Help needed with how to automate a dusk to dawn colour temperature and intensity change

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and one more, allowing full control over transition over time:

Circadian/Adaptive Lighting NodeRed

Hello all I would like to share with you my implementation of circadian/adaptive lighting. It’s done with the use of NodeRed and some custom NR nodes. The article consists of several parts: Motivation Circadian implementation Feeding lights implementation Maximum light mode implementation Please note, while Circadian implementation is pretty universal, the way of controlling lights described in points #3 and #4 is strictly dependent on used components. Article considers using Shelly Dimmer …