Dexcom
The Dexcom integration allows you to view your CGM data from Dexcom
Prerequisites
You will need to set up the Dexcom Share
Configuration
To add the Dexcom integration to your Home Assistant instance, use this My button:
Manual configuration steps
If the above My button doesn’t work, you can also perform the following steps manually:
-
Browse to your Home Assistant instance.
-
In the bottom right corner, select the
Add Integration button. -
From the list, select Dexcom.
-
Follow the instructions on screen to complete the setup.
Some people have had problems with connecting when their Dexcom passwords are entirely numeric. If you have connection issues in that case, try changing your password to something with a mix of numbers and letters.
Server
There are two Dexcom Share servers, US
for United States customers, and OUS
for all customers outside of the United States.
Unit of measurement
The integrations allow both mg/dL
and mmol/l
units of measurement for blood glucose values. To change your preferred unit of measurement, go to Settings -> Devices & services in the UI, and click OPTIONS
.
Sensor
If you have a sensor session running, and once you have enabled the Dexcom integration, you should see the following sensors:
- Blood glucose value sensor
- Blood glucose trend sensor
Example automation
- alias: "Overnight low kitchen lights"
description: "Turn on the lights in the kitchen if my blood sugar drops low overnight"
triggers:
- trigger: numeric_state
entity_id: sensor.dexcom_YOUR_USERNAME_glucose_value
below: 65
conditions:
- condition: time
after: "22:00:00"
before: "06:00:00"
actions:
- action: light.turn_on
target:
entity_id: light.kitchen