, configuration, sync, and integration with Home Assistant from scratch.

ESP32
Display
beginner
201.1k 25:40 1d ago
by ResinChem Tech
I Replaced Every Smart Device with ESP Home
YouTube

Full home-automation stack on ESPHome + Home Assistant — temperature, lights, locks, and shades.

ESP32
Home Automation
intermediate
312.5k 21:15 1d ago
by Everything Smart Home
FastLED/FastLED
GitHub

The performance-minded LED library for Arduino-compatible MCUs including ESP32, Teensy and RP2040.

Arduino
Display
beginner
7.2k 3.1k 1d ago
by FastLED
Aircoookie/WLED
GitHub

Control WS2812B and many more types of digital RGB LEDs with an ESP8266 or ESP32 over WiFi!

ESP32
Display
beginner
15.8k 3.3k 1d ago
by Aircoookie
espressif/esp-idf
GitHub

Official Espressif IoT Development Framework for ESP32, ESP32-S and ESP32-C series SoCs.

ESP32
Tools
advanced
14.3k 7.7k 1d ago
by espressif
ESP32 Temperature Sensor Wall Mount
Printables

Minimal wall-mount case for an ESP32 + DHT22 room sensor. Push-fit vented lid, no screws needed.

ESP32
Sensors
beginner
724 5.4k 1d ago
by maker42
ESP32-S3 LED Badge Conference Wearable
Thangs

Lanyard-friendly badge housing for ESP32-S3 with a 64x32 RGB matrix. Slot for 18650 battery.

ESP32
Wearables
intermediate
389 1.6k 2d ago
by badgecraft
mathieucarbou/ESPAsyncWebServer
GitHub

Async Web Server for ESP8266 and ESP32 — WebSocket, EventSource and URL rewrites. Actively maintained fork.

ESP32
IoT
intermediate
892 140 2d ago
by mathieucarbou
STM32 in 2026 — Why I Switched from Arduino
YouTube

Comparing STM32 to Arduino in 2026. Cube IDE, HAL vs LL drivers and when STM32 is the right call.

STM32
Tools
intermediate
96.3k 23:40 2d ago
by DroneBot Workshop
ESP32 DevKit V1 Snap-fit Enclosure
Thangs

Compact snap-fit case for the ESP32-WROOM DevKit V1 with cable strain relief and USB cutout.

ESP32
Tools
beginner
412 3.3k 2d ago
by makerhub
arendst/Tasmota
GitHub

Alternative firmware for ESP8266/ESP32 with web UI, OTA updates, and MQTT — a Home Automation staple.

ESP8266
Home Automation
intermediate
22.4k 4.9k 2d ago
by arendst
ESP32-CAM Bird Feeder with AI Detection
Printables

Weather-resistant bird feeder with ESP32-CAM streaming to Frigate for species detection.

ESP32
IoT
advanced
2.1k 11.4k 2d ago
by wildwatch
Build Your First ESP32 Project (2026 Beginner Course)
YouTube

Complete beginner-friendly walkthrough: flashing ESP32, WiFi, MQTT and a first IoT project.

ESP32
IoT
beginner
184.2k 30:20 2d ago
by Andreas Spiess
MarlinFirmware/Marlin
GitHub

Optimized firmware for RepRap 3D printers based on the Arduino platform — STM32 & AVR targets.

STM32
Tools
advanced
16.2k 19.4k 2d ago
by MarlinFirmware
Pico-powered 12-key Macropad
Printables

Low-profile 12-key macropad using Raspberry Pi Pico and Kailh Choc switches. Fully printable.

RP2040
Tools
intermediate
1.2k 8.8k 2d ago
by keybuilder
Raspberry Pi Pico 2 — Deep Dive & Benchmarks
YouTube

Everything new in the RP2350 Pico 2: dual-core ARM + RISC-V, security features and benchmark tests.

RP2040
Tools
intermediate
372.8k 18:00 2d ago
by ExplainingComputers
esphome/esphome
GitHub

ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful YAML configuration files.

ESP32
Home Automation
intermediate
8.4k 3.5k 3d ago
by esphome
raspberrypi/pico-sdk
GitHub

SDK for developing for the Raspberry Pi Pico and other RP2040-based boards.

RP2040
Tools
intermediate
3.6k 950 3d ago
by raspberrypi
Arduino Uno DIN-Rail Mount
Thangs

DIN-rail clip for mounting Arduino Uno R3 boards in electrical cabinets. Includes terminal board holes.

Arduino
Tools
beginner
298 1.8k 3d ago
by plasticfab
ESP8266 Smart Doorbell Enclosure
Thangs

Weather-sealed wall-mount enclosure for an ESP8266 + speaker smart doorbell with a PIR window.

ESP8266
Home Automation
intermediate
256 1.3k 3d ago
by homesmith
WLED Word Clock — 16x16 Matrix
Printables

Word clock using WS2812 16x16 matrix driven by WLED on ESP32. Diffuser and layered mask included.

ESP32
Display
intermediate
1.7k 9.8k 3d ago
by glowlab
ESP32 Wearable Heart-Rate Monitor Strap
Printables

Flexible wrist strap for MAX30102 + ESP32 mini. Includes charging dock model.

ESP32
Wearables
advanced
540 3k 3d ago
by healthmaker
Building a Tiny Self-Balancing Robot with Raspberry Pi Pico
YouTube

How I built a self-balancing bot with a Pico, MPU6050 and PID control — full code walkthrough.

RP2040
Robotics
advanced
228.9k 15:45 3d ago
by James Bruton
micropython/micropython
GitHub

MicroPython — a lean and efficient Python implementation for microcontrollers including RP2040, ESP32, STM32.

RP2040
Tools
intermediate
19.8k 7.8k 4d ago
by micropython
Arduino Nano Self-Watering Planter
Printables

Self-watering planter with Arduino Nano controlling a peristaltic pump from soil moisture readings.

Arduino
IoT
intermediate
890 6.1k 4d ago
by greenthumb
4WD ESP32-CAM Rover Chassis
Thangs

Printable 4-wheel drive chassis sized for TT-motors and an ESP32-CAM. Pan/tilt camera mount included.

ESP32
Robotics
intermediate
622 4.1k 4d ago
by rollingbots
ESP32-CAM — Top 5 Projects You Can Build This Weekend
YouTube

Five weekend-buildable ESP32-CAM projects: doorbell, pet cam, wildlife cam, time-lapse, and QR scanner.

ESP32
IoT
beginner
156.7k 13:40 4d ago
by Maker Pro
Make a Wearable LED Jacket with Arduino
YouTube

Sew-in LED jacket with an Arduino Nano, addressable LEDs, and a battery pack — no soldering required.

Arduino
Wearables
intermediate
89.2k 16:00 4d ago
by Becky Stern
Is the ESP8266 Dead in 2026?
YouTube

The ESP8266 is a classic, but is it still worth using in 2026? Price, features, and real project tests.

ESP8266
IoT
beginner
428.2k 12:00 5d ago
by GreatScott!
pr3y/Bruce
GitHub

Predatory ESP32 firmware — multi-tool for WiFi, BLE, IR, RF, NFC on cardputer, m5stick and similar devices.

ESP32
Tools
advanced
3.3k 410 5d ago
by pr3y
ESP8266 Smart Plug Housing (EU)
Printables

EU-format smart-plug housing for ESP8266 + relay running Tasmota. Includes snap-in cover.

ESP8266
Home Automation
advanced
412 3k 5d ago
by voltworks
STM32 Nucleo-64 Stackable Case
Thangs

Stackable case for STM32 Nucleo-64 boards, designed so multiple dev boards can be arranged vertically.

STM32
Tools
beginner
184 940 5d ago
by nuclei
STM32 Lo-Fi Synth Eurorack Module
Printables

Eurorack front-panel and housing for an STM32-based lo-fi synth module — CV/Gate compatible.

STM32
Audio
advanced
620 2.4k 6d ago
by modcraft
Build a Retro Chiptune Synth with STM32
YouTube

DIY 4-voice chiptune synthesizer on an STM32 BluePill. Schematic, PCB and firmware walkthrough.

STM32
Audio
advanced
142.5k 22:20 6d ago
by Hackaday
Arduino CNC Shield Stand-off Plate
Thangs

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

Arduino
Tools
intermediate
202 1.1k 6d ago
by cncbuddy