FreeRTOS Projects

An ESP32-based animatronics client that renders expressive eye animations on an SSD1306 OLED and plays robot sounds via a buzzer. It functions as a networked peripheral that receives AI-generated animation and audio data from a remote server over WiFi.

A single-pilot FPV laptimer based on the ESP32 microcontroller and the RX5808 video receiver. It features a web-based interface for race management, real-time RSSI calibration, and integrated battery monitoring using the Arduino framework.

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.

An ESPHome component designed to interface with Cosori smart kettles using Bluetooth Low Energy on ESP32 microcontrollers. It provides comprehensive control over heating states and temperature setpoints while exposing sensors for real-time water temperature and base status to Home Assistant.

A lightweight, open-source firmware for the Xteink X4 e-paper reader powered by the ESP32-C3. It supports EPUB, Markdown, and plain text formats with advanced typography features like the Knuth-Plass line-breaking algorithm and CJK/Thai text rendering.

An open-source precision cooking platform built on the ESP32-S3 microcontroller. It utilizes PID control loops and dual NTC temperature sensors to manage a 1500W heating element, providing professional-grade temperature accuracy for home kitchen automation. The system features a tactile interface with a color LCD and physical controls, designed for reliability and user modification.

A real-time environment for deploying X-CUBE-AI models on STM32N6 microcontrollers, supporting Audio Event Detection and Speech Enhancement. It provides a complete pipeline from sensor acquisition to NPU-accelerated inference with support for both FreeRTOS and bare-metal configurations.

LeCyborg is an AI-powered third-arm prosthesis that uses EMG sensors and imitation learning to assist users. Built on the LeRobot framework, it features an ESP32-based wearable sensor system and a SO100 robotic arm controlled by an Action Chunking with Transformers (ACT) policy.

Mote is an open-source ESP32-S3 voice companion device designed to bring personal AI into the physical world. It features real-time speech-to-text via Deepgram, natural voice synthesis through ElevenLabs, and an animated face display. The project includes a complete firmware stack, a gateway server, and a mobile application for configuration.

A non-blocking ZModem file transfer implementation for Meshtastic LoRa mesh networks. It enables reliable node-to-node binary file transfers on ESP32-based devices using a custom protocol engine designed for high-latency mesh environments.

A high-performance ESP32 firmware for DCS World cockpit panels using the DCS-BIOS protocol. It supports native USB HID, WiFi, and Serial transports while providing drivers for various displays, LEDs, and input devices with a focus on static memory allocation and non-blocking I/O.

An Arduino library for ESP32 microcontrollers that provides a unified interface to interact with major AI providers like OpenAI, Google Gemini, Anthropic Claude, and DeepSeek. It supports advanced features such as tool calling, real-time streaming responses, and connection resilience through auto-retry logic.

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 Zigbee-based firmware for the ESP32-C6 microcontroller designed to replace the driver in Philips Hue White Ambiance ceiling lights. Built using the ESP-IDF framework, it provides a custom implementation for smart lighting control and integration.

A digital synthesizer project built using the ESP32 microcontroller and an external I2S PCM5102A DAC. It utilizes the Maximilian audio engine and arduino-audio-tools for real-time sound synthesis and signal processing. The repository provides source code and hardware configuration details for building a functional audio device.

A hardware-based authentication system for ESP32 microcontrollers using SRAM Physical Unclonable Functions (PUF). It leverages unique manufacturing variations in RTC SLOW memory to generate authentication tokens without storing credentials on-device. The project includes ESP32 firmware, a measurement server, and analysis tools for identifying stable bits.

An ESP32-S3 based information display utilizing a 7.5-inch 4-color e-ink screen. It integrates with Home Assistant via ESPHome to provide a visual dashboard for weather forecasts and calendar events with automated hourly updates.

An integrated development kit for deploying Large Language Model (LLM) capabilities like voice agents and text chat on client-side and embedded platforms. It supports device management via MQTT and runs on systems including ESP32, FreeRTOS, Linux, and Windows.

An ESP32-S3 firmware for monitoring Victron SmartSolar chargers and battery monitors via Bluetooth. It decrypts BLE advertisements using AES-128 and displays real-time metrics on a 3.5-inch LCD using the LVGL library.

A high-performance MJPEG video player optimized for the ESP32-2432S028 'Cheap Yellow Display' (CYD) module. It utilizes the Arduino_GFX library and JPEGDEC for efficient frame-by-frame playback from an SD card, supporting hardware-accelerated rendering on the ILI9341 display controller.

A real-time audio frequency visualizer built on the ESP32 microcontroller using the Arduino framework and Kiss FFT library. It processes audio signals through ADC or I2S inputs to display 64 frequency bands on an SSD1322 OLED screen.

A flexible e-paper display driver for the ESP-IDF framework featuring LVGL 9 integration. It supports a wide range of panels including black/white, 4-color BWRY, and 6-color displays with advanced features like Floyd-Steinberg dithering and partial refresh. Designed for low-power IoT devices, electronic shelf labels, and photo frames on ESP32 series microcontrollers.

A hardware-accelerated graphics layer for the ESP32-P4 that integrates the Pixel-Processing Accelerator (PPA) with LovyanGFX and M5GFX. It provides high-performance image rotation, scaling, mirroring, and blending for MIPI/DSI display panels.

A game selection menu and emulator frontend for running single-screen Game & Watch ROMs on the M5Stack Tab5. It features support for touch controls, USB gamepads, and automatic screen orientation via the built-in IMU.

An ESP32-S3 based portable intelligent electronic load featuring high-precision control and a rich graphical interface. It utilizes FreeRTOS for multi-tasking and integrates PID and Model Predictive Control (MPC) algorithms with Kalman filtering for accurate current regulation. The system supports Constant Current (CC), Constant Power (CP), and Constant Resistance (CR) modes with real-time monitoring via LVGL.

A portable real-time aircraft tracker for the M5StickC Plus 2 that utilizes the adsb.lol API to display flight telemetry and route information. It features a multi-page OLED interface, emergency squawk highlighting, and a web-based setup portal for easy configuration.

An intelligent arousal management system for ESP32 that connects to Lovense devices via Bluetooth LE. It uses a pressure sensor for automated edging control and features a real-time web dashboard for monitoring and configuration.

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 modular Arduino library for the ESP32-S3 that enables USB Host MIDI and BLE MIDI server functionality. It provides a complete solution for receiving, interpreting, and displaying MIDI messages, featuring a dedicated MIDI handler for note processing and a display module optimized for the ST7789 controller.

A comprehensive treadmill computer replacement based on the ESP32-S3 and ESPHome firmware. It implements the Fitness Machine Service (FTMS) protocol to enable direct Bluetooth connectivity with fitness apps like Zwift and Kinomap while controlling treadmill hardware via UART.

A transparent Modbus TCP-to-RTU bridge component for ESPHome, targeting ESP8266 and ESP32 platforms. It facilitates communication between multiple Modbus TCP clients and serial Modbus RTU slaves using RS-485 or UART hardware, featuring full integration with Home Assistant for monitoring and control.

Lumen is an open-source desktop hardware node based on the ESP32-C3 and FreeRTOS. It functions as a programmable interaction device similar to a Stream Deck, featuring a 240x240 display, rotary encoder, and integrated sensors for system monitoring and game state feedback.

A modular, high-performance weather display system for the LilyGO T-Display S3 powered by an ESP32-S3. It provides real-time weather updates via the OpenWeatherMap API, featuring a smooth 40 FPS UI, automatic NTP time synchronization, and robust error recovery.

A firmware project for an STM32L071-based USB dongle that enables LoRa communication via AT commands. It utilizes the Semtech SX1262 transceiver and FreeRTOS to provide a plug-and-play wireless link for testing, range measurement, and sensor networks.

Firmware for an ESP32-C6 based E-Paper display device featuring BLE provisioning, AWS IoT connectivity, and OTA updates. It targets the Spectra 6 7.3-inch display and integrates motion sensing via the KXTJ3-1057 accelerometer.