[This thread was split up from Temperature compensation for HX711 and / or load cell?]
Since the temperature is not very varying these days i did some hacking this weekend.
I installed two scales in an old freezer and put also 2 lightbulbs for heating inside (30W heating-power was enough). Now i can vary the temp between -20 and +40 °C.
I will put weight on it.
I will just put the electronic inside the freezer and the cell outside.
I will switch that - cell inside, electronic outside.
Then we can see, which part is causing the drift. My guess will be the HX711, since the cell should have a temp. compensation on board.
Any other ideas are highly recommended.