83 projects using Zephyr RTOS
Zephyr is a scalable, security-focused real-time operating system (RTOS) designed for resource-constrained devices across multiple hardware architectures. It features a modular, small-footprint kernel with an extensive suite of subsystems, including a native networking stack, comprehensive Bluetooth Low Energy support, and a robust device driver model.
A collection of proof-of-concept exploits for CVE-2021-3625, a critical buffer overflow vulnerability in the Zephyr RTOS USB stack. These scripts demonstrate memory readout and DFU overflow attacks against Zephyr-based USB devices and MCUBoot builds up to version 2.5.0.
A port of the GRBL CNC firmware to the Zephyr RTOS, targeting STM32 microcontrollers like the STM32F405RG. It extends the original GRBL functionality with features such as software CDC ACM serial support, SD card integration, and TMC2130 stepper driver compatibility.
A comprehensive technical analysis and documentation project focused on the internal architecture of Zephyr OS. It covers kernel internals, device driver models, networking stacks including uIP and Contiki integration, and hardware porting for platforms like the CC2538 and Arduino Due.
A collection of example applications for the Zephyr RTOS demonstrating LoRaWAN network connectivity and LoRa point-to-point communication. It targets various hardware platforms including STM32WL and nRF52/nRF91 series microcontrollers paired with Semtech SX1276 radios.
A collection of examples and driver adaptations for using Ultra Wideband (UWB) and Bluetooth on the DWM1001 module with Zephyr RTOS. It targets the nRF52832-based hardware and provides implementations for two-way ranging, low-power listening, and UWB transmission.
A sample project for a Class A TTN LoRaWAN node built on Zephyr RTOS. It targets STM32-based boards like the Blackpill F411CE and Black F407VE, utilizing the Zephyr LoRaWAN stack and SX12xx radio drivers for connectivity to The Things Network.
A comprehensive step-by-step guide for learning Zephyr RTOS, designed for developers with C knowledge but no prior RTOS experience. It covers fundamental concepts including threading, scheduling, GPIO, and interrupts through structured lessons and practical exercises.
The Zephyr Software Development Kit (SDK) is a comprehensive toolset providing cross-compilation toolchains and host tools for the Zephyr RTOS. It supports a wide array of architectures including ARM, RISC-V, Xtensa, and x86, and bundles essential utilities like QEMU and OpenOCD for emulation and debugging.
A demonstration project for Zephyr RTOS showing how to use custom TrueType fonts (TTF) with the Character Framebuffer (CFB) subsystem. It targets STM32F103 'Black Pill' or 'Blue Pill' boards equipped with an SSD1306-based OLED display over SPI.
A demonstration application showcasing the Zephyr RTOS shell on Teensy 4.0 and 4.1 hardware. It features multi-threaded communication using message queues, hardware FPU support, and POSIX clock integration, providing a robust alternative to the standard Arduino stack for real-time control and IoT applications.
A sample application demonstrating SPI data transfer on an STM32 Nucleo-F411RE board using the Zephyr RTOS. It provides a practical implementation of SPI bus communication, leveraging Zephyr's hardware abstraction layer and build system.
A USB MIDI 1.0 device class driver for the Zephyr RTOS that enables MIDI data transmission and reception over USB. It provides a public API for MIDI messaging and includes a sample application compatible with hardware like the STM32F4 Discovery and nRF52840 DK.
A sample application demonstrating WebUSB functionality on STM32 microcontrollers using the Zephyr RTOS. It implements a simple echo service that communicates with a web-based application via the WebUSB API, showcasing secure browser-to-hardware connectivity.
A Zephyr RTOS application providing a console-based utility for Wi-Fi connectivity and network testing. It features an interactive shell for managing Wi-Fi credentials and performing TCP/UDP data transfers, specifically optimized for the STM32L4+ Discovery kit IoT.
A cross-platform Zephyr RTOS application demonstrating WiFi connectivity, DHCP, DNS resolution, and HTTP GET requests. It provides reference implementations and build configurations for ESP32-S3, ESP32-C3, Raspberry Pi Pico W, and Nordic nRF7002 hardware.
A collection of lightweight Docker images designed for building and developing ZMK firmware. These images provide a pre-configured environment with the Zephyr RTOS toolchain, Python requirements, and necessary system dependencies for various embedded architectures including ARM, RISC-V, and Xtensa.
An open-source keyboard firmware built on the Zephyr Real Time Operating System. It provides a modern, wireless-first platform for mechanical keyboards, supporting Bluetooth Low Energy, split configurations, and extensive customization through a modular system of shields and behaviors.
An open-source smartwatch project built on the Zephyr RTOS and powered by the nRF5340 dual-core BLE SoC. It features a high-resolution round touch display, a comprehensive suite of Bosch environmental and motion sensors, and seamless smartphone integration via Gadgetbridge or iOS.
A dedicated middleware module that integrates micro-ROS with the Zephyr RTOS, allowing microcontrollers to function as ROS 2 nodes. It supports multiple transport layers including Serial and UDPv4, targeting resource-constrained hardware like the STM32-based Discovery IoT kit.
A collection of MIDI application samples for the nRF Connect SDK, supporting Bluetooth Low Energy (BLE) and serial MIDI. It provides implementations for central and peripheral MIDI roles, optimized for timing and performance on Nordic Semiconductor hardware.
A Zephyr-based firmware implementation for the Blue Clover PLT Demo Board (v2), targeting the nRF52832 microcontroller. It serves as a reference platform for production line testing and hardware demonstration within the Zephyr RTOS ecosystem.
A collection of offline converter utilities for the LVGL graphics library, featuring image-to-C and font-to-C conversion scripts. These tools enable the preparation of graphical assets for embedded systems by generating compatible C arrays and binary files from standard image and font formats.
A transport-agnostic Android implementation of the McuManager protocol used to manage microcontrollers running Apache Mynewt and Zephyr. It enables over-the-air (OTA) firmware upgrades, log and statistic collection, and remote file system management.
A transport-agnostic implementation of the McuManager protocol for iOS, enabling over-the-air (OTA) firmware upgrades and device management for microcontrollers running Zephyr or Apache Mynewt. It provides a modular architecture with specialized managers for image handling, file system access, and system logging.
A demonstration project showcasing over-the-air (OTA) update capabilities using the Mender MCU client on STM32L4 hardware. It utilizes the Zephyr RTOS and a W5500 Ethernet module to connect to Mender servers for firmware deployment, remote troubleshooting, and device management.
A Zephyr RTOS-based firmware for the Laird Connectivity Sentrius MG100 Gateway. It integrates Bluetooth 5 and LTE-M/NB-IoT connectivity using the Nordic nRF52840 and Sierra Wireless HL7800, featuring local SD card logging and cloud reporting via AWS or LwM2M.
A sample project demonstrating the integration of the LVGL graphics library with Zephyr RTOS on the nRF52840 MDK development board. It provides a complete configuration for driving a 240x240 ST7789 IPS display via SPI, including necessary driver patches and device tree overlays.
A resource-efficient RISC-V implementation of the RV32IMC instruction set designed for FPGA-based IoT applications. It features built-in Data Execution Prevention (DEP) for enhanced security and provides native support for the Zephyr RTOS.
A comprehensive software development kit for connecting embedded devices to the Golioth IoT cloud. It provides robust middleware for OTA updates, data streaming, remote logging, and device management across platforms like Zephyr, ESP-IDF, and ModusToolbox.
A specialized Device SDK designed to integrate Zephyr RTOS-based firmware with the Golioth IoT Cloud. It provides built-in support for secure communication, over-the-air (OTA) updates, remote logging, and real-time data synchronization via LightDB.
A C++17 implementation of the Herald Bluetooth Protocol and Payload for native platforms, including Zephyr RTOS and Windows. It provides a privacy-preserving proximity detection and data exchange framework specifically optimized for Nordic Semiconductor nRF52 and nRF53 series microcontrollers.
A diagnostic tool for older VAG (Volkswagen Auto Group) vehicles implementing the KW1281 protocol. Built on the Zephyr RTOS, it provides a shell-based interface for scanning targets, reading fault codes, and monitoring measurement groups via USB or serial connections.
A Zephyr RTOS sensor driver for the HC-SR04 ultrasonic ranging module, conforming to the standard Sensor subsystem API. It provides two implementation variants: a portable GPIO-based version and a high-precision nRF52-specific version utilizing hardware peripherals like PPI and TIMER.
Alturia Firmware is the flight control software for the Alturia rocket flight computer, built on the Zephyr RTOS. It features advanced sensor fusion using Kalman and Mahony filters, a modular event system, and support for data logging and Lua scripting, targeting STM32-based hardware.
Anjay-zephyr-client is a collection of LwM2M client samples based on the Anjay Zephyr Module and Zephyr RTOS. It demonstrates how to implement LwM2M functionality, including sensor reporting, FOTA updates, and GPS tracking across various hardware platforms like nRF9160 and ESP32.
Anjay-zephyr is a library module that integrates the Anjay LwM2M client into the Zephyr RTOS. It enables IoT devices to communicate using the LwM2M protocol, supporting features like firmware updates, IPSO objects, and various network bearers including LTE and OpenThread.