Move to _data along with some misc clean-up.

pj_3_duct_fan_pwr.yaml

@@ -1,6 +1,5 @@
 substitutions:
-  device_name: "pj_3_duct_fan_pwr"
-  friendly_name: "Prj 3 Duct Fan Pwr"
+  dev_name: "pj_3_duct_fan_pwr"
 
 esphome:
   name: pj_3_duct_fan_pwr
@@ -38,46 +37,28 @@ binary_sensor:
       number: GPIO4
       mode: INPUT_PULLUP
       inverted: True
-    name: "${friendly_name} Button"
-    id: "${device_name}_button"
+    name: "${dev_name} button"
     on_press:
-      - switch.toggle: "${device_name}_relay"
-  - platform: status
-    name: "${friendly_name} Status"
-    id: "${device_name}_status"
+      - switch.toggle: relay
 
 switch:
   - platform: gpio
-    name: "${friendly_name} Relay"
-    id: "${device_name}_relay"
+    name: "${dev_name} relay"
     pin: GPIO14
-    on_turn_on:
-      - output.turn_on: led
-    on_turn_off:
-      - output.turn_off: led
+    id: relay
 
 status_led:
   pin:
     number: GPIO12
     inverted: yes
 
-output:
-  - platform: gpio
-    pin: GPIO13
-    inverted: true
-    id: led
-
 sensor:
   - platform: wifi_signal
-    name: "${friendly_name} WiFi signal"
-    id: "${device_name}_wifi_signal"
-    update_interval: 60s
-  - platform: uptime
-    name: "${friendly_name} Uptime"
-    id: "${device_name}_uptime"
+    name: "${dev_name} WiFi signal"
     update_interval: 60s
 
-text_sensor:
-  - platform: version
-    name: "${friendly_name} ESPHome Version"
-    id: "${device_name}_esphome_version"
+  - platform: uptime
+    name: "${dev_name} uptime"
+
+# text_sensor:
+#   - platform: version