USB LED Lamp Circuit 5v USB Light for Laptop
Here is the simple USB LED Light circuit diagram and its working. It produces an output of 5v. It may be used as emergency light and also as a reading lamp.
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USB LED Lamp Circuit 5v USB Light for Laptop
* LEDs Quantities:12LEDS * this 12leds type is Connectable,can be superimposed and increase brightness. * Compatible Device: USB device / power bank /
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USB LED Lamp - 5v USB Light for Laptop