# project — Open Hardware Directory

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**2 project listed.**

## 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](https://openhardware.directory/projects/zswatch-open-source-smartwatch-with-zephyr-firmware) | [Markdown](https://openhardware.directory/projects/zswatch-open-source-smartwatch-with-zephyr-firmware/md)

## InfiniTime — Open-Source Firmware for PineTime Smartwatch

Community-developed C++ firmware for the Pine64 PineTime smartwatch built on FreeRTOS. Features BLE notifications, step counting, heart rate monitoring, multiple watch faces, and OTA updates with 3,200+ GitHub stars.

[Details](https://openhardware.directory/projects/infinitime-open-source-firmware-for-pinetime-smartwatch) | [Markdown](https://openhardware.directory/projects/infinitime-open-source-firmware-for-pinetime-smartwatch/md)