lwIP Projects

A high-performance NES emulator implemented as a dynamic shared object for the Clocteck Holocubic ESP32-S3 platform. It utilizes the ESP-ELFLoader to integrate with cubic Lua firmware, providing a scriptable interface for gaming with support for multiple mappers and BLE controllers.

FlightPortrait is an open-source firmware for an ESP32-S3-powered 13.3" color e-ink frame that visualizes local aviation traffic. Built using the ESP-IDF framework, it leverages FreeRTOS and NimBLE to provide a secure, low-power display solution that retrieves images via HTTPS. The project emphasizes a "simple by design" approach, featuring a robust state machine for provisioning, polling, and deep sleep cycles to maximize battery life.

This project provides local voice assistant firmware for the ESP32-P4 platform, built natively on ESP-IDF and integrated with Home Assistant's Assist pipeline. It utilizes WakeNet9 for wake-word detection, MQTT for control and discovery, and features a local MP3 player and web-based management dashboard.

A high-efficiency, low-power environmental monitoring firmware developed using the native ESP-IDF v5.x framework for the ESP32-C3. It integrates deep sleep cycles with multi-sensor data collection and provides configurable alerts via Telegram, Discord, and custom webhooks. The system includes a built-in SoftAP web portal for runtime configuration, allowing users to manage Wi-Fi credentials and sensor thresholds without serial re-flashing.

POOM is an open-source multitool platform for ESP32-C5 and ESP32-C6 microcontrollers, designed for wireless security testing, IoT automation, and portable gaming. It leverages the ESP-IDF framework with FreeRTOS, OpenThread, and lwIP to provide a modular environment for Wi-Fi/BLE analysis and hardware interaction.

SensorStation3 is an ESP32-based environmental monitoring station that utilizes FreeRTOS and the LVGL graphics library to provide a real-time touchscreen dashboard. It supports a variety of I2C sensors for tracking temperature, humidity, CO2, and atmospheric pressure, featuring seamless integration with Home Assistant and MQTT-based platforms.

A comprehensive multi-screen information dashboard for the ESP32-based 'Cheap Yellow Display' (CYD) featuring real-time amateur radio data, weather, and financial tracking. Built with a hybrid Arduino and ESP-IDF framework, it utilizes FreeRTOS for task management and LovyanGFX for high-performance rendering on 2.8-inch touchscreens.

Overhead is a modular multi-page situational-awareness dashboard for ESP32-based touchscreen modules, such as the Cheap Yellow Display. Built on the Arduino framework and FreeRTOS, it integrates real-time data for satellite passes, aircraft ADS-B tracking, aviation weather, and celestial events. The project is specifically engineered for reliability on low-memory hardware, featuring a serialized HTTPS task and a remote web interface for control and monitoring.

GeoShake is an open-source firmware and hardware project for a distributed, real-time earthquake monitoring station based on the ESP32-S3. It utilizes high-precision accelerometers and on-device seismic processing to contribute to a global seismic network via MQTT and BLE connectivity.

NucleoOS is a web-native operating system designed for the M5Stack Cardputer (ESP32-S3), featuring both a native firmware UI and a desktop-class web shell. Built on the ESP-IDF framework and FreeRTOS, it optimizes constrained hardware (512 KB RAM) by offloading heavy tasks like AI and image generation to the browser via WebAssembly and WebGPU. The system includes a wide array of applications ranging from offline AI assistants and media players to a suite of security-testing tools.

ESP32-PLC is an open-source firmware project that transforms the ESP32 microcontroller into a functional Programmable Logic Controller (PLC) using ladder logic. Built on the Espressif IoT Development Framework (ESP-IDF) and FreeRTOS, it leverages the ladderlib library to execute industrial control programs and supports web-based logic editing and simulation.

An open-source DC uninterruptible power supply designed specifically for the Raspberry Pi 5, featuring triple-input power paths and smart battery management. It utilizes a dual-MCU architecture with a CH32X035 for power delivery and an RP2040 for the user interface, while supporting remote monitoring via FreeRTOS and the lwIP stack.

A production-grade UDS diagnostic stack for Zephyr RTOS and FreeRTOS that automates ISO 14229 compliance through a YAML-driven code generation workflow. It features ASIL-B safety wrappers, ISO-TP and DoIP transport support, and comprehensive testing tools for automotive and industrial ECUs.

WaveSight is an ESP32-based radar system that utilizes Wi-Fi Channel State Information (CSI) to detect human presence and movement without the need for cameras or PIR sensors. Built on the ESP-IDF framework and FreeRTOS, it features a real-time web dashboard for signal visualization, auto-calibration routines, and GPIO outputs for integration with external hardware.

ViewOwl is an IoT platform that enables ESP32-based displays to show live data from any API using standard HTML and CSS instead of complex embedded graphics code. It features a .NET 8 backend that renders web content via a headless browser and streams compressed frames to ESP32, ESP32-C3, and ESP32-S3 devices over a custom reliable UDP protocol.

A high-performance ESP-IDF component implementing AES67 and RAVENNA audio-over-IP standards on the ESP32-P4 microcontroller. It features hardware-accelerated PTP synchronization, sub-millisecond latency, and ISR-driven DMA playback to ensure glitch-free audio streaming over Ethernet.

NRSuite is a modular wireless research toolkit that offloads the radio layer to an ESP32 connected via USB OTG to an unrooted Android device. It enables advanced Wi-Fi operations, BLE HID emulation, and BadUSB functionality within the Termux environment using a custom binary bridge protocol.

LuxDMX is an open-source Art-Net and sACN to DMX512 gateway designed for ESP32 and ESP32-S3 microcontrollers, featuring a live web-based diagnostic interface. It provides professional-grade lighting control with support for RDM, source merging (HTP/LTP), and multiple network interfaces including WiFi and wired Ethernet. The project utilizes a FreeRTOS-based architecture to ensure low-jitter DMX timing while simultaneously serving high-speed telemetry via WebSockets.

An open-source firmware replacement for the TJ-56-654 weather clock kit, focusing on security, privacy, and performance. It features a fully asynchronous architecture for the ESP8266, utilizing NTP for time synchronization and the Open-Meteo API for weather data. The project provides a secure web interface, REST API, and Over-the-Air (OTA) update capabilities to replace insecure factory firmware.

AtlasCube is a feature-rich internet radio and smart clock firmware built for the ESP32-S3 using the ESP-ADF and LVGL libraries. It supports streaming various audio formats, Bluetooth A2DP/HFP via external modules, and local SD card playback, all managed through a comprehensive on-device GUI and a standalone web interface. The project is designed for independence from cloud services, offering local MQTT control, OTA updates, and a customizable event system.

OpenC6 BIOS is an advanced modular firmware platform for the ESP32-C6 RISC-V microcontroller that implements a PC-like architecture by decoupling hardware initialization from application logic. Built on FreeRTOS and the ESP-IDF framework, it provides a standardized System Call Interface (ABI) for executing bare-metal payloads, a management engine running on the LP-Core coprocessor, and support for network-based booting and OTA updates.

A self-contained SIP PBX designed for the ESP32-S3 that manages VoIP signaling without requiring external servers or cloud dependencies. It leverages C++17 and the ESP-IDF framework to provide a full-featured telephony environment where RTP media flows peer-to-peer, ensuring the microcontroller never becomes an audio bottleneck.

A specialized fork of Espressif's ESP-Hosted-MCU that unlocks low-level radio capabilities typically hidden by stock firmware, including 802.11p, CSI sensing, and FTM ranging. It operates as a wireless co-processor firmware for ESP32 chips, communicating with host MCUs over SDIO using FreeRTOS, lwIP, and NimBLE.

A portable biomedical monitor built on ESP32 and FreeRTOS that tracks ECG, SpO2, temperature, and respiration. It features a validated QRS detection algorithm, local OLED visualization, and a real-time web dashboard for remote patient monitoring.

A secondary e-ink desk display designed for AI Agents like Claude Code and Codex, utilizing the M5Paper V1.1 hardware. The project features a Python-based daemon for server-side rendering and an ESP32 firmware that supports Wi-Fi, BLE, and USB communication.

A high-performance network microphone firmware for Seeed Studio XIAO ESP32 boards that streams 16-bit PCM audio via RTSP. It is designed for integration with BirdNET-Go and BirdNET-Pi for automated bird sound identification and includes a Web UI, MQTT telemetry, and OTA support.

OttoClaw is an AI-powered desktop humanoid robot system built on the ESP32-S3 and FreeRTOS. It features a local lightweight agent that handles conversation, memory, and autonomous physical movements through six servos without relying on cloud servers, utilizing LVGL for its graphical interface and SPIFFS for local data persistence.

A minimal bare-metal SDK for Espressif RISC-V microcontrollers, specifically the ESP32-C6 and ESP32-P4, designed to operate independently of the ESP-IDF framework. It provides low-level hardware access through direct register-level programming, custom startup code, and linker scripts while integrating the lwIP and NimBLE stacks for networking and Bluetooth functionality.

A robust ESP-IDF project for the AI-Thinker ESP32-CAM module featuring real-time MJPEG streaming and automated microSD storage. It provides a web interface and REST API for remote monitoring and control using the FreeRTOS-based ESP-IDF framework.

An ultra-low latency screen mirroring tool for the M5Stack Cardputer that utilizes USB HID injection to deploy a Python-based UDP streaming engine. It features adaptive bitrate management, flicker-free display rendering, and robust WiFi handling on the ESP32 platform.

An energy-efficient network discovery tool for the ESP32 that utilizes ARP (Address Resolution Protocol) to identify devices on a LAN. Built using ESP-IDF and lwIP, it provides a real-time web interface to monitor device connectivity, bypassing the limitations of traditional ICMP ping scans.

TankSync is a solar-powered, local-first smart water monitoring system built on ESP32 and ESP32-C3 hardware using the ESP-IDF framework. It utilizes long-range LoRa communication to bridge rooftop sensors with an indoor hub, offering Home Assistant integration and offline reliability via FreeRTOS-based firmware.

An ESP8266-based signal generator that synchronizes radio-controlled clocks by mimicking the German DCF77 longwave time station. It fetches precise time via NTP over Wi-Fi and uses PWM harmonics to broadcast a localized 77.5 kHz signal.

A comprehensive IoT development framework for Realtek Ameba series SoCs, providing a robust environment for building connected applications. It primarily leverages the FreeRTOS kernel and integrates essential networking stacks like lwIP, Wi-Fi, and Bluetooth. The SDK supports a wide range of Realtek chips, including the RTL8730E and RTL8721Dx, with tools for both CLI and VS Code-based development.

This project provides pre-compiled Tasmota firmware binaries specifically optimized for smart meter reading via SML and advanced scripting on ESP32 and ESP8266 platforms. It features a dual-track approach offering both the classic Tasmota Scripter and the high-performance TinyC VM, utilizing FreeRTOS for background processing and LittleFS for filesystem management. The firmware supports energy monitoring, Google Charts visualization, and emulation of smart battery interfaces like Shelly Pro 3EM.

An ESP8266-based IoT solution for remote management of the Logitech Z906 5.1 surround sound system. It provides a web interface and MQTT integration for volume control, input switching, and status monitoring via the system's DE-15 console port.