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Add WN38 Black Globe Thermometer sensor support#342

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neoeinstein wants to merge 1 commit intohome-assistant-libs:mainfrom
neoeinstein:feat/wn38-black-globe-thermometer
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Add WN38 Black Globe Thermometer sensor support#342
neoeinstein wants to merge 1 commit intohome-assistant-libs:mainfrom
neoeinstein:feat/wn38-black-globe-thermometer

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Summary

  • Add sensor mappings for the Ecowitt WN38 Black Globe Thermometer
    • bgt / bgtc — Black Globe Temperature (°F / °C)
    • wbgt / wbgtc — Wet Bulb Globe Temperature (°F / °C)
    • bgtbatt — WN38 battery voltage
  • Add F→C conversions for bgt and wbgt in calc.py
  • Add test data and assertions for a GW1200B station with WN38 attached

Test plan

  • All existing tests pass
  • New test_gw1200b_wn38 test verifies sensor conversion values

Add bgt, wbgt, and bgtbatt sensor mappings with F-to-C conversions.
@neoeinstein neoeinstein force-pushed the feat/wn38-black-globe-thermometer branch from 1fb0dbc to 16cff39 Compare March 8, 2026 04:39
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