Retaining variables after power failure

General
1

I have not seen any method to retain a variable (Such as setpoint) if there is a power cycle.
Am I missing something?

2

Hi,
Have you ever read ContextStorage?

3

Thanks I will take a detailed look at, after doing some reading it does indeed sound like it sound work.

4

Also consider using retained topics in mqtt.

If you want to learn more about MQTT then see this tutorial MQTT Essentials - All Core Concepts explained

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