Measuring Water Level in a Tank Using ESPHome and Home Assistant
ESP32 AJ-SR04M waterproof ultrasonic sensor ESPHome Home Assistant With this setup , I can now see the tank level as a percentage and in liters, and even get a notification when the water is low. Hardware Used ESP32 Dev Board AJ-SR04M waterproof ultrasonic sensor (4-pin version: VCC, GND, Trig, Echo ) A couple of resistors (1.8kΩ and 3.3kΩ for a voltage divider) Dupont cables and a power ...
Setting Up an Amazon Echo Dot
Learn how to set up your Amazon Echo Dot hassle-free with this step-by-step guide! From connecting to Wi-Fi with the Alexa app to testing wake words, music playback, and smart home devices, ensure your device functions flawlessly. Troubleshooting tips provided for any setup glitches.
This project uses an ESP32‑C3 with an ultrasonic sensor to measure the water level in a tank, report the fill percentage, and deep sleep between readings to save power. It integrates with Home Assistant, storing the last known reading so you can still see the fill level even while the device is asleep.
ESP32 Water Leak Sensor with Home Assistant (ESPHome & MQTT)
Water leak sensors can prevent serious damage from leaking pipes, washing machines, dishwashers, boilers, and under-sink plumbing. With an ESP32 and a simple water leak probe, it is easy to build a low-cost, fast, and fully local leak detection system that integrates with Home Assistant.
The ultrasonic sensors are low-cost, easy-to-use sensor that can measure distance. It works by sending out a burst of ultrasonic sound and then measuring the time it takes for the echo to return.
Additional Notes on Echo Dot And Ubuntu Home Water Sensor Setup
Amazon launches Echo devices designed for Alexa+. This note connects the source idea with the visuals in a simple, reader-friendly way.
"Mastering Your Smart Home: Amazon Echo Dot (5th Gen) Setup Guide" | by. It works as a short bridge between the article summary and the gallery section.
Amazon Unveils Redesigned Echo Studio & High-Power Echo Dot Max. The extra context helps the page feel more useful without forcing the same phrase repeatedly.
Looking at multiple sources also helps separate the main idea from small decorative details.
These notes are added so the page offers more than images and gives each visitor a clearer reason to keep reading.
