Refactor fan control configuration: Fix GPIO pin inversion, add fan IDs, and implement a switch for controlling all fans

esphome/fdm-exhaust-fan-control.yaml

@@ -35,22 +35,38 @@ captive_portal:
 web_server:
   port: 80
 
+# GPIO Outputs for fan control
 output:
   - platform: gpio
-    pin: 
-      number: GPIO3
-      inverted: true  # Fix for driver inversion
+    pin: GPIO3  # D1 on XIAO
     id: fan_80mm_output
+
   - platform: gpio
-    pin: 
-      number: GPIO4
-      inverted: true
+    pin: GPIO4  # D2 on XIAO
     id: fan_120mm_output
 
+# Fan entities for Home Assistant
 fan:
   - platform: binary
     name: "80mm Exhaust Fan"
+    id: fan_80mm
     output: fan_80mm_output
+
   - platform: binary
     name: "120mm Exhaust Fan"
-    output: fan_120mm_output
+    id: fan_120mm
+    output: fan_120mm_output
+
+# Optional: Add a switch to control both fans together
+switch:
+  - platform: template
+    name: "All Fans"
+    id: all_fans
+    turn_on_action:
+      - fan.turn_on: fan_80mm
+      - fan.turn_on: fan_120mm
+    turn_off_action:
+      - fan.turn_off: fan_80mm
+      - fan.turn_off: fan_120mm
+    lambda: |-
+      return id(fan_80mm).state && id(fan_120mm).state;