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bathroom exhaust: more reliable triggers
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BrianHanifin
+126
-58
@@ -3,69 +3,94 @@
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# Location: Upstairs Bathroom
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#
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substitutions:
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project: Shelly1 02
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project: Upstairs Bathroom Fan
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id: shelly1_02
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#humidity_threshold: "65.0"
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humidity_difference_threshold: "15.0" # 15% difference between house humidity and bathroom humidity.
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humidity_difference_threshold: "15.0" # 15% difference between house humidity and bathroom humidity.
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countdown_duration: "900" # 900 seconds = 15 minutes
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<<: !include common/substitutions/gpio/shelly1.yaml
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<<: !include common/esphome/esp8266.yaml
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<<: !include common/common.yaml
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script:
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- id: relay_off_after_delay
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then:
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- if:
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condition:
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#lambda: |-
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# return id(humidity).state < $humidity_threshold;
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lambda: |-
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return id(humidity_difference).state < $humidity_difference_threshold;
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then:
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# Turn off a manually turned on fan after 15 minutes, but only if humidity is below the threshold.
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- delay: 15min
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- switch.turn_off: relay
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else:
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# No matter what, turn the fan off after an hour.
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- delay: 60min
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- switch.turn_off: relay
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- id: relay_toggle
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then:
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if:
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condition:
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api.connected:
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then:
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- if:
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condition:
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switch.is_off: relay
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then:
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# Turn the relay on as requested.
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- switch.turn_on: relay
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- script.execute: relay_off_after_delay
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else:
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# Turn the switch off as requested.
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- switch.turn_off: relay
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else:
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# When Home Assistant is unavailable, just toggle the relay.
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- switch.toggle: relay
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binary_sensor:
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# Physical Toggle Switch. Monitor for switch position changes internally. Do not expose to Home Assistant.
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- platform: gpio
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pin:
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number: $button_gpio
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#name: $project Button
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id: button
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filters:
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- delayed_on: 10ms
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- delayed_off: 10ms
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on_state:
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- script.execute: relay_toggle
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- switch.toggle: relay
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- text_sensor.template.publish:
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id: trigger
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state: PHYSICAL
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# Start the countdown timer.
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- globals.set:
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id: remaining_time
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value: !lambda return $countdown_duration;
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#- platform: homeassistant
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# entity_id: binary_sensor.upstairs_bathroom_humidity_decrease
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# id: humidity_decrease_trend
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# on_state:
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# then:
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# - lambda: |-
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# if (id(humidity_difference).state < $humidity_difference_threshold) {
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# id(relay).turn_off();
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# }
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#- platform: homeassistant
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# entity_id: binary_sensor.upstairs_bathroom_humidity_increase
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# id: humidity_increase_trend
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# on_state:
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# then:
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# # Turn the relay on.
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# - switch.turn_on: relay
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#
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# - text_sensor.template.publish:
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# id: trigger
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# state: TREND
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globals:
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- id: remaining_time
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type: int
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restore_value: no
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initial_value: "0"
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# Update the countdown timers every 5 seconds.
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interval:
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- interval: 5s
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then:
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#- logger.log: "5 seconds have passed."
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#- logger.log:
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# format: "remaining_time: %s"
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# args: ['id(remaining_time).state']
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- lambda: |-
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if (id(remaining_time) > 0) {
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// When the relay is on.
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if (id(relay).state) {
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// Decrement the timer.
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id(remaining_time) -= 5;
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// Turn off the relay when the time reaches zero... or the remaining time fails a sanity check!
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if (id(remaining_time) <= 0) {
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if (id(humidity_difference).state < $humidity_difference_threshold) {
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id(relay).turn_off();
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id(remaining_time) = 0;
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} else {
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// Restart countdown
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id(remaining_time) = $countdown_duration;
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}
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}
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}
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}
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sensor:
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# Measure the difference between the house humidity and bathroom humidity from Home Assistant.
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@@ -76,21 +101,64 @@ sensor:
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- above: $humidity_difference_threshold
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then:
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- switch.turn_on: relay
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- text_sensor.template.publish:
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id: trigger
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state: THRESHOLD
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- below: $humidity_difference_threshold
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then:
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- switch.turn_off: relay
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# Monitor the humidity from Home Assistant.
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# - platform: homeassistant
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# id: humidity
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# entity_id: sensor.upstairs_bathroom_humidity
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# on_value_range:
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# - above: $humidity_threshold
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# then:
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# - switch.turn_on: relay
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# - below: $humidity_threshold
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# then:
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# - switch.turn_off: relay
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switch:
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<<: !include common/switches/relay.yaml
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- platform: gpio
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id: relay
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pin: $relay_gpio
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#restore_mode: ALWAYS_OFF
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- platform: template
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name: $project
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optimistic: no
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lambda: |-
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if (id(relay).state) {
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return true;
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} else {
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return false;
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}
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turn_on_action:
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- switch.turn_on: relay
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- text_sensor.template.publish:
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id: trigger
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state: VIRTUAL
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# Start the countdown timer.
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- globals.set:
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id: remaining_time
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value: !lambda return $countdown_duration;
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turn_off_action:
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- switch.turn_off: relay
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text_sensor:
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# Trigger states: PHYSICAL, VIRTUAL (UI or Alexa), TREND, THRESHOLD
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- platform: template
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id: trigger
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name: "$project: Last Trigger"
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# lambda: return {""};
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time:
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- platform: homeassistant
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id: homeassistant_time
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on_time:
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- seconds: 0
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minutes: /5
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then:
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# Every 5 minutes verify an automatically turned on fan is still above the humidity difference threshold.
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- if:
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condition:
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lambda: |-
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return (id(trigger).state == "TREND" || id(trigger).state == "THRESHOLD");
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then:
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- lambda: |-
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if (id(humidity_difference).state < $humidity_difference_threshold) {
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id(relay).turn_off();
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}
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