lwIP Projects

A custom ESP8266 firmware for Geek Magic smart clock clones featuring NTP synchronization, Pomodoro timers, and a web-based configuration dashboard. It utilizes the TFT_eSPI library for display management and LittleFS for asset storage. The project also includes a Linux-based companion server for forwarding system notifications to the device display.

A Wi-Fi-enabled pixel art player built on the ESP32-P4 platform featuring multi-buffer rendering for gapless playback of animated WebP, GIF, and PNG files. It integrates with the Makapix Club social network via secure MQTTS and provides a local web interface for device management.

An end-to-end conversational AI assistant using an ESP32 for real-time audio capture and playback. It leverages a Python backend for Speech-to-Text (Whisper), Language Modeling (Gemini), and Text-to-Speech (Piper) via WebSocket streaming. The system targets ESP32 hardware with I2S peripherals for high-quality voice interaction.

An ESP32-C6 firmware designed to stream high-quality mono PCM audio from an I²S microphone over RTSP for bird sound identification. It features a comprehensive Web UI, JSON API for integration, and real-time audio processing including a configurable high-pass filter. The project is optimized for the Seeed XIAO ESP32-C6 and the ICS-43434 digital microphone.

A modular AIoT firmware for the Pixlpal desktop companion based on the ESP32-S3 SoC. It utilizes the ESP-IDF framework and FreeRTOS to power an interactive 128x64 RGB LED matrix display with features like Wi-Fi connectivity, BLE control, and audio processing.

An advanced internet radio player based on the ESP32-A1S Audio Kit, utilizing the ESP-ADF framework and FreeRTOS. It features a local web server for remote control, support for multiple audio formats, 10-band equalization, and SD card recording capabilities.

A custom firmware launcher for the Tab5 device based on M5Launcher, utilizing the LVGL graphics library for its user interface. It allows users to load and flash binary firmwares from a FAT32-formatted SD card onto the ESP32-P4 based hardware.

A DIY Zigbee-enabled gas meter built on the ESP32-C6 using the ESP-IDF framework. It tracks real-time gas consumption and flow rates, integrating with Zigbee2MQTT and Home Assistant for energy management. The device features battery optimization, non-volatile storage for data persistence, and OTA firmware updates.

A demonstration project showcasing Embedded Swift on the ESP32-C6 microcontroller. It features a rotating 3D cube animation on an OLED display using the U8g2 library and I2C communication within the ESP-IDF framework.

A comprehensive DIY project for building ESP32-based environmental sensors and cameras integrated with Home Assistant via the ESPHome framework. It covers hardware selection, 3D casing design, wiring, and non-linear calibration to ensure accurate readings despite internal heat generation.

A multi-interface network gateway firmware for the ESP32 series that implements the Reticulum Network Stack (Reticulum). It enables transparent packet routing and bridging across WiFi, ESP-NOW, LoRa, Serial, and HAM radio interfaces, providing a resilient and cryptographically secured communication mesh.

An embedded project that repurposes the ESP32's internal Audio PLL and I2S Master Clock to create a functional FM radio transmitter. By dynamically adjusting the APLL frequency via a high-resolution timer, it achieves real-time frequency modulation of an 8kHz audio signal. The project demonstrates advanced peripheral manipulation for RF generation without external transmitter chips.

StickiNote is a digital sticky note application optimized for the ESP32-P4 high-performance microcontroller. It utilizes the MIPI DSI interface for 10-inch displays and the LVGL v9 library to provide a smooth, e-paper-styled user interface with persistent storage.

An end-to-end platform for deploying state-of-the-art AI voice agents on ESP32-S3 hardware. It utilizes a Deno-based edge server to bridge microcontrollers with APIs from OpenAI, Gemini, and Eleven Labs, featuring Opus audio compression and Secure WebSockets for low-latency speech-to-speech interaction.

An open-source firmware for ESP32-S3 microcontrollers that replicates and extends the functionality of the Bus Pirate hardware tool. It provides an interactive CLI for sniffing, sending, and scripting various digital and radio protocols like I2C, SPI, UART, CAN, and Sub-GHz.

A comprehensive RTSP server library for the ESP32 platform that enables streaming of video, audio, and subtitles. It supports multiple transport protocols including UDP, TCP, Multicast, and HTTP tunneling, with specific optimizations for ESP32 camera sensors and I2S audio interfaces.

An ESP-IDF based SDK for integrating ESP32-S3 and ESP32-P4 devices with the LiveKit real-time communication platform. It provides bidirectional audio with Opus encoding, H.264 video publishing, and support for AI agents and remote method calls.

A specialized build system for the ClickOS platform that compiles essential libraries including Newlib and Lwip. It targets Xen-based environments and integrates with MiniOS sources to provide a development environment for high-performance virtualized middleboxes.

A distributed embedded system project developed for the UBA Master in Embedded Systems, featuring ESP32 firmware built with ESP-IDF. It implements MQTT-based communication for remote data logging and includes Octave scripts for measurement analysis.

A demonstration project for using the FAT File System (FatFS) on ESP32 microcontrollers. It utilizes the ESP-IDF framework and FreeRTOS to perform file read and write operations, featuring a custom partition table for flash storage management.

A comprehensive networking services plugin for grblHAL that provides protocol support on top of the lwIP TCP/IP stack. It enables Telnet, Websocket, FTP, HTTP, WebDAV, mDNS, MQTT, and Modbus across a variety of 32-bit microcontrollers including STM32, RP2040, and ESP32. The plugin facilitates remote machine control and file management for embedded CNC systems.

A Board Support Package (BSP) for the STM32L475 Pandora development board running RT-Thread. It enables seamless integration with the IoTSharp platform for telemetry and attribute data collection while providing comprehensive driver support for onboard peripherals.

A reference project demonstrating the integration of the lwIP TCP/IP stack with FreeRTOS on STM32F767 microcontrollers. It provides two implementation versions for lwIP 2.0.3 and 2.1.2, featuring DHCP client functionality and ICMP support for the Nucleo-144 development board.

A comprehensive collection of Lua modules and a build environment for NodeMCU firmware, targeting ESP8266 and ESP32 microcontrollers. It includes features for WiFi management, Home Assistant integration, and various sensor/controller implementations using SPIFFS and LFS.

An open-source Lua-based firmware for ESP8266 and ESP32 WiFi SoCs. It features an asynchronous, event-driven programming model and includes over 70 built-in modules for hardware interaction, networking, and file system management.

A smart home light sample application implementing the Open Connectivity Foundation (OCF) standard using the IoTivity framework. It targets the ARTIK 053 Starter Board running TizenRT and supports virtual light resources on Linux environments.

An open-source TOTP authenticator application built for the ESP32-based Open-Authenticator hardware. It utilizes the ESP-IDF framework, LVGL for the user interface, and supports WiFi-based configuration and secure token storage.

An integration of the OpenThread networking protocol, LwIP TCP/IP stack, and FreeRTOS real-time operating system. It provides a framework for building Thread-enabled IoT applications with support for MQTT, HTTP, and TCP on platforms like the Nordic nRF52840 and Linux simulation.

A scalable real-time operating system for IoT based on a custom microkernel. It supports multiple architectures including ARM Cortex-M/A, x86, and RISC-V, providing a POSIX-compliant environment and advanced partitioning for aerospace and industrial applications.

A demonstration project for the Raspberry Pi Pico W that provides a C++ connection manager class for Wi-Fi connectivity. It features a command-line interface for scanning and connecting to access points, a LittleFS-based configuration storage system, and an LwIP webserver for remote hardware control.

A lightweight Open Sound Control (OSC) communication library for the Raspberry Pi Pico. It utilizes the lwIP networking stack from the Pico C++ SDK to provide OSC client functionality for sending messages over UDP.

PikaPython is an ultra-lightweight Python interpreter optimized for microcontrollers with minimal resources, requiring only 4KB of RAM and 64KB of Flash. It provides a zero-dependency C engine with a powerful pre-compiler for seamless C-module integration, supporting a wide range of hardware including STM32, ESP32, and RISC-V platforms.

A specialized package for RT-Thread that implements lwIP PPP functionality for various cellular modules including 2G, 3G, and 4G modems. It enables network data transmission via PPP, bypassing the need for manual AT command handling and providing seamless integration with the SAL abstraction layer.

A modular DMX-512-A toolbox and USB interface built on the Raspberry Pi RP2040 microcontroller. It supports up to 16 DMX universes via USB-CDC NCM networking, ArtNet, and E1.31/sACN, featuring a modular hardware design and an integrated web-based configuration portal.

A C-based implementation of the LwIP networking stack for Raspberry Pi Pico and WIZnet Ethernet controllers. It enables high-performance networking on RP2040 microcontrollers using W5100S and W5500 chips via the Pico SDK.

A real-time hypervisor designed for automotive embedded systems, built upon the RT-Thread RTOS. It supports ARMv8-A architectures such as the Cortex-A53 and provides virtualization capabilities for running Guest OS instances.