Total overhaul - still need to rework racks.

_data/.weather.yaml

@@ -7,19 +7,19 @@ i2c:
 sensor:
   - platform: bme280
     temperature:
-      name: Temp${dn}
+      name: Temp${sn}
       id: bme280_temperature
     pressure:
-      name: Press${dn}
+      name: Press${sn}
       id: bme280_pressure
     humidity:
-      name: HumidityRel${dn}
+      name: HumidityRel${sn}
       id: bme280_humidity
     address: 0x76
     update_interval: 15s
   # Templates from https://esphome.io/cookbook/bme280_environment.html
   - platform: template
-    name: HumidityAbs${dn}
+    name: HumidityAbs${sn}
     lambda: |-
       const float mw = 18.01534;    // molar mass of water g/mol
       const float r = 8.31447215;   // Universal gas constant J/mol/K
@@ -31,7 +31,7 @@ sensor:
     icon: 'mdi:water'
     unit_of_measurement: 'g/m³'
   - platform: template
-    name: DewPt${dn}
+    name: DewPt${sn}
     lambda: |-
       return (243.5*(log(id(bme280_humidity).state/100)+((17.67*id(bme280_temperature).state)/
       (243.5+id(bme280_temperature).state)))/(17.67-log(id(bme280_humidity).state/100)-