Mechatronics

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.

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-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).

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.

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 !

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.

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）

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.

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

A Game Engine for microcontrollers, based on Godot and Jet Engines

Desktop app for designing parametric 3D models in CadQuery together with the coding agent of your choice

OrcaSlicer fork that prints with two different nozzle sizes in one print, each at its own layer height.

Parametric CAD for 3D printing, in your browser. Offline version for your Mac, Windows or Linux computer is also available.

Replacement firmware for the Snowsky Echo Mini 8 GB music player: Cover Flow, a library built on the player, favorites, playlists and Up Next

C++/Qt 6 visual HMI designer for hardware engineers: drag and drop widgets, bind serial, TCP or MQTT data (Modbus RTU/TCP) and export a standalone app in under a second, no compiler needed. Opens PyQt UI Designer .uidp projects. 面向硬件工程师的 C++/Qt 6 可视化上位机设计器：拖拽控件，绑定串口、TCP、MQTT 数据，不到一秒导出独立应用，无需编译器；兼容 PyQt UI Designer 的 .uidp 工程。

Live English speech recognition on the ESP32-P4: a 65.7M-parameter streaming transducer in 2/4-bit weights, faster than real time, on the chip alone. With six voice-control demos.

Build voice and text devices for your Hermes Agent, with ESP32 firmware, a Linux client, and a desktop simulator.

Kubernetes-compatible control plane, Kubelet agent, and WebAssembly runtime for ESP32 microcontrollers

Tools to fingerprint WiFi Access Points running the Broadcom SDK and a list of known affected devices.

Cairn: custom MeshCore companion firmware with a touch UI for the Wio Tracker L2 Pro, Heltec V4 and LilyGO T-Display SF32, plus builds for the Wio Tracker L1 Pro, Heltec T096 and about 30 preview boards. Works with the official MeshCore apps. Release images.

Whistle speech-to-text running fully on an ESP32-S3: hold a button, say a colour in one of 7 languages, the LED does it. No network.

Raspberry Pi 5 home NAS: CasaOS apps, Nur Hub and the Nur app (local AI, Fish Audio voice), a 3D-printed case and an ESP32-S3 touch screen

Custom firmware for Feetech STS32XX servos (GD32F130) in SO-ARM100, SO-ARM101 and SO-ARM102 robot arms, with smooth motion, tunable PID and gravity compensation.

Une boîte qui raconte une histoire quand on pose une figurine dessus. Boîtier, carte, micrologiciel et doc pour la refaire.

Guitar pedal using a stm32h7 microcontroller programmed with CubeIDE (PCB and Firmware)

Unlock an Echo Dot (2nd Generation) over USB, move it between amonet targets, or return it to stock.

E-Ink-Abfahrtsdisplay für MVG/MVV-Haltestellen (Heltec Vision Master E290)

PCIe DMA-based external game state reader. Hardware DMA capture, memory layout discovery, no in-process injection. C#

Oído: open-vocabulary speech recognition on a $5 ESP32-S3, faster than real time. No cloud, no NPU. English + Spanish.

Browser-based 3D CAD, community-maintained. No install.

Actell (执言) is an experimental AI agent for iPhone that understands the screen and performs actions via CoreDevice, using on-device loopback or an ESP32 relay. An early-stage, vibe-coded prototype for exploration and idea sharing.

Native macOS menu bar app for Bambu Lab 3D printers. Live progress, time left, temperatures, AMS spools and errors, print controls, several printers and desktop widgets. Local network, no account or cloud.

ESP32 2.4 GHz SDR

QEMU digital twin of Microchip dev boards and MikroE Click boards, checked against silicon: live board view, logic-analyzer timeline, fault injection, exact replay, VS Code extension, MCP (personal project)

Free pinout diagrams & GPIO reference for 2,700+ dev boards and 575 modules: ESP32, ESP8266, Arduino, Raspberry Pi, RP2040, RP2350, Teensy, displays and sensors. Datasheets and source links for every board. Web app + offline desktop workbench.

The smallest firmware for the M-VAVE FM-1 to build your own on: the plumbing done and documented (updates, USB rescue, USB-MIDI, USB audio, panel, screen, settings), a sine on top.

Pocket e-ink OS for the Waveshare ESP32-S3 1.54" board: class timetable with calendar sync, AI voice notes for Obsidian, a Pet that meets your friends' Pets, name badges and one-button games. Install it from your browser, or join the waitlist: unidex-site.vercel.app

ESP32 MCP firmware for iPhone USB input, built for M5Stack StopWatch with guided board adaptation

Kinetiq Gym: a programmable smart gym built as open hardware, in development. Website, build preview, docs and priced parts lists. CAD, build files and software are released after the prototype is tested.

A language model trained from scratch and running offline on an ESP32-S3 with a touchscreen chat interface.

Optimized ESP32-S3/P4 fully offline speech to text and text to speech system for Micropython and AtomVM, featuring a finetuned STT model for noisy environments, plus a data generation/field capture/model finetuning framework. Includes high performance 4/8bit int kernels for Xtensa/RiscV PIE vector units

Build Peri: STL print files, assembly guides, and Raspberry Pi/Arduino software for a DIY voice chatbot. Personal and noncommercial use.

A multi-model Muse: personal AI voice assistant on ESP32 - wake word or knob, any OpenAI-compatible brain (STT/chat/TTS mix-and-match), streaming replies, out of the box. Built on muse-gadget-sdk.

Native SDR++ source module for ESP-SDR on the ESP32-S3: real IQ over USB, no bridge needed

A desk flower that moves with local Codex and WorkBuddy tasks. Open-source macOS bridge, ESP32 firmware and setup guides.

Reverse-engineered docs and tools for 8BitDo firmware encryption methods