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Link to https://github.com/tronikos/esphome-magnetometer-water-gas-meter in the Integrating your gas usage page (#32387)

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@ -31,4 +31,4 @@ We have worked with creator [Marcel Zuidwijk](https://www.zuidwijk.com) to devel
#### Read the Gas Meter using a magnetometer #### 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). [Diaphragm/bellows gas meters](https://en.wikipedia.org/wiki/Gas_meter#Diaphragm/bellows_meters) are the most common type of gas meter, seen in almost all residential installations, 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. A project that makes it easy to use this magnetometer and calibrate it is [this water-gas-meter project on GitHub](https://github.com/tronikos/esphome-magnetometer-water-gas-meter).