201 projects using lwIP
lwIP (lightweight IP) is a widely-used, open-source TCP/IP stack designed specifically for resource-constrained embedded systems. It minimizes RAM usage while providing a full-scale TCP implementation, making it suitable for devices with only tens of kilobytes of free memory.
A full-stack open-source solution for smart aquarium LED control featuring ESP32-based hardware, ESP-IDF firmware, and a Flutter mobile application. It provides high-resolution PWM dimming, sunrise/sunset simulation, and efficient CoAP/CBOR communication for professional-grade lighting management.
A custom firmware for the LilyGo T-Deck handheld device, featuring a graphical IRC client built with LVGL. It supports WiFi connectivity, audio playback, and various command-and-control features on the ESP32-S3 platform.
A Modbus TCP implementation for STM32F407 microcontrollers utilizing FreeRTOS and the lwIP stack. It provides a standardized TCP interface for industrial communication, supporting common read/write commands and robust error handling for automation equipment.
An ESP32-based NFC/RFID card tool for inspecting and modifying Mifare Classic memory blocks. It utilizes an MFRC522 reader and communicates via MQTT to a Vue-based web dashboard for real-time memory manipulation and access condition configuration.
A comprehensive guide and driver implementation for connecting the LAN8720 Ethernet PHY to an ESP32 using the ESP-IDF framework. It focuses on using the internal ESP32 PLL to generate the 50MHz reference clock, effectively avoiding common hardware conflicts with GPIO0 during the boot process.
A specialized security auditing and wireless monitoring firmware for ESP32 devices. Built on the ESP-IDF framework and FreeRTOS, it provides tools for BLE wardriving, WiFi deauthentication testing, and device detection for hardware like AirTags and Flipper Zero.
An Arduino core implementation for Silicon Labs microcontrollers, enabling support for Matter, BLE, and low-power wireless applications. It provides a comprehensive set of libraries and drivers for EFR32 and MGM24 series hardware, integrating Silicon Labs' Gecko SDK and FreeRTOS for advanced protocol stacks.
An ESP32-based hardware performance monitor that visualizes computer system metrics through physical analog gauges and RGB lighting. The project leverages the Arduino framework and WebSockets to receive real-time data from a desktop companion app, providing a tactile and vintage-inspired dashboard for modern PC monitoring. It includes complete hardware design files, including PCB schematics and CAD drawings for the enclosure.
A comprehensive embedded software platform for the STM32H7RS series microcontrollers. It integrates CMSIS, HAL-LL drivers, and a wide range of middleware including FreeRTOS, LwIP, and FatFS, supporting high-performance applications on STM32H7RS evaluation and Nucleo boards.
A multi-mode firmware for ESP32 microcontrollers designed to interface with Balboa Spa controllers via RS485. It provides WiFi connectivity, historical data tracking for temperature and heater usage, and supports multiple interfaces including Web, MQTT, and ePaper displays.
A versatile controller protocol converter for RP2040 and RP2350 microcontrollers that bridges USB, Bluetooth, and retro gaming peripherals. It supports a wide array of input and output modes including Xinput, Nintendo Switch, and legacy console signals for PlayStation and Gamecube.
A demonstration project for implementing secure Firmware Over-The-Air (FOTA) updates on the Raspberry Pi Pico W. It utilizes FreeRTOS and the lwIP stack to download encrypted firmware images from a TCP server and apply them using the pico_fota_bootloader.
A specialized port of the XPowersLib library to the ESP-IDF framework for managing the AXP2101 Power Management IC. It provides a comprehensive API for controlling power rails, monitoring status, and configuring voltage outputs on ESP32-based hardware.
A specialized port of the ESP32-Marauder firmware tailored for the Cheap Yellow Display (CYD) hardware family. It provides a comprehensive suite of WiFi and Bluetooth testing tools, including wardriving, packet capture, and signal analysis, optimized for various ESP32 and ESP32-S3 touch screen modules.
A power-efficient environmental sensor project built on the XIAO ESP32C6 using the ESP-IDF framework. It supports Wi-Fi and ZigBee connectivity, MQTT messaging, and integrates Bosch BME280/BME680 and Sensirion SGP41 sensors for comprehensive air quality monitoring.
An ESP32-S3 powered intercom gateway that bridges TCS and Koch intercom systems with home automation platforms. It features TC:BUS communication, integrated solid-state relay control, and full ESPHome support for seamless integration into Home Assistant and HomeKit.
The official software development kit for Realtek Ameba Pro2 series SoCs, featuring a FreeRTOS-based environment for IoT, video streaming, and AI-enabled applications. It provides comprehensive support for WLAN, Bluetooth, and specialized hardware scenarios like smart glasses.
A specialized Wi-Fi security testing and phishing tool designed for the ESP32 microcontroller series. It enables Evil Twin attacks, Karma attacks, and handshake captures through a web-based administrative interface, targeting various ESP32 variants including the S3, C3, and C6.
An optimized ESPHome configuration for the Marstek Venus E battery system using LilyGO T-CAN485 hardware. It enables high-speed Modbus RS485 monitoring and control with significant performance improvements over standard implementations. The project provides real-time metrics, energy tracking, and advanced power management through Home Assistant integration.
An open-source family of ESP32-based remote-controlled rovers featuring 3D-printable mechanical designs and a rocker-bogie suspension system. The project supports multiple control methods including WiFi via a custom HTTP API and ExpressLRS (ELRS) for long-range operation. It includes two variants: the standard Pathfinder for high-torque applications and the Pathfinder Mini for compact, camera-enabled exploration.
A high-resolution, wireless laser Digital-to-Analog Converter (DAC) powered by the ESP32-S3. It features 16-bit 8-channel output, SD card playback, and support for ILDA Digital Network (IDN) and custom UDP streaming protocols.
An ESP32-S3 powered smart clock project featuring a round touch display, Text-to-Speech capabilities, and integrated battery monitoring. Built using the ESP-IDF framework and LVGL graphics library, it serves as a comprehensive hardware abstraction layer and demo for the WaveShare 1.85-inch Touch LCD development board.
A multi-protocol Zigbee gateway and energy management hub built on the ESP32-S3 platform. It integrates Zigbee devices, Linky smart meters, and energy sensors into home automation systems via MQTT and a local web interface.
A comprehensive multi-application launcher and management system for the M5 CardPuter. Built on ESP-IDF and FreeRTOS, it enables users to install and run multiple applications from cloud repositories, SD cards, and USB storage.
A firmware implementation for ESP32 that enables remote ARM microcontroller debugging and flashing via the CMSIS-DAP protocol over TCP/IP. It supports both JTAG and SWD interfaces, allowing OpenOCD to connect to target hardware over WiFi. The project includes a UART-to-TCP bridge for remote serial console access.
A production-ready Tailscale protocol implementation for ESP32 microcontrollers using the ESP-IDF framework. It enables secure VPN connectivity via WireGuard encryption, supporting NAT traversal through DERP and STUN.
A portable SSH terminal client for the ESP32-S3 T-Deck Plus handheld device. It provides a full SSH2 terminal with PTY support, hardware keyboard integration, and a graphical interface built on FreeRTOS and LVGL. The project targets secure remote server management on compact, battery-powered hardware.
A Model Context Protocol (MCP) server implementation for the ESP32-CAM that enables remote camera control and system monitoring through a standardized JSON-RPC 2.0 API. It supports image capture optimized for AI assistants, LED/flash management, and comprehensive hardware diagnostics.
A collection of example applications for the ESP-MESH-LITE networking framework on ESP32. It demonstrates various protocol implementations including MQTT, HTTP, WebSocket, and FTP within a mesh topology. The project highlights the unique architecture of ESP-MESH-LITE where each node enables the LWIP stack for direct network interface invocation.
A memory-optimized C library for ESP32 microcontrollers to interface with the OpenRouter AI API. It supports chat completions, real-time token streaming, AI function calling, and multimodal processing within the ESP-IDF framework.
A project that ports the R2P2 (Ruby Rapid Portable Platform) to the ESP32 series of microcontrollers using the ESP-IDF framework. It enables running PicoRuby on embedded hardware with support for automatic script execution and integrated file storage.
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.