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  • Just a note that I published some technical details of the SMA Q3 smartwatch here: https://hackaday.io/project/175577-hacka¬≠ble-nrf52840-smart-watch

    • nRF52840 (BLE 5, 64MHz, 256kB RAM, 1MB Flash)
    • LPM013M126 sunlight-readable 176x176 8 color LCD, with full touch
    • One button, IP68 waterproof
    • 4MB SPI Flash
    • GPS
    • Accelerometer, Compass, Pressure/Temperature sensor
    • Heart rate sensor

    It's quite an impressive watch, and there is a partially working Espruino build for it as well. It can be a bit tricky to get hold of though, so let me know if there's interest in a group buy.

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