Mechatronics

π RuView turns commodity WiFi signals into real-time spatial intelligence, vital sign monitoring, and presence detection — all without a single pixel of video.

An MCP-based chatbot | 一个基于MCP的聊天机器人

Program your microcontrollers in a fast and robust high-level language.

Curated reverse-engineering tools and learning resources for binaries, apps, firmware, formats, and protocols.

Let an AI model use a real iPhone with a $7 ESP32: AirPlay eyes, USB HID hands, any OpenAI-compatible vision model. No Mac, no developer account, no jailbreak.

Official source code of FreeCAD, a free and opensource multiplatform 3D parametric modeler.

Put a USB-only UPS on the network: an ESP32-S3 board and firmware that serves NUT on TCP 3493, with a web UI. No host computer, no Raspberry Pi.

No-root Android + ESP32 Wi-Fi/BLE security testing toolkit. Deauth, captive portal, packet capture, BLE HID, and defense/detection modules, controlled over USB-OTG, no custom kernel or external adapter required.

Flipper Zero Unleashed Firmware

Build AI agents that run 100% on-device. Sub-100ms latency on Qualcomm NPU. Zero cloud dependency.

G-code generator for 3D printers (Bambu, Prusa, Voron, VzBot, RatRig, Creality, etc.)

Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.

Build your own robot duck. XGO-Duck is a 3D-printable biped powered by Arduino UNO Q and 15 servos, adapted from Pollen Robotics' Microduck. Includes mechanical models, PCB designs, a BOM, and an assembly guide. Build it, explore its motion, and make it your own.

Web app for planning drawer organization using the Gridfinity modular storage system

A fully modular 3D-printable rack-building system

Open-source vacuum robot cleaner

Open-source telemetry dashboard. Supports UART, BLE, MQTT, Modbus, CAN Bus and more.

ClickHouse® is a real-time analytics database management system

A simple and easy-to-use library to enjoy videogames programming

Open-source acoustic drone detection. It hears the propellers, not the radio, so it works against fibre-optic FPV aircraft that emit no signal at all.

Your Bambu Lab. No Cloud. Your Rules. Self-hosted command center for Bambu Lab — from one A1 to an entire print farm.

Web-GUI Embedded Multitool

闪猫造物Flashduck — an open-source ESP32-S3 desktop duck robot with six servos, a single animated eye, wide-stance walking and two interaction systems (voice assistant / DuckClaw local agent).

Open-source e-reader firmware

本项目为xiaozhi-esp32提供后端服务，帮助您快速搭建ESP32设备控制服务器。Backend service for xiaozhi-esp32, helps you quickly build an ESP32 device control server.

A mouse-operated, windowed desktop for microcontrollers, drawn in your terminal: Files, Editor, Shell, MQTT, Modbus. Tested on ESP32 boards; also runs on Windows and Linux.

Turn a YAML memory layout, or a firmware ELF and its linker map, into a datasheet-style memory map. Validates addresses, sizes and flash sectors, then renders SVG, PNG or PDF.

A suite of WiFi/Bluetooth offensive and defensive tools for the ESP32

A small desktop robot that brings an AI coding assistant to life, physically acting out when it reads files, thinks, writes code, and finishes work.

A python CAD programming library

Flipper Zero firmware source code

Embedded Template Library

Full-color flat FDM printing with calibrated filament layer mixing. Reproduce image colors and tonal detail, fine-tune local recipes, and export slicer-ready 3MF files.

Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.

Just enough OS for KODI

Emulate Arduino, ESP32 & Raspberry Pi. in your browser. Write code, compile, and run on 19 real boards — Arduino Uno, ESP32, ESP32-C3, Raspberry Pi Pico, Raspberry Pi 3, and more. No hardware, no cloud, no limits.. Discord: https://discord.gg/3mARjJrh4E

Comprehensive roadmap for aspiring Embedded Systems Engineers, featuring a curated list of learning resources

OpenSCAD - The Programmers Solid 3D CAD Modeller

Tessera: beautiful, easy touch screens for Home Assistant on affordable ESP32 panels, 2.8 to 10.1 inch (CYD, Guition, Waveshare). Drag-and-drop editor, no YAML, no MQTT.

LVGL is a free, full-featured embedded UI library for devices from small MCUs to 3D-capable MPUs, enhanced by LVGL Pro, a professional editor and tooling.

EMBA - The firmware security analyzer

Open firmware for the Echo Show 5, 1st and 2nd gen: Alpine Linux instead of Android, no Alexa. A local Home Assistant voice satellite with its own touch screen, on-device wake word, SSH and A/B over-the-air updates.

layerling - Easy 3D CAD for 3D printing

Exact B-Rep CAD in TypeScript, with a Claude Code plugin that lets agents write parts and check them on OpenCascade.

Cornelius, le cadre/miroir intelligent : il vous reconnaît, vous écoute et répond en français. Assistant vocal, reconnaissance faciale en local, Home Assistant, météo, transports et beaucoup plus !

A Hardware Hacking Tool with Web-Based CLI That Speaks Every Protocol

Source-verified BIOS and firmware packs for RetroArch, Batocera, Recalbox, Lakka, RetroPie, EmuDeck, RetroBat, RetroDECK, RomM, BizHawk, ROCKNIX, and MiSTer FPGA. Platform-native verification, with emulator source code as the deciding authority.

A lightweight, low-allocation, high-performance HTTP client library for ESP32.

Secure Wireless Data-Transfer over BLE and USB for Passwords, Pentesting and Media Control.

Embeddable Linux Kernel Subset - Linux for 8086