Mechatronics

Inertial Sensor Development Kit，STM32F411C、NRF52810、MPU9250、LPS22HB

Local dashboards and physical controls for AI coding agents — native 3D aquariums, Stream Deck, Apple/Android apps, e-ink, ESP32 and LED displays.

FOC library for BLDC/PMSM compatible with all STM32 targets with FPU.

A minimal hardware-software architecture giving large language models a closed-loop physical embodiment with self-perception loops.

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

This is a project to create a digital camera with STM32 and OV7670

Lightweight onewire protocol library for embedded systems. It uses UART peripheral or GPIO toggling

A curated suite of AI agent skills for systems and low-level programming with C/C++, Rust, and Zig toolchains, covering compilers, debuggers, profilers, build systems, sanitizers, and binary analysis

Embedded Proto is a C++ Protocol Buffers implementation specifically suitable for microcontrollers. It is small, reliable and easy to use.

AI Closed-Loop Programming for embedded systems — the AI writes, flashes, and tests firmware on real hardware until the tests run clean. Spec to silicon, hands off.

Handheld T Display P4 & ESP32-P4 SDR scanners - RTL-SDR or LR2021 SDR, P25 Phase 1, FM/AM, ADS-B and POCSAG, plus onboard LoRa/MeshCore, GPS and Flipper .sub capture. No PC.

3D-printable pinch valve for irrigation and sensor-driven liquid control.

Collect, organize, preview, and manage your 3D printing models from the places where you discover them.

Lightweight JSON parser for embedded systems

OpenBuilds CONTROL: Download from https://software.openbuilds.com

Portable touchscreen SDR for M5Stack Tab5 + RTL-SDR dongles — spectrum, waterfall, FM/AM, Shortwave, ADS-B, FT8, P25, LoRa, RF tools, and Wi-Fi analysis without a PC.

BFree: Enabling Battery-free Sensor Prototyping with Python

Be Driven 🚘

Open-source 7DoF 3D-printable robotic arm with LeRobot integration.

ESP32-C3 + OLED desk monitor: live CPU/GPU/RAM/disk stats from a Windows/Linux companion app, and 12 animated retro clock styles when the PC sleeps.

A 14M-parameter LLM keeps a virtual fish tank alive on an $8 ESP32-S3 — distilled from a 26B teacher into 7.56 MB, no network.

Multi-modal constructive solid geometry kernel in Rust

Local-first AI coding quotas and ship status, on your menu bar, iPhone, Watch and an ESP32 desk display.

An open-source handmade smartwatch. All of the codes, PCBs and schematics are available. ⌚

Automate managing of STM32CubeMX + PlatformIO projects

Open Source DIY Metal CNC Machine

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.

What's the simplest possible AI robot that learns everything from scratch?

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

Touch dashboards for Home Assistant on ESP32-P4 and ESP32-S3 displays. Lights, climate, sensors, energy, weather and more, set up in your browser.

Program for preparing G-code for milling of printed circuit boards on CNC. You can use it as a converter to a PDF file.

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）

Single-line / open-paths sans serif font running in Adobe CC, Inkscape, Rhino and CAD softwares

XRobot Auto Code Generation Toolkit

Bambu Lab AI (Bambu Studio AI): agent skill for 3D printing on Bambu Lab. Finds models on MakerWorld & Printables, generates or designs them in CAD, checks printability, hands them to Bambu Studio and reads printer/AMS status. For Claude Code, Codex, Cursor, Gemini CLI and any SKILL.md agent. Featured in 我的拓竹 Skill 大赏.

Turn the IKEA SKAFTSÄRV lamp into a WLED smart light with an ESP32: wiring, parts list and config, controllable from Home Assistant.

Lean neural real-time acoustic echo cancellation with soft delay estimation - GGML and PyTorch inference

ML_SynthTools

PCF8574 library. i2c digital expander for Arduino, Raspberry Pi Pico and rp2040 boards, esp32, SMT32 and ESP8266. Can read write digital values with only 2 wire. Very simple to use and encoder support.

Open-source realtime voice agent server in Go with WebRTC (WHIP), barge-in, streaming STT/LLM/TTS pipelines, plugin system, multi-language SDKs, SIP telephony, ESP32 support & fully local mode.

CMSIS-DAP debugger firmware for STM32F042Fx and STM32F103xx

The memory & storage database engine for AI agents. Multi-model, edge-to-cloud, PostgreSQL-compatible. Supports graph, vector, array, timeseries.

From idea to object, and every version in between. Kiln is the open-source MCP server for 3D printing: AI agents (ChatGPT, Claude, Codex, Cursor, Gemini, Grok, Hermes Agent, or any MCP client) design, slice and print on Bambu Lab, Creality, Prusa, Elegoo, Klipper, OctoPrint and more. Git-style version control: branch, merge and undo your designs.

C/C++ PID Controller library for ARM Cortex M (STM32)

BLDC motor winding machine

Create 2D and 3D designs with AI

Python tool for flashing and debugging STM32 devices using ST-LINK/V2

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

GRBL control interface in Qt.

A unified tool for 3D printing filament management with RFID read/write support, compatible with multiple brands (Bambu, Creality, Snapmaker, and more).