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submitted 1 year ago* (last edited 1 year ago) by jaackf@lemmy.world to c/selfhosted@lemmy.world

I'm already hosting pihole, but i know there's so much great stuff out there! I want to find some useful things that I can get my hands on. Thanks!

Edit: Thanks all! I've got a lil homelab setup going now with Pihole, Jellyfin, Paperless ngx, Yacht and YT-DL. Going to be looking into it more tomorrow, this is so much fun!

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[-] Reivax@lemmy.world 1 points 1 year ago* (last edited 1 year ago)

ACEIRMC 2set Soil Moisture... https://www.amazon.com/dp/B09JSND12L?ref=ppx_pop_mob_ap_share

They're just resistive electrodes with an analog sense of the conductivity of the soil, which is linearly correlated with moisture. It does this by applying a voltage to one side and sensing the current load to the other probe. This is exactly the same as electroplating, so if you keep them on 100% of the time, one will essentially dissolve in the dirt.

Instead, I run their power through a relay. I turn one relay on, it turns on all three of my sensors, I wait a few seconds, take three reads off each, one second apart, take the avg of each sensor, and record that. You can the save that to a timeseries database and host that locally too. Then plot that with Graphana.

Now that you have logs, you can check moisture levels before activating your irrigation.

The next step is I have a set of float sensors in the rain barrel, towards the bottom. If the bottom one indicates empty it activates a solenoid to refill from the tap until the top one indicates full. They're about two inches apart.

I have no idea how to attach photos with wefwef.

this post was submitted on 02 Jul 2023
1142 points (97.3% liked)

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