Hi,
I have several uptime sensors for esphome devices in Home Assistant and I was trying to create a sensor that would store the value of the highest runtime of all devices. For example, if a device ran for 30 days, I would like to keep it as a runtime record.
I tried creating a template sensor, but it doesn’t work as it loses its value during a restart. I tried the min_max component but it shows the max value of the current uptime values and also loses it value during restart.
Any suggestions?
Thanks!
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