Hey,
It’s not supported yet for Z2M.
The feature is currently available via ZBBridge-P and will extend to other SONOFF gateways ETA in Dec.
Here’s a vid guide from SONOFF:
This is critical functionality because controlling hysteresis is important even at the cost of a short battery life. A ±1°C hysteresis is too large, and a ±2°C temperature amplitude is not acceptable for “smart” thermostat .
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When will you finally fix the hysteresis to 0.3 or 0.5 °C?
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Are there any changes to the hysteresis? Winter will be over before you change the hysteresis!
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Well said! And shouldn’t hysteresis be implemented before winter is over it will be time to set up (or set back) a Home Assistant better working thermoregulation for next winter (using TRVZB valves and software regulation like Better Thermostat). I really hope for a Sonoff/EweLink imminent implementation though!
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Why is it so difficult to implement a better hysteresis?
I’m not even talking about PID control.
Poor performance. 
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Hey there… still waiting!
Maybe at the end they are really implementing some sort of PID control before releasing some updates? Then take it easy but just give us a simple hysteresis option now! Thank you.
Our team is still working on it. expected to be released at the end of Q1.
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Just in time for the start of spring. 
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Bu çok önemli bir sorun
görünüşe göre sonoff için değil 
Sanırım öyle
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