Simple Led Circuit With Switch. I led is the desired current through the led. This guide is directed towards absolute beginners in hobbyist electronics.
Then next connect one of the other leg with negative power from gnd. This instructable will guide how to use leds and how to make simple basic led circuits which current limiting resistor to use for operating leds with 3v 6v 9v 12v. Connect the leg of the button directly opposite to where the resistor is put to the one of the pins in the pin mode for the identification of the button.
In this video we run through and build a basic 3v led lighting circuit with a switch.
The glue should be near te middle of the led and not near the holes. As per the datasheet of the 5mm white led the forward voltage of the led is 3 6v and the forward current of the led is 30ma. Substituting these values in the above equation we can calculate the value of series resistance as. Then next connect one of the other leg with negative power from gnd.
