Update bathroom-fan.yaml

Update: 
 - Faster response to changes from HASS
 - Faster response to PIR detection
 - Few temperature updates sent to HASS
 - Better clamping and control of fan-speed

bathroom-fan.yaml

@@ -113,7 +113,7 @@ i2c:
 binary_sensor:
   - platform: gpio
     name: "Motion"          # IR Presense detection, halves fan speed
-    id: pirSensor           
+    id: pirSensor
     pin: 
       number: ${pinPIR}
       mode: 
@@ -151,6 +151,8 @@ sensor:
     temperature:
       name: "Temperature"  # We only use Temp for information. SHT3x uses it for Relative Humidity
       id: temp
+      filters:
+        - delta: 0.6  # Don't react to every small change
     humidity:
       name: "Humidity"
       id: humid
@@ -159,7 +161,7 @@ sensor:
             min_value: 0.1
             max_value: 99.9
             ignore_out_of_range: true
-        - delta: 2.0  # Don't react to every small change
+        - delta: 1.0  # Don't react to every small change
       on_value:
         then:
           - script.execute: update_fan
@@ -185,9 +187,9 @@ script:
           // = ((100-25) / (80 - $C$5)) * B8 + (100 - (((100-25) / (80 - $C$5))*80))
           float speed = (75/(80-cutoff)) * humidity + (100-((75/ (80-cutoff))*80));
           
-          // Clamp between 25 and 100
+          // Clamp between 20% and 100% duty-cycle
           if( humidity <= cutoff )
-            speed = 25;
+            speed = 20;
           if( humidity >= 80)
             speed = 100;
           
@@ -196,7 +198,8 @@ script:
             speed = speed / 2;
 
           // Turn the fan on and set the speed, or turn off
-          if( humidity >= cutoff )
+          // Test for both cutoff, and minimum speed. 
+          if( humidity >= cutoff && speed >= 10)
           {
             auto call = id(Extractor).turn_on();
             call.set_speed(speed);
@@ -223,6 +226,9 @@ switch:
 #      - switch.turn_on: switch2
 #    turn_off_action:
 #      - switch.turn_on: switch1
+    on_state:
+      then:
+        - script.execute: update_fan # Update fan to reflect quiet-mode state
 
 number:
   - platform: template    # Control in Home Assistant to set point where fan should turn off
@@ -237,3 +243,6 @@ number:
     step: 1
     initial_value: 35     # 35% rel humidity is slightly high as low cutoff
     restore_value: True 
+    on_value:
+      then:
+        - script.execute: update_fan # Update fan to reflect new cut-off and range