How to Add Droplet Smart Water Flow Sensor to Home Assistant

Published at : 23 Dec 2025

In this video we'll be going over how to add the droplet smart home water flow sensor to Home Assistant via MQTT. We'll also go over the steps needed to add water usage from droplet into the Home Assistant Energy dashboard so that you can keep track of your water usage.

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Useful links:
Home Assistant File editor: https://www.home-assistant.io/common-tasks/os/#installing-and-using-the-file-editor-add-on

MQTT syntax:
- username: droplet
password: P@ssw0rd!-dr()plet

configuration.yaml syntax:
#Device Customization
homeassistant:
customize:
sensor.monthly_water_usage:
device_class: "water"


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Chapters:
0:00 - How to add Droplet Smart Home Water flow sensor to Home Assistant via MQTT
1:04 - How to add MQTT to Home Assistant
1:37 - How to add MQTT user to Home Assistant
2:32 - Configuring droplet smart water flow sensor with MQTT for Home Assistant
3:40 - Automation ideas for the droplet smart home water flow sensor
3:58 - How to add droplet water usage to home assistant energy dashboard

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