FreeRTOS Projects

A DIY portable walkie-talkie based on the ESP32-S3 that leverages embedded neural networks for hands-free communication. It features automatic voice detection and keyword recognition using the ESP-SR framework, alongside a visual interface for animations and text-based conversation display.

A multi-system game emulator firmware for the M5Stack Cardputer based on the ESP32-S3. It supports ten classic consoles including NES, Game Boy, and Mega Drive, featuring optimized memory management to run within 256 KB of RAM and integrated support for the Cardputer's keyboard and SD card storage.

A comprehensive configuration guide and project template for developing STM32 applications using JetBrains CLion. It leverages the STM32CubeCLT toolchain and STM32CubeMX for code generation, providing a modern cross-platform alternative to traditional IDEs like Keil with full support for FreeRTOS debugging.

Rust-based firmware for the EchoKit ESP32-S3 voice interaction device. It utilizes the ESP-IDF framework to provide voice processing, display management, and network connectivity for AI-driven hardware applications.

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.

A versatile Sub-GHz radio frequency tool for the ESP32 platform using the CC1101 transceiver. It enables reading, replaying, and storing signals across 315, 433, 868, and 915 MHz frequencies, supporting protocols like Princeton, KeeLoq, and StarLine.

An experimental signal jamming device built with an ESP32 microcontroller and dual NRF24L01 radio transmitters. It targets the 2.4GHz ISM band to interfere with Bluetooth and WiFi signals for educational research. The project is implemented using the Arduino framework and the RF24 library.

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 ESP32-based wireless e-ink display designed to track and showcase GitHub contribution streaks. Utilizing the Lilygo T5 development board, the project features ultra-low power consumption for months of battery life and a captive portal for easy WiFi configuration.

A comprehensive security-focused firmware for ESP32, ESP8266, and RTL8720DN platforms designed for wireless auditing and hardware hacking. It provides a robust toolkit for Sub-GHz, Wi-Fi, BLE, RFID/NFC, and Infrared signal manipulation across various devices like M5StickC and Cardputer.

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.

An ESP32-based signal intelligence platform for RF analysis, signal generation, and manipulation. It utilizes multiple NRF24 and CC1101 radio modules to provide versatile frequency coverage and is compatible with HackRF One for extended range up to 6 GHz.

An ESP32-based mechanical clock that uses servos to actuate a physical 7-segment display. It features NTP time synchronization, a web-based management portal, voice command support via an ASRPRO module, and I2S audio integration.

A comprehensive solution for connecting Seeed Studio XIAO development boards to Home Assistant using WiFi or Bluetooth Low Energy. It supports real-time bidirectional communication via WebSockets on ESP32 devices and ultra-low power sensor reporting via the BTHome v2 protocol on both ESP32 and nRF52840 platforms.

A major update to the STM32Cube ecosystem, providing the next-generation HAL2 drivers for the STM32U5 series. It features enhanced API usability, performance optimizations, and improved integration with RTOS environments like FreeRTOS and middleware such as FileX.

Wally is a bilingual voice-powered AI companion built on the ESP32 platform using the ESP-IDF framework. It features offline voice wake-up, real-time LLM-driven conversations via the XiaoZhi platform, and visual feedback through an LVGL-powered OLED display.

An open-source, 3D-printed robotic platform modeled after NASA's Perseverance rover. It features a distributed control system using Arduino Mega for low-level hardware management, an ESP32-S3-powered touchscreen remote utilizing the LVGL library, and a Raspberry Pi Zero 2W for web-based telemetry and video streaming.

This project transforms standard USB keyboards into wireless Bluetooth Low Energy (BLE) devices using the ESP32-S3's native USB-OTG hardware. It features multi-device switching for up to three paired hosts and utilizes the NimBLE stack for low-latency HID report forwarding.

A high-performance ESP-IDF driver for FLIR Lepton 3.5 thermal imaging cameras. It provides full support for VoSPI frame capture and CCI camera control, optimized for ESP32 and ESP32-S3 microcontrollers.

CatPilot is a drone autopilot software stack designed for scalable and distributed embedded systems. It utilizes domain-specific notations for behavior specification and a minimalistic C codebase for real-time execution on platforms like STM32 and Zynq.

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 real-time PID control system for DC motors featuring a graphical user interface built with LVGL. It runs on the STM32F746G-Discovery board using FreeRTOS for task management and CMSIS DSP for control logic.

A comprehensive embedded software stack and template for STM32 microcontrollers, focusing on enterprise-level development practices. It features a layered architecture supporting both bare-metal and RTOS-based applications using FreeRTOS or ThreadX. The project integrates modern build systems like CMake and Meson with advanced tooling for unit testing and mocking.

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 tutorial-based project for building a real-time remote control interface on the ESP32. It utilizes WebSockets for bidirectional communication, JSON for data serialization, and SPIFFS for hosting web assets, all built within the Arduino framework using PlatformIO.

The On-Board Data Handling (OBDH) module for the FloripaSat Cubesat project, responsible for managing satellite information and mission data. It runs on the TI MSP430F6659 microcontroller using FreeRTOS and integrates motion tracking and radio communication peripherals.

A boilerplate project for the LILYGO T-Display-S3 using the Arduino framework and LVGL graphics library. It features hardware initialization, DMA-backed twin framebuffers, PSRAM integration, and internal flash storage mapping for the ESP32-S3.

A comprehensive open-source firmware for the LilyGo TWatch 2020 series based on the ESP32 and Arduino framework. It features a custom UI engine, Lua scripting, BLE/WiFi connectivity, and integration with Gadgetbridge for smartphone notifications.

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 racing steering wheel and dashboard system based on the STM32F407 and FreeRTOS. It supports real-time CAN bus data acquisition for Formula Student race cars and integrates with PC simulators via USB HID and Simhub.

An ESP32-based marine data gateway that captures NMEA0183 messages over UDP and serves them through a real-time web interface. It features environmental monitoring using M5Stack sensors, historical data logging to SPIFFS, and integrated Over-The-Air (OTA) update capabilities.

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.

A comprehensive software development kit for Nuclei Evaluation SoCs based on the RISC-V architecture. It provides a unified framework including the NMSIS hardware abstraction layer, peripheral drivers, and pre-integrated support for multiple RTOS kernels including FreeRTOS, RT-Thread, uC/OS-II, and ThreadX.

An offline-first energy monitoring system built with Rust for ESP32 microcontrollers. It utilizes LittleFS for power-loss resilient local storage and integrates with a custom Flutter mobile app and the Thingsboard IoT platform for data synchronization and visualization.

An ESP32-based open-source universal remote firmware utilizing the Arduino framework and LVGL for its graphical user interface. It supports device control via Infrared, Bluetooth Low Energy keyboard emulation, and MQTT for smart home integration, featuring a cross-platform simulator for desktop-based UI development.