Create ers_rotary_dial_light_control.yaml
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Nate Harris
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# Instructions: https://community.home-assistant.io/t/zha-control-light-color-hue-brightness-with-ers-dial/595002
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blueprint:
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name: ERS Rotary Dial - Light Control
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description: Control light brightness, hue and color with an ERS rotary dial
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source_url: https://raw.githubusercontent.com/nwithan8/configs/main/home_assistant/blueprints/automations/ers_rotary_dial_light_control.yaml
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domain: automation
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input:
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light:
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name: Light
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description: The Light entity or Light Group entity to control
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selector:
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entity:
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filter:
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- domain:
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- light
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- group
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multiple: false
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dial:
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name: Rotary dial
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description: Select the rotary dial you wish to use to control the light
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selector:
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device:
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filter:
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integration: zha
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model: TS004F
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mode_tracker:
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name: Mode tracker
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description: An input number helper to store the current mode in (1-4)
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selector:
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entity:
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filter:
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domain: input_number
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color_tracker:
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name: Color tracker
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description: An input number helper to store the current RGB value in (0-1535)
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selector:
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entity:
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filter:
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domain: input_number
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hue_tracker:
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name: Hue tracker
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description: An input number helper to store the current hue in (2000-6500)
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selector:
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entity:
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filter:
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domain: input_number
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brightness_tracker:
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name: Brightness tracker
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description: An input number helper to store the current brightness in (0-255)
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selector:
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entity:
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filter:
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domain: input_number
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# Only single, otherwise could flood with attempts
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mode: single
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max_exceeded: silent
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variables:
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light: !input "light"
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dial: !input "dial"
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mode_tracker: !input "mode_tracker"
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hue_tracker: !input "hue_tracker"
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brightness_tracker: !input "brightness_tracker"
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color_tracker: !input "color_tracker"
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positive: "{{ trigger.event.data.command == 'step' and trigger.event.data.params.step_mode == 0 }}"
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# How many steps to go full rotation (min 13 per step * 20 steps per full rotation)
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full_rotate_step_count: "{{ 13 * 20 | int }}"
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current_mode: "{{ states(mode_tracker) | int }}"
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min_mode: "{{ state_attr(mode_tracker, 'min') | int }}"
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max_mode: "{{ state_attr(mode_tracker, 'max') | int }}"
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# always increment, looping
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next_mode: >
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{% set val = current_mode + 1 %}
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{% if val > max_mode %}
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{% set val = min_mode %}
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{% endif %}
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{{ val | int }}
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min_hue: "{{ state_attr(hue_tracker, 'min') | int }}"
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max_hue: "{{ state_attr(hue_tracker, 'max') | int }}"
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# How many steps to go full min-max spectrum
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hue_steps: "{{ full_rotate_step_count * 2 | int }}"
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hue_delta: "{{ (trigger.event.data.params.step_size | float(0) / hue_steps) * (max_hue - min_hue) }}"
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# don't loop when reached max or min
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next_hue: >
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{%- set val = states(hue_tracker) | float(0) -%}
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{%- set delta = hue_delta -%}
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{%- if not positive -%}
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{%- set delta = delta * -1 -%}
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{%- endif -%}
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{%- set val = val + delta | int -%}
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{%- if positive and val > max_hue -%}
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{%- set val = max_hue -%}
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{%- elif not positive and val < min_hue -%}
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{%- set val = min_hue -%}
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{%- endif -%}
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{{ val | int }}
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min_brightness: "{{ state_attr(brightness_tracker, 'min') | int }}"
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max_brightness: "{{ state_attr(brightness_tracker, 'max') | int }}"
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# How many steps to go full min-max spectrum
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brightness_steps: "{{ full_rotate_step_count * 2 | int }}"
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brightness_delta: "{{ (trigger.event.data.params.step_size | float(0) / brightness_steps) * (max_brightness - min_brightness) }}"
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# don't loop when reached max or min
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next_brightness: >
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{%- set val = states(brightness_tracker) | float(0) -%}
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{%- set delta = brightness_delta -%}
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{%- if not positive -%}
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{%- set delta = delta * -1 -%}
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{%- endif -%}
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{%- set val = val + delta | int -%}
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{%- if positive and val > max_brightness -%}
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{%- set val = max_brightness -%}
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{%- elif not positive and val < min_brightness -%}
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{%- set val = min_brightness -%}
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{%- endif -%}
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{{ val | int }}
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min_color: "{{ state_attr(color_tracker, 'min') | int }}"
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max_color: "{{ state_attr(color_tracker, 'max') | int }}"
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# How many steps to go full min-max spectrum
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color_steps: "{{ full_rotate_step_count * 3 | int }}"
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color_delta: "{{ (trigger.event.data.params.step_size | float(0) / color_steps) * (max_color - min_color) }}"
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# loop when reached max or min
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next_color: >
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{%- set val = states(color_tracker) | float(0) -%}
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{%- set delta = color_delta -%}
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{%- if not positive -%}
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{%- set delta = delta * -1 -%}
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{%- endif -%}
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{%- set val = val + delta | int -%}
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{%- if positive and val > max_color -%}
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{%- set val = val % max_color -%}
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{%- elif not positive and val < min_color -%}
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{%- set diff = min_color - val -%}
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{%- set val = max_color - (diff % max_color) -%}
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{%- endif -%}
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{{ val | int }}
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trigger:
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- platform: event
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event_type: zha_event
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event_data:
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device_id: !input dial
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action:
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# Process current event
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- choose:
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# If event was a dial turn
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- conditions:
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- condition: template
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value_template: "{{ trigger.event.data.command == 'step' }}"
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alias: Dial turned (0 for right, 1 for left)
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sequence:
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# Process different actions based on current mode
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- choose:
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# In Mode 1 (don't do anything; prevent accidental knob rotation)
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- conditions:
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- condition: template
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value_template: "{{ current_mode == 1 }}"
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alias: In Mode 1 (Power)
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sequence: []
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# In Mode 2 (Brightness)
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- conditions:
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- condition: template
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value_template: "{{ current_mode == 2 }}"
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alias: In Mode 2 (Brightness)
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sequence:
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- service: input_number.set_value
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entity_id: !input brightness_tracker
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data:
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value: "{{ next_brightness }}"
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alias: Update brightness tracker
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- service: light.turn_on
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data:
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brightness: "{{ states(brightness_tracker) | int }}"
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target:
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entity_id: !input light
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alias: Change light brightness
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# In Mode 3 (Hue)
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- conditions:
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- condition: template
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value_template: "{{ current_mode == 3 }}"
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alias: In Mode 3 (Hue)
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sequence:
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- service: input_number.set_value
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entity_id: !input hue_tracker
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data:
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value: "{{ next_hue }}"
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alias: Update hue tracker
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- service: light.turn_on
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data:
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kelvin: "{{ states(hue_tracker) | int }}"
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target:
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entity_id: !input light
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alias: Change light hue
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# In Mode 4 (Color)
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- conditions:
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- condition: template
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value_template: "{{ current_mode == 4 }}"
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alias: In Mode 4 (Color)
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sequence:
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- service: input_number.set_value
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entity_id: !input color_tracker
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data:
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value: "{{ next_color }}"
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alias: Update color tracker
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- service: light.turn_on
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data:
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# Calculate RGB codes based on 0-1535 index (max 2 channels, one always off)
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rgb_color: >
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{%- set r = 0 -%}
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{%- set g = 0 -%}
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{%- set b = 0 -%}
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{%- set index = states(color_tracker) | int -%}
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{%- if index > 0 and index <= 256 -%}
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{%- set r = 255 -%}
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{%- set g = index -%}
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{%- set b = 0 -%}
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{%- elif index > 256 and index <= 512 -%}
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{%- set r = 512 - index -%}
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{%- set g = 255 -%}
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{%- set b = 0 -%}
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{%- elif index > 512 and index <= 768 -%}
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{%- set r = 0 -%}
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{%- set g = 255 -%}
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{%- set b = index - 512 -%}
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{%- elif index > 768 and index <= 1024 -%}
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{%- set r = 0 -%}
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{%- set g = 1024 - index -%}
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{%- set b = 255 -%}
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{%- elif index > 1024 and index <= 1280 -%}
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{%- set r = index - 1024 -%}
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{%- set g = 0 -%}
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{%- set b = 255 -%}
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{%- elif index > 1280 and index <= 1536 -%}
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{%- set r = 255 -%}
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{%- set g = 0 -%}
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{%- set b = 1536 - index -%}
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{%- endif -%}
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{%- set r = r | string -%}
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{%- set g = g | string -%}
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{%- set b = b | string -%}
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{{ r + "," + g + "," + b }}
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target:
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entity_id: !input light
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alias: Change light color
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alias: Determine action based on mode
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# If event was a dial button short push
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- conditions:
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- condition: template
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value_template: "{{ trigger.event.data.command == 'toggle' }}"
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sequence:
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# Change mode (cycling back if reached the end)
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- service: input_number.set_value
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entity_id: !input mode_tracker
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data:
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value: "{{ next_mode }}"
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alias: Switch to next mode
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# If event was a dial button long press
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- conditions:
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- condition: template
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value_template: "{{ trigger.event.data.command == 'move_saturation' }}" # dumb: https://github.com/zigpy/zha-device-handlers/blob/92c9fbc6d01a5d86f78d64183302b906aa7d8215/zhaquirks/tuya/ts004f.py#L146C37-L146C37
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sequence:
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# Toggle light power
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- service: light.toggle
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data: {}
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target:
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entity_id: !input light
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alias: Toggle light power
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