Watchface Builder for Garmin

Watchface Builder for Garmin


Continuous Glucose Monitoring Demo


A simple demo of watchface to show latest value as well as last 5 hours chart of EGV.

To use this watchface, you will need:

  1. Dexcom share API credential, or
  2. Nightscout website url (have not test yet, please contact me if you have nightscout site and willing to test it with me)

First you will need to get a .SET file for later use.

  1. Go to this page: Create Setting File for Garmin App – Watchface Builder for Garmin<
  2. Enter 62f67d535abcb as the appid, or leave appid empty,
  3. At the input box of "Dexcom or nightscout url box"
    • If you have a nightscout site, please paste the url at Dexcom or nightscout url box, and type the access token in the Nightscout access token box if your site has one, or
    • If you have a Dexcom device, select your Dexcom share url, and enter your Dexcom username and password.
  4. Click "Submit" button

Then you should get a .SET file after clicking the submit button. Keep it for later use.

Then create your own or download this watch face, and copy the {appid}.PRG file to your device's GARMINAPPS folder. Before you disconnect the USB cable, you will also need to rename the .SET file to {appid}.SET, and copy it to your device's GARMINAPPSSETTINGS folder.

Then disconnect and wait for the EGV data show up on your watch.

Data fields

This app displays the following data fields:

  • EGV Value Chart
  • The time at which observation was made
  • Estimated glucose value (EGV)
  • Math expression
  • Math expression

Watchface languages:

  • ENG
  • CES
  • DEU
  • FRE
  • HUN
  • ITA
  • PRO
  • SLO
  • SPA

This app requires access to:

  • SensorHistory
  • Background
  • Communications
  • Positioning
Coming soon...