FreeRTOS Projects

This project provides a CAN bus interface for BMW F44 iDrive controllers using an ESP32-C3 microcontroller. It interprets automotive CAN messages to detect knob rotation, button presses, and joystick movements, while also providing controls for illumination and brightness via the native TWAI peripheral.

mkdbg is a diagnostic and debugging CLI tool for embedded firmware that provides crash analysis and GDB bridging over UART without the need for a debug probe. It supports Cortex-M and RISC-V architectures and integrates with RTOS environments like FreeRTOS for backtrace generation and register decoding.

FOC_Pocket is a compact, coin-sized brushless motor controller based on the ESP32-S3 and the SimpleFOC library. It utilizes highly integrated MPS chips, including the MP6541A driver and MA600A magnetic encoder, to provide precise position, speed, and torque control for small gimbal motors.

A comprehensive Bluetooth Low Energy (BLE) HID keyboard library for the ESP32, built on the NimBLE-Arduino stack for high efficiency. It supports standard keyboard layouts, media keys, and advanced power management features including light and deep sleep. The library is designed for creating physical or emulated HID devices compatible with iOS, Android, macOS, Windows, and Linux.

A system information and logging utility for ESP32 and ESP8266 that provides a Neofetch-style ASCII dashboard. It features a Python-inspired logger with thread-safe operations on FreeRTOS and supports detailed hardware diagnostics including memory, network, and chip status.

A custom-built portable MP3 player based on the ESP32 that features Bluetooth A2DP audio streaming and a dedicated OLED user interface. It utilizes a modular C++ architecture and a custom-designed PCB to manage media playback from a MicroSD card.

A tile-based firmware for ESP32-P4 devices that creates a touch-first Home Assistant dashboard. It utilizes FreeRTOS and LVGL for the user interface, supporting MQTT integration and web-based configuration. The system targets ESP32-P4 hardware like the Waveshare B4 and M5Stack Tab5, featuring OTA updates and internal storage management via LittleFS.

An open-source AWD controller for Volkswagen and Audi Group vehicles using Haldex Generation 1, 2, 4, and 5 differentials. Built on the ESP32-C6, it utilizes dual CAN interfaces to intercept and modify vehicle signals, enabling custom torque distribution, standalone operation, and wireless tuning via a web interface.

An open-source firmware replacement for the FNIRSI 2C53T 3-in-1 handheld instrument. Built on FreeRTOS and targeting the Artery AT32F403A MCU, it provides a complete rewrite of the oscilloscope, multimeter, and signal generator functions.

ToothPaste is an ESP32-S3 based hardware receiver that converts Web-BLE signals into AES-128 encrypted USB HID keyboard and mouse commands. It provides a secure, driverless solution for entering complex passwords and executing DuckyScript macros on air-gapped or untrusted systems.

A sophisticated touch-screen control interface for the Waveshare ESP32-S3-Touch-LCD-4B, featuring Home Assistant integration and real-time weather tracking. It utilizes the LVGL graphics library for a high-performance UI and implements advanced power management via the AXP2101 PMU.

Macerun is a bare-metal Minecraft 1.16.5 server implementation written in C for the ESP32-S3 microcontroller. It leverages FreeRTOS and raw lwIP sockets to deliver a functional multiplayer experience on highly constrained hardware, featuring procedural world generation and NVS-based state persistence.

Politician is a sophisticated WiFi security auditing library for ESP32 microcontrollers, designed for modern 802.11 protocol research. It provides advanced capabilities for capturing WPA/WPA2/WPA3 handshakes and enterprise credentials using non-blocking state machines and stealthy injection techniques.

An animated kawaii-style face widget for LVGL 9 on ESP32, featuring 17 distinct emotions with dynamic eye, mouth, and sparkle animations. It supports smooth transitions between expressions and integrates directly into the ESP-IDF component system.

A real-time thermal imaging system that streams 80x62 resolution frames from an ESP32-S3 to a Node.js web interface via TCP and WebSockets. It features a comprehensive dashboard with temperature overlays, live charting, and multiple color map presets for visual analysis.

This project enables ESP32 microcontrollers to manage Tesla vehicle charging and monitor telemetry over Bluetooth Low Energy using the ESPHome framework. It supports key pairing, charging current adjustment, and vehicle wake management while utilizing FreeRTOS for task handling on the ESP32 platform.

This project provides an ESPHome configuration to transform M5Stack AtomS3 Lite or NanoC6 devices into Bluetooth proxies for Home Assistant. It enables centralized management and extended range for Bluetooth Low Energy devices by leveraging ESP32-based hardware as network gateways.

This project implements a USB Video Class (UVC) firmware for the Raspberry Pi RP2040, enabling video streaming from an OV2640 camera to a host computer. It utilizes the TinyUSB stack for USB connectivity and provides optional FreeRTOS support for task management, while also driving an ILI9341 LCD for local preview using PIO-based drivers.

An ESP32-C6 based environmental monitor that tracks CO2, VOCs, temperature, and more using the Zigbee protocol. Built on the ESP-IDF framework with FreeRTOS, it features seamless integration with Zigbee2MQTT and supports OTA updates.

Colibri is an open-source DIY hardware wallet firmware targeting ESP32 microcontrollers. It provides a secure, encrypted keystore and a BLE-based JSON-RPC interface for signing Ethereum transactions and managing mnemonics using affordable, off-the-shelf hardware.

An ESP32-based high-performance CD player firmware and hardware project that interfaces with IDE-based CD-ROM drives. It features a sophisticated audio path using the PCM5102 DAC and Wolfson WM8805, running on FreeRTOS with extensive use of PSRAM for audio buffering.

A Wi-Fi provisioning and OTA update component for ESP32 using a captive portal. It automatically handles credential management via NVS and provides a web interface for network scanning and firmware uploads when no connection is available.

An ESP32-S3 based touchscreen macropad designed for Helldivers 2, providing live stratagem configuration and loadout management. It utilizes FreeRTOS, LVGL, and the TinyUSB stack to function as a versatile HID keyboard interface for PC and PlayStation.

A dedicated e-Ink remote control for Home Assistant built for ESP32-S3 devices like the M5Paper and Lilygo T5. It utilizes the Home Assistant WebSocket API for real-time state updates and control without requiring additional server-side plugins.

An ESP32-powered interactive robot that combines the classic 'useless box' concept with mobility and facial expressions. It leverages FreeRTOS to coordinate dual-core operations for LED matrix animations, servo-controlled mechanical arms, and stepper-driven movement.

okhi is an open-source hardware implant designed to sniff and log keystrokes from USB and PS2 keyboards. It utilizes an RP2040 microcontroller for data parsing and an ESP32-C2 (ESP8684) for real-time WiFi transmission to a web interface. The project features advanced hardware design choices like TCXO oscillators and custom PIO programs to handle non-standard keyboard signals.

This project enables the decoding and rendering of animated GIF files stored in flash memory onto a 320x240 SPI LCD screen using an ESP32-S3. It utilizes the AnimatedGIF and bb_spi_lcd libraries to manage hardware abstraction and frame buffer allocation.

An ESP32-based project designed to fetch and display real-time electricity prices from the Tibber API on a Lilygo T5 4.7-inch E-Ink display. It utilizes the Arduino framework and focuses on providing an accessible, low-cost hardware solution for energy price monitoring.

A Board Support Package for Wireless Tag WT32-SC01 series boards utilizing ESP-IDF 5.x and LVGL 9.x. It provides integrated drivers for ST7796 LCDs and FT5x06 touch controllers, alongside support for SPIFFS and uSD card storage on ESP32 and ESP32-S3 platforms.

A real-time firmware for ESP32-S3 based HUB75 LED matrix displays, specifically designed for Protogen masks. It features sensor-driven interactions using proximity, accelerometer, and microphone inputs, alongside Bluetooth LE control and OTA updates via the NimBLE stack.

OpenSpool is an open-source filament management system that uses NFC tags to automatically sync spool settings with 3D printers. Built on the ESPHome framework for ESP32 microcontrollers, it integrates with printers via MQTT to automate filament identification and configuration.

Esp32Repartition is a specialized tool designed to update ESP32 partition tables via Over-the-Air (OTA) updates, primarily to solve storage constraints for WLED firmware. Built on the ESP-IDF and Arduino frameworks, it enables resizing of app partitions by shrinking data sections without requiring a physical USB connection.

A comprehensive collection of example projects and hardware tests for the Super Mini ESP32-C3 development board. It covers a wide range of functionality including GPIO, ADC, deep sleep, serial communication, and wireless connectivity using the Arduino framework and PlatformIO.

A library for ESP32 Arduino that implements the Nordic UART Service (NUS) to provide a HardwareSerial-compatible BLE interface. It supports both the standard ESP32 BLE stack and the memory-efficient NimBLE-Arduino library, while offering optional integration with the Embedded Template Library (ETL) for deterministic memory management.

Focus Dial is an ESP32-based productivity tool designed to manage focus sessions through physical hardware interaction. It integrates with Home Assistant to trigger environmental changes like lighting scenes and network-level distraction blocking while managing phone notifications via Bluetooth.

An open-source monitoring and control solution for Victron Multiplus II systems using the LilyGo T-Display S3 AMOLED. Built on the ESP32 platform, it provides real-time data on solar power, grid status, and battery health while allowing users to toggle charger and inverter functions.