overhauls of most service docs

active/device_home_assistant/home_assistant.md

@@ -5,11 +5,16 @@
     - [Schlage Door Lock](#schlage-door-lock)
     - [Philips Hue Lights](#philips-hue-lights)
     - [Shelly](#shelly)
-    - [Relative Humidity Calculator](#relative-humidity-calculator)
+      - [Barometer](#barometer)
+      - [Relative Humidity Calculator](#relative-humidity-calculator)
     - [Font Colors](#font-colors)
     - [Light Indicator for Voice Assistant](#light-indicator-for-voice-assistant)
     - [Blank Button (Spacer)](#blank-button-spacer)
     - [Roku Remote](#roku-remote)
+    - [Flair Vent Battery](#flair-vent-battery)
+  - [Voice](#voice)
+    - [Custom Sentences](#custom-sentences)
+  - [Notifications](#notifications)
 
 ## Setup and Configuration
 
@@ -48,7 +53,51 @@ is quicker to pick up and transmit device information. Note that "gateway mode"
 just enable bluetooth and rpc or select "active" from the configuration menu for the shelly
 device.
 
-### Relative Humidity Calculator
+#### Barometer
+
+<https://www.thoughtco.com/how-to-read-a-barometer-3444043>
+
+A barometric reading over 30.20 inHg is generally considered high, and high pressure is associated with clear skies and calm weather.
+
+If the reading is over 30.20 inHg (102268.9 Pa or 1022.689 mb):
+
+- Rising or steady pressure means continued fair weather.
+- Slowly falling pressure means fair weather.
+- Rapidly falling pressure means cloudy and warmer conditions.
+
+A barometric reading in the range of 29.80 and 30.20 inHg can be considered normal, and normal pressure is associated with steady weather.
+
+If the reading falls between 29.80 and 30.20 inHg (100914.4–102268.9 Pa or 1022.689–1009.144 mb):
+
+- Rising or steady pressure means present conditions will continue.
+- Slowly falling pressure means little change in the weather.
+- Rapidly falling pressure means that rain is likely, or snow if it is cold enough.
+
+A barometric reading below 29.80 inHg is generally considered low, and low pressure is associated with warm air and rainstorms.
+
+If the reading is under 29.80 inHg (100914.4 Pa or 1009.144 mb):
+
+- Rising or steady pressure indicates clearing and cooler weather.
+- Slowly falling pressure indicates rain.
+- Rapidly falling pressure indicates a storm is coming.
+
+A basic automation would look like
+
+```yaml
+It's {{ int(states("sensor.grouse_temp")) }} degrees and {{ states("weather.grouse_weather") }}. The relative humidity is {{ states("sensor.grouse_humidity") }}%. I'm seeing {{ int(states("sensor.grouse_wind_speed")) }}mph wind with gusts up to {{ int(states("sensor.grouse_wind_gust")) }}mph.
+
+{% set pressure = float(states("sensor.grouse_rel_pressure")) %}
+The barometer reads {{ pressure }}inHg.
+{% if pressure > 30.20 %}
+Fair weather is expected
+{% elif pressure > 29.80 %}
+Rain is possible
+{% else %}
+Rain is coming.
+{% endif %}
+```
+
+#### Relative Humidity Calculator
 
 <https://www.wikihow.com/Calculate-Humidity>
 
@@ -335,4 +384,32 @@ cards:
         hold_action:
           action: none
 title: Left Living Room TV
-```
+```
+
+### Flair Vent Battery
+
+Flair vents report low battery at 2.4v. 3v is nominal/full.
+
+```yaml
+{% set volt_min=2.4 %}
+{% set volt_max=3.0 %}
+{% set volt_diff_max=0.6 %}
+
+{{ (min(float(states("sensor.main_bedroom_29bf_voltage")) - volt_min, volt_diff_max) / volt_diff_max) * 100 }}
+```
+
+## Voice
+
+### Custom Sentences
+
+<https://developers.home-assistant.io/docs/voice/intent-recognition/template-sentence-syntax/#sentence-templates-syntax>
+
+## Notifications
+
+Notification Information:
+
+<https://www.home-assistant.io/docs/automation/templating/>
+
+```yaml
+Triggered by {{ trigger.entity_id }}, Date: {{ now().strftime('%Y-%m-%d') }}, Time: {{ now().strftime('%H:%M') }}
+```