checkpoint commit

active/device_esphome/esphome.md

@@ -8,6 +8,7 @@
   - [Adding a New Device](#adding-a-new-device)
   - [Controlling Home Assistant](#controlling-home-assistant)
   - [Configuration Sections](#configuration-sections)
+  - [Symbols](#symbols)
     - [esphome](#esphome)
     - [esp32](#esp32-1)
     - [logger](#logger)
@@ -63,7 +64,8 @@ uv venv
 uv pip install esphome
 source .venv/bin/activate
 
-esphome run m5stack-atom-echo.yaml
+# grep for debug logs only (helpful for filtering noise)
+esphome run tab1.yaml | grep -E '.*[\[D\]]'
 ```
 
 ## Adding a New Device
@@ -78,6 +80,13 @@ esphome run m5stack-atom-echo.yaml
 
 <https://esphome.io/components/>
 
+## Symbols
+
+You can display the embedded symbols among the text by their codepoint address
+preceded by \u. For example: \uF00C :
+
+![alt text](image.png)
+
 ### esphome
 
 ### esp32
@@ -145,6 +154,22 @@ data:
   media_content_id: "media-source://media_source/local/wake_word_triggered.wav"
 ```
 
+Playing arbitrary sound:
+
+```yaml
+audio_file:
+  - id: beep_sound
+    file: "beep.wav"
+
+media_source:
+  - platform: audio_file
+    id: file_source
+
+- media_player.speaker.play_on_device_media_file:
+    media_file: beep_sound
+    announcement: true
+```
+
 ### voice assistant
 
 <https://esphome.io/components/voice_assistant/>