FreeRTOS Projects

A real-time, on-device web dashboard library for ESP32 microcontrollers featuring WebSocket communication, 14 distinct card types, and integrated console logging. It provides a responsive UI with minimal memory overhead by storing compressed assets in PROGMEM.

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.

A comprehensive technical resource for the ESP8266 Wi-Fi microcontroller, providing detailed hardware specifications, pinout configurations, and minimal setup guides. It covers critical boot mode requirements, power management, and programming procedures for IoT development.

An RF interference application for the Flipper Zero platform that utilizes NRF24L01 modules to suppress 2.4GHz signals. It supports multiple hardware configurations, including single, dual, and quad module setups, to target Bluetooth, Wi-Fi, Zigbee, and drone communications.

A comprehensive LED display control system based on the ESP32 and HUB75E LED matrices. It features a Kotlin-based Android application for remote control via BLE, supporting real-time graffiti, GIF playback, scrolling text, and interactive timing games.

A custom ESPHome-based firmware for the Waveshare ESP32-P4-86-Panel-ETH-2RO, utilizing the LVGL graphics library for a rich touch interface. It integrates with Home Assistant to provide control over lights, climate, media players, and more, while displaying real-time sensor data and weather forecasts.

A network-attached storage (NAS) solution for ESP32 and Raspberry Pi Pico W microcontrollers. It provides a web-based interface for file management, including drag-and-drop uploads, downloads, and deletions using an SD card for storage. The project supports both Wi-Fi station and access point modes with optional authentication and logging features.

An external C module that integrates Tencent's ncnn high-performance neural network inference framework into MicroPython. It enables object-oriented AI model execution on resource-constrained microcontrollers such as ESP32 and STM32, providing a Pythonic interface for embedded AI.

An ESP32S3 port of the OpenFIRE light gun firmware, providing open-source light gun capabilities with IR tracking and force feedback. It introduces wireless connectivity using the ESP-NOW protocol and supports both ESP32S3 and RP2040 microcontrollers.

An ESP32-powered smart display for Bambu Lab A1 and A1 Mini 3D printers featuring an 8-bit pixel art aesthetic. It monitors real-time print status, temperatures, and fan speeds via Wi-Fi and MQTT, while integrating an MPU6050 gyro for motion-synced animations.

A comprehensive end-to-end IoT solution for precision agriculture featuring ESP32-based environmental monitoring and automated irrigation control. The system integrates 4G LTE connectivity, MQTT communication via HiveMQ Cloud, and a modern web dashboard for real-time data visualization and remote management.

A modular embedded intelligent control platform based on STM32F103C8T6 and ESP32-S3-CAM. It features a custom lightweight scheduler called FunOS, face recognition via ESP-WHO, and a 3-axis robotic arm for target tracking and surveillance.

An advanced WiFi security auditing and penetration testing tool that combines a Python-based Linux CLI with custom firmware for ESP32 and ESP8266 microcontrollers. It supports deauthentication attacks, handshake/PMKID capturing, and Evil Twin attacks through a hybrid hardware-software architecture.

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 high-performance Bitcoin solo miner firmware for ESP32, ESP32-S3, and ESP32-C3 microcontrollers. It utilizes hardware-accelerated SHA-256 and pipelined assembly optimizations to deliver hashrates up to 1+ MH/s while supporting various TFT and OLED displays.

A firmware solution for Bluetooth Low Energy (BLE) electronic display tags supporting NRF52840 and ESP32 microcontrollers. It provides a framework for managing e-paper displays, configuring tag settings, and uploading images over BLE. The project is built using the Arduino framework and PlatformIO.

An open-source DIY remote car key and keyless entry system utilizing an ESP32 microcontroller and a Flutter-based mobile app. It features proximity-based locking/unlocking, HMAC authentication, and rolling codes to provide a secure, customizable alternative to traditional vehicle keyfobs.

OpenHRStrap is an open-source DIY chest-strap heart-rate tracker built around the ESP32 microcontroller. It utilizes the AD8232 ECG module to capture biosignals and implements the Pan–Tompkins algorithm for real-time R-peak detection. The device functions as a standard BLE heart rate sensor, allowing for seamless integration with fitness applications like Strava.

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.

An ESP32-based SCARA drawing robot that utilizes three servo motors for articulated movement. It features a modern web-based control interface built with Preact and uses the Arduino framework for firmware management and asynchronous web serving.

An ESP32-C3 based smart thermos that measures liquid temperature using an NTC thermistor and displays it on a 1.28-inch round capacitive touch screen. The project utilizes the LVGL library for its user interface and NimBLE for Bluetooth connectivity.

A stealthy HID injection tool built on the ESP32 platform that emulates a Bluetooth keyboard to wirelessly inject keystrokes into paired devices. It supports Ducky Script-style payloads and features a comprehensive serial command interface for remote execution on Windows, macOS, Linux, and Android.

An ESP32-based firmware designed to disrupt 2.4 GHz wireless signals using nRF24L01 PA/LNA modules. It features multiple operational modes for interfering with Bluetooth, BLE, Wi-Fi, and RC drone communications for educational research.

A comprehensive collection of peripheral, scheduling, storage, and utility components for the ESP32-S3 using the ESP-IDF framework. It provides standardized APIs for a wide range of I2C, SPI, UART, and ADC sensors, alongside advanced utilities like Kalman filters and data logging.

An ESPHome-based integration for monitoring and controlling Deye photovoltaic inverters via Modbus RTU. It targets ESP32 microcontrollers using the ESP-IDF framework to provide real-time data visualization and control within Home Assistant.

A comprehensive IoT environment monitoring solution built for ESP32 and ESP8266 microcontrollers. It provides real-time tracking of temperature, humidity, and water levels, featuring a Flask-based backend with SQLite storage and a responsive web dashboard for data visualization and remote threshold management.

An interactive shell module for Raspberry Pi Pico applications running FreeRTOS. It provides a VT100-compatible terminal interface with support for custom commands, subcommands, autocompletion, and command history.

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 compact 2.4GHz frequency disruptor based on the ESP32-C3 and dual nRF24L01 modules. It targets Bluetooth, BLE, WiFi, and RC drone signals for educational security testing and controlled disruption.

A DIY home laser shooting range built with the ESP32 and an OV2640 camera. The system detects laser pulses from a toy gun, applies perspective correction for accurate scoring, and provides a web-based dashboard for real-time feedback.

An ESP32-C6 based development board in the Raspberry Pi Zero form factor, designed for high-voltage industrial and IoT applications. It features integrated support for Wi-Fi 6, Bluetooth, Zigbee, and Thread, alongside RS-485/DMX interfaces and a wide 5-60V DC power input range.

A dual-band WiFi deauthentication and security tool for BW16 and ESP32 microcontrollers. It provides a web-based interface for network scanning, packet injection, and real-time monitoring of 2.4GHz and 5GHz traffic. The system includes an integrated sniffer for capturing EAPOL and management frames, with logs stored on an SD card.

An open-source prototype for silent animatronic cat ears using brushless motors and Field Oriented Control (FOC). It utilizes an ESP32 microcontroller with the SimpleFOC library to achieve precise, quiet motion, overcoming the noise issues of traditional RC servos. The system integrates magnetic encoders and an IMU for sophisticated movement and orientation tracking.

A modular firmware platform for the ESP32-S3 SoC built using the ESP-IDF framework. It features a structured architecture divided into hardware drivers, services, core logic, and applications, utilizing the NimBLE Bluetooth stack for wireless connectivity.