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Add magnetometer (#26789)

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Co-authored-by: Franck Nijhof <frenck@frenck.nl>
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Ben Brooks 2023-04-24 07:45:58 -05:00 committed by GitHub
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@ -29,3 +29,6 @@ We have worked with creator [Marcel Zuidwijk](https://www.zuidwijk.com) to devel
![Photo of the AI-on-the-edge-device Workflow](/images/docs/energy/ai-on-the-edge-device.jpg)
#### Read the Gas Meter using a magnetometer
[Diaphragm gas meters](https://en.wikipedia.org/wiki/Gas_meter#Diaphragm/bellows_meters) are the most common type of gas meter, and their movement can frequently be observed with a magnetometer. The [QMC5883L](https://esphome.io/components/sensor/qmc5883l.html) is a common and inexpensive option that ESPHome supports. Many posts on the forums of users having luck with this method, such as [this one](https://community.home-assistant.io/t/water-gas-meter-monitoring-via-magnetometer-sine-wave-to-pulse-issue/245904).