Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.

My take on the quadruped Spot Micro robot. Its built around an ESP32 cam microcontroller and utilizes a svelte app to control it

AquaPi for esp32 devkit & Home Assistant

CAN J1939 protocol embedded library

esp32 cam digital low latency fpv

Atlas Scientific Wifi Aquaponics Kit

GPIOViewer Arduino Library to see live GPIO Pins on ESP32 boards

🦖 DevPet, a developer focused embedded pet, based on an ESP32 microcontroller

eForth in C/C++ - multi-platform (Linux,Windows,ESP32,WASM)

TeslaMate on your desk

PlatformIO library LVGL Drivers for Sunton Smart display boards (CYD Cheap Yellow Display). This library supports these boards without any effort. ESP32-2432S024N/R/C, ESP32-2432S028R/C, ESP32-3248S035R/C, ESP32_8048S070N/C

Manual for the learning of embedded systems basics

ESPHome is a system to control your ESP8266/ESP32 by simple yet powerful configuration files and control them remotely through Home Automation systems.

OTA updates made slick and simple for everyone!

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Full documentation at

Cheap Yellow Marauder (v0.13.10) Box Build & Flasher tool

Arduino core for the ESP32

DRM Watch 3 - Наручний годинник з дисплеєм SHARP Memory LCD

WipperSnapper is a firmware for creating no-code IoT electronics projects.