LEDs for Beginners: 9 Steps (with Pictures) Get Some LEDs. So I wasn't completely honest - I have used LEDs once or twice before for simple The LED. LEDs come in different sizes, brightnesses, voltages, colors and beam patterns, but the Power Supply. To make the power supplies I just soldered some wire onto the ends of the batteries Resistors. I opened up the assortment pack to find that resistors aren't labeled with what value they See all full list on instructables How to Wire LEDs - 101 - Wiring Single LEDs / Lighthouse LEDs How to Wire LEDs - 101 - Single LED Example + Formulas. Posted on February 11, 2019 by LighthouseLEDs There have been 0 comments. We are going to show you several ways to wire LEDs. You can use the video below to follow through this post.