Mechatronics

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

Self-hosted asset management for 3D printing files, slicer metadata, and printer workflows.

ESPHome is a system to control your ESP32, ESP8266, BK72xx, RP2040 by simple yet powerful configuration files and control them remotely through Home Automation systems.

The ESP32-S3 bench guide as a React app: live pinout, lessons with interactive simulators, a code reader for the esp-labs firmware, and the bench log. In 11 languages.

Firmware patcher for Xiaomi routers

Next-gen open source ambient lighting system featuring a high-precision floating-point color pipeline breaking legacy RGB 24-bit limits. Includes advanced smoothing with inertia and adaptive temporal dithering for perfectly fluid, stable output to LEDs from any SDR or HDR video source. Supports Windows, macOS and Linux (x86/ARM).

AWTK = Toolkit AnyWhere(a cross-platform embedded GUI)

Firmware for the Original Prusa MINI, Original Prusa MK4, Original Prusa XL and Prusa CORE One 3D printers by Prusa Research.

An embeddable dynamic programming language for Rust.

Arduino core for the ESP32 family of SoCs

The official firmware for Meshtastic, an open-source, off-grid mesh communication system.

MCP server for Bambu Lab 3D printers — STL manipulation, BambuStudio or FULU/orca slicing, Blender MCP integration, and direct printer control

Wi-Fi motion sensing platform for ESP32. C++ SDK, ESPHome, Native, and Matter frontends, browser tools, and a CLI for the full device lifecycle. GPLv3 and commercial licensing.

Modular Open Source Radio Firmware

宗主：Waveshare 1.75C 圆屏 ESP32 上的 Grok Bot 语音终端，会眨眼的眼睛表情、字幕与朗读，含固件和后端源码（2.5.2.9）

Automated ARB (Anti-Rollback) index tracker for OnePlus 15, 15R, 13, and many more across multiple regions

Pi-hole-class DNS ad-blocker on a $2 ESP32-C3 (no PSRAM): 537k domains as 40-bit FNV-1a hashes in flash, binary-searched. UDP DNS sinkhole + web dashboard. https://youtube.com/shorts/RaxszOUMi8E?feature=share

ESP32-DIV HaleHound Edition for Cheap Yellow Display - Multi-protocol offensive security toolkit

Eclipse ThreadX is an advanced real-time operating system (RTOS) designed specifically for deeply embedded applications.

EDK II

ESPTimeCast™ is a sleek, WiFi-connected LED matrix clock and weather display built on ESP8266/ESP32 and MAX7219. It combines real-time NTP time sync, live OpenWeatherMap updates, and a modern web-based configuration interface — all in one compact design.

Making an ESP32-based quadcopter from scratch

print in docker - Deploy a containerized Klipper Stack for your 3D Printer

Convert vector graphics to g-code for pen plotters, laser engravers, and other CNC machines

F´ - A flight software and embedded systems framework

FW for ESP8266/ESP8285/ESP32 used with 3D printer

ESP-SDR uses the undocumented raw I/Q capture functionality of ESP32 family chips to turn them into (low-duty-cycle) Software Defined Radios

🦆 Microduck 飞特 HD1910 机器人鸭复刻：单脚独立实机、现成动作模型、中文中控、自制 HAT/IMU 与三步教程。正常复刻无需训练。Feetech HD1910 Microduck replica: one-legged balance, ready-to-use models, Chinese console, custom HAT/IMU & 3-step build guides. No training required.

A modular, multi-node ESP32 anti-tracking decoy swarm. summon the crowd, bury the signal.

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

iOS/macOS Research Swiss Army Knife

Restore/upgrade firmware of iOS devices

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

Multi-modal constructive solid geometry kernel in Rust

Low level access to Cortex-M processors

Keep track of your inventory of 3D-printer filament spools.

Local, receive-only Samsung washing machine monitoring with ESPHome and Home Assistant.

Modern embedded framework, using Rust and async.

The official build framework for the Armbian Linux distribution. This repository contains the complete toolchain and scripts required to compile custom OS images from source, including kernel configuration, U-Boot handling, and board-specific tweaks for various ARM and ARM64 single-board computers.

A lightweight, lightning-fast, in-process vector database

Curated list of resources for Embedded and Low-level development in the Rust programming language

Home automation firmware for ESP8266-based devices

Custom and repackaged Snapmaker U1 firmware

Mainsail is the popular web interface for managing and controlling 3D printers with Klipper.

Lightweight open-source firmware for Xteink e-paper reader (Xteink X3, X4, X4 Pro, X4 v2 Classic, Seeed reTerminal Sticky, and Murphy M4) • EPUB/FB2/MD/TXT support • Custom themes & fonts

QP/C Real-Time Event Framework/RTOS implements event-driven Active Object (Actor) model combined with Hierarchical State Machines. Specifically designed for embedded systems (e.g., ARM Cortex-M MCUs).

Esphome based smart home control panel

Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨

Arduino library to play MOD, WAV, FLAC, MIDI, RTTTL, OGG/Opus, MP3, and AAC files on I2S DACs or with a software emulated delta-sigma DAC on the ESP8266 and ESP32 and Pico

Linux firmware for the Echo Dot (2nd gen): no Fire OS, no Alexa. A local Home Assistant voice satellite with all seven mics, Bluetooth speaker mode, signed A/B updates and SSH.