# ZSWatch — Open-Source Smartwatch with Zephyr Firmware

> Fully open-source smartwatch with custom nRF5340 hardware and Zephyr RTOS firmware. Features 1.28-inch round touchscreen, BMI270 IMU, heart rate, magnetometer, microphone, and BLE companion apps for iOS and Android.

## Details

- **Difficulty:** advanced
- **Project Type:** hardware
- **Board Types:** nRF5340
- **Firmware:** Zephyr RTOS
- **Use Cases:** wearables, fitness-tracking, notifications, open-hardware-development
- **Links:** Github Url: https://github.com/jakkra/ZSWatch

## Tags

`smartwatch`, `zephyr`, `nrf5340`, `open-hardware`, `wearable`, `bluetooth`, `fitness-tracker`

---
[View full page](https://openhardware.directory/projects/zswatch-open-source-smartwatch-with-zephyr-firmware)