BWT AQA Smart Home Assistant, Homematic, Tasmota,
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With this solution, the salt fill level can be measured using an ESP32 and Tasmota.
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial
This project allows you to measure the salt fill level of a water softener using an ESP32 or Wemos D1 Mini together with an HC-SR04 ultrasonic distance sensor.
The measured salt level can be integrated into and monitored via Home Assistant, Homematic, or MQTT. This enables real-time monitoring of the remaining salt level and allows notifications or automations to be triggered when the level drops below a defined threshold.
Required hardware:
ESP32 or Wemos D1 Mini (ESP8266)
HC-SR04 ultrasonic distance sensor
Tasmota firmware

Features:
Continuous salt level measurement
MQTT data transmission
Easy integration with Home Assistant
Compatible with Homematic and other MQTT-enabled systems
Configurable alerts for low salt levels
Remote monitoring and visualization through smart home dashboards
