Gauge Level Analysis for Home Assistant

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I have an oil tank at home with a mechanical level indicator, similar to this one (but without the red marks).

I want to monitor the tank’s level and have bought an Onvif-kompatible IR-enabled network-camera for this. The goal is to use image recognition / AI to get the current level in centimeter and use a template sensor to get the amount of oil in litres.

I’d be grateful for hints and links on how to archieve this with Home Assistant and other tools like OpenCV.

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Good morning!

Wouldn’t it be easier to do sth like that with an ultrasonic distance sensor like that?

$6 for the Sensor plus another $5 for a Wemo o r ESP8266 and done :slight_smile: