nrf52

Go compiler for small places. Microcontrollers, WebAssembly (WASM/WASI), and command-line tools. Based on LLVM.

The official firmware for Meshtastic, an open-source, off-grid mesh communication system.

Firmware for Pinetime smartwatch written in C++ and based on FreeRTOS

🌱💧 An open source DIY soil moisture sensor

A modern, easy-to-use, and feature-rich keyboard firmware written in Rust.

Cooperative multitasking for Arduino, ESPx, STM32, nRF and other microcontrollers

Track personal Bluetooth devices via Apple's "Find My" network using OpenHaystack and Macless-Haystack with tools written in Go/TinyGo. No Apple hardware required! Build your own beacon using Xiao-BLE, ESP32-C3/S3, & many other boards.

A fork of the NimBLE library structured for compilation with Arduino, for use with ESP32, nRF5x.

Device Firmware Update library and Android app

Project to provide functionality similar to ESPHome but for Zigbee instead of WiFi for nRF52, nRF53 & nRF54L

A Rust HAL for the nRF family of devices

OTA DFU Library for Mac and iOS, compatible with nRF5x SoCs

E-paper display firmware for Nordic nRF51/nRF52, with support for image transfer, OTA update.

The complete codebase for Frame

A ble keyboard firmware using nrf52810/52832

C++ port of the Reticulum Network Stack — a cryptographic mesh networking library that runs on both 32-bit+ microcontrollers (ESP32, nRF52, LoRa boards) and native platforms (Linux, macOS), with PlatformIO and CMake build support.

Portable C libraries which provide APIs to build applications with u-blox products and services. Delivered as add-on to existing microcontroller and RTOS SDKs.

Official online flasher for Meshtastic device firmware

CMake toolchain configurations for ARM

Arduino library to use Semtech SX126x LoRa chips and modules to communicate