How to control white channel of RGBW bulb

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Not sure why anyone hasn’t mentioned this before, but Hass.io includes the facility to change the properties of existing lights. I also have the Qubino RGBW dimmer, and couldn’t control the level of the white channel, but this fixed it.

  1. Make sure you have Advanced Customisation enabled in your HA profile page
  2. In Configuration > Customisation, select your RGBW dimmer.
  3. There should be a “supported_features” attribute, which is a bit field. For a light, these features are
SUPPORT_BRIGHTNESS = 1
SUPPORT_COLOR_TEMP = 2
SUPPORT_EFFECT = 4
SUPPORT_FLASH = 8
SUPPORT_COLOR = 16
SUPPORT_TRANSITION = 32
SUPPORT_WHITE_VALUE = 128

In my case the value was 49 (1+16+32, or brightness+color+transition), so I changed the value to 177 (1+16+32+128) to include white_value.

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