So, we have an old heat bed for our plants in the green house.
Since we live in Sweden the risk for below freezing is high until the end of May.
Our old heat bed is just an arduino with tree ds18b20 and two SSR’s.
One set of ds18b20 and SSR controls the heating, with a target temperature, a hysteresis and pwm as configuration.
The other set controls a fan, yes during the days it can get warm in there…
The last ds18b20 is just for the temperature out in the green house.
All temperatures are logged with a max and min which can ber reset.
The Mrs. wants two more beds…
I don’t want to struggle with buttons, displays and to much carving in boxes.
So, can I create a module that does this and can it run stand alone without Home Assistant isn’t running?
My thoughts is just to use HA as a gui.
Yes, I’m new to ESPHome …
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