I have a COB LED 50W Lamp Light 12V Circular LED Bulb powered by a 12V battery. I also have a ARDUINO MEGA 2560 (if needed).
I would like to linearly increase the intensity through the COB LED with variable programmable time steps. This is used to simulate the sun rising light from dawn so i can't use PWM technics, just analogical. I can handle the programming but i need some help to figure out the hardware.
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Yes you can use PWM and it is almost exclusively used for LED dimming. Simulating a sunrise using PWM is simple if you use the Mega. I can provide you with a simple wiring diagram and some sample code. Regards, Jim