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this post was submitted on 03 Nov 2023
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Asklemmy
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Holy shit I never thought about what's inside an LED bulb past the LEDs themselves.
It's an AC to DC step down voltage regulator and then a multi channel constant current regulator to drive the led and the current setting is changed by a microcontroller which usually has a Bluetooth or ZigBee or ism/315/433/915 MHz or infrared transceiver for communication with your phone / remote