led - Why transformerless power supply need a capacitor to decrease the current? - Electrical Engineering Stack Exchange
Hack an LED lamp.
Transformerless Capacitor Power Supply Design
Capacitive Dropper
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LEAP#472
circuit analysis - Capacitive dropper power supply for LED - zener/decoupling capacitor? - Electrical Engineering Stack Exchange
Capacitive Dropper
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Capacitive dropper - YouTube
Transformerless AC to DC power Supply - Daycounter
Hack an LED lamp.
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2mTD: a capacitive dropper inside a Philips LED spotlight?!
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