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Line for Watchy

Analog Watchface for Watchy E-Paper Watch

Design inspired by Line Watch Face for Google Wear OS by Seahorsepip

Line for Watchy Dark Mode

Line for Watchy (Image by SQFMI)


  • Follow the instructions on to setup your Arduino IDE for Watchy
  • Make sure the RTClib.h by Adafruit is installed (tested with version 1.12.4)
  • Make sure the WiFi.h and time.h libraries are installed
  • Create a folder Line-for-Watchy and copy all files from the repository to it
  • For ntp time server synchronization add the file secrets.h to that folder with the following two lines:
const char* ssid = "yourWiFiNetworkName";
const char* password = "yourWiFiNetworkPassword";
  • Open the File Line-for-Watchy.ino with your Arduino IDE and make the following adaptations if necessary
    • The ntp time will be translated to your local time based on the time zone settings in line 35. The default is Europe/Berlin - adapt according to the posix_tz_db if necessary
    • Toggle between light and dark mode in Line 49 - The default is dark mode.
  • Upload to your Watchy and Enjoy :)

On reset (after uploading the watch face) Watchy tries automatically to connect to your WiFi and obtain current date and time from ntp time server. If that fails Watchy will be synchronized with the compile date and time.


  • 0.1 (2021-02-13): initial version
  • 0.2 (2021-02-21): added ntp time server synchronization

Free Culture License This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0). Adaptations and commercial use are allowed AS LONG AS OTHERS SHARE ALIKE. License terms


Analog Watchface for Watchy E-Paper Watch






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