ZSWatch - the Open Source Zephyr™ based Smartwatch, including both HW and FW.
nRF9160 - Google IoT Core - Pub/Sub
React Native implementation of BLE UART communication over nRF Connect Simulator
Contains Segger Embedded Studio project for a custom Bluetooth Low Energy service which provides accelerometer readings and soure code for an Electron App which accesses this service over nRF Cloud.