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Was originally posted to rtl_433.

Regarding frequency of battery updates, in case it helps give you some insights, here is every message I captured from my 5 Govee HS054 sensors from roughly Jan 2022 to Sept. 2023. These were purchased in 2021.

(the water leak reports were from cleaning people accidentally setting them off)

There are months between battery reports. It is possible there were missed messages though I don't believe that likely.

Acurite Sensor Message Format

Collected information based on investigation for implementing rtl_433 decoders.

Devices that share a common header and envelope

Note: these are generally compatible with the Acurite Access RF->Network gateway

  • Notos (3-n-1) Weather station
  • Iris (5-n-1) Weather station