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Surge Protected Cheap Transformerless Hi-Watt LED Driver Circuit

Last Updated on January 2, 2024 by Swagatam 114 Comments

The increased number of complaints from the readers regarding burning LEDs associated with my earlier posted transformerless 1 watt LED driver circuit, compelled me to solve the issue once for all. The power supply section of the circuit discussed here remains exactly identical to the previous configuration, except the inclusion of the “switch ON delay […]

Filed Under: Power Supply Circuits Tagged With: Cheap, LED, Protected, Surge, Transformerless, Watt

Battery Over Charge Protected Emergency Lamp Circuit

Last Updated on January 2, 2024 by Swagatam 126 Comments

The following LED emergency light with battery over charge protection feature circuit was designed by me in response to the request sent by PP. Main Features In this article I have explained an LED emergency light circuit with advanced features such as, over charge battery cut off, day time auto-disable, and need less to say […]

Filed Under: Lamps and Lights Tagged With: Battery, Charge, Emergency, Lamp, Over, Protected

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