of course @Oosti ... the example I provided is the basic idea of how to detect the light levels with
of course @Oosti ... the example I provided is the basic idea of how to detect the light levels with a simple photoresistor... (plenty of other sensors that do the same) ... once you understand the simple circuit... you can graduate to something like this:
https://www.electronics-lab.com/project/arduino-solar-day-night-controller/
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