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1. Don Romano (alt) (thor@noagendasocial.com)'s status on Wednesday, 01-May-2019 07:08:55 EDT Don Romano (alt)

   My ambient daylight dependent smart light software + sensor wouldn't need calibration anymore, and could potentially work with all smart lights, if I just had an XYZ sensor outdoors, or in the window, and another one pointing at one of the light bulbs in the system. I suppose what I could do, to spare myself the need for constantly using two sensors, is to run through a first-time calibration routine that cycles all the colours.

   1. Don Romano (alt) (thor@noagendasocial.com)'s status on Wednesday, 01-May-2019 07:18:48 EDT Don Romano (alt)

      in reply to

      If I wanted to turn this system into a product, I suppose what I could do is cycle the most popular smart bulbs on the market through the full CIE xy range of visible colours with an XYZ sensor pointing at them in order to create colour calibration profiles for them, and then just publish a list of compatible bulbs.

      It tempts me a bit to eliminate the first-party hub from the system and just make my own hub. IKEA and Philips Hue both use variants of ZigBee, and you can buy ZigBee modules.