this post was submitted on 12 May 2024
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Local Only Water Meter? (lemmy.ml)
submitted 1 year ago by brownmustardminion@lemmy.ml to c/homeassistant@lemmy.world
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I tried my hand at rigging a proximity sensor to the water meter in my house. Sadly it doesn’t have the spinning magnet for the sensor to pick up.

I looked into other options for pulling data from the meter, but for each method, my very antiquated meter had a complication that would prevent it from working.

TLDR: Any recommendations for a home water meter that’s local and integrates well with home assistant?

I’m going to check with my water company first, but likely will remove the old meter and replumb a new “smart” meter and an automated shut off valve into the water supply. I believe the current meter is leftover from before the utility added new meters further upstream, so I’d rather get rid of the rusty piece of junk anyway.

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[–] eco_game@discuss.tchncs.de 2 points 1 year ago

Slightly old post, but hopefully still helpful to someone:

I managed to read out my analog water meter using the following ESP32 image: https://github.com/jomjol/AI-on-the-edge-device

It uses an ESP32-CAM module that actively reads your meter, using machine vision. The data is then published via MQTT. There are even some stl files for cases/mounts for common energy meters.

Once setup properly (with a 3D printed case from the provided stl files), I found it to work quite well. I have a pretty clean standard German water meter though.