Using a tri-color LED and three photoresistors, I gave it a try in creating a lamp that smoothly changes its colors depending on external lighting conditions.
Imagine how this could turn into a disco light show with a set of multi-LEDs system.
https://www.youtube.com/watch?v=hGdgpIkfRAE&list=UUK45PA1c_4LfHopgijrOW8w&index=2
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