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Teardown: A19 LED bulb - EDN
power supply - A 1USD 11W led bulb circuit and parts analysis - Electrical Engineering Stack Exchange
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3 Best LED Bulb Circuits you can Make at Home | Homemade Circuit Projects
230V LED Lamp Circuit
230V LED Lamp Circuit
A simple LED lamp circuit from scrap. Uses 5 LED and takes only 50 mA
3 Best LED Bulb Circuits you can Make at Home | Homemade Circuit Projects
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