3 Ways to Find Positive and Negative on Your Led

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Introduction: 3 Ways to Find Positive and Negative on Your Led

im using a basic image of an led to show you this because all my leds were soldered to something else. There are three main ways to find which end is positve and negative on your led first there is occasionally on the base of the led a flat part which you would use to identify that as the negative end. another way is to look at the lenght of the ends occasionally they will both be the same size, but most of the time the negative end will be shorter. and finally as you can see in the picture if you look into your led you'll see the electrodes the negative one is the larger of the two. Don't get them mixed up on the inside of the led the negativ is larger on the outside the negative is shorter hope that helps :)

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Here is an image that better illustrates the flat side on the case being nearest to the negative pin and that the negative metal inside the LED plastic case is the larger than the positive. Image is public domain from Wikimedia Commons

LED,_5mm,_green_(en).jpg

heyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy

I always call the negative electrode the flag, kind of an affectionate name I guess. Nice reminder, thanks :)