2/13/2023 0 Comments Led cathode anodeIn simple words you are free to remix, tweak, and build upon this work, use images and photographs published here as stock images for your blog or websites, even for commercial purposes, as long as you mention credits (by providing a link) to this page or site, clearly and unambiguously, in your work and license your new creations under the identical terms. All the content (articles, and images) on this Blog are licensed under Creative Commons Attribution-ShareAlike License (Unless otherwise specified).…and this will be True for almost all LEDs that you purchase from general retail electronic shops. That’s the cathode !!!! and other one is anode. You will find, on one side, this ring is flat.Look at the border ring which is slightly projected out.Take LED in your hand and look carefully at the place where leads go into LED.What if you feel (like me □ ) this method is also too boring and time consuming … If you get some reading on DMM, then lead connected to COM is cathode and other one is anode.Connect one lead of LED to COM probe of DMM and another to RED probe.Take multimeter and keep it on Diode testing mode. What if you don’t have breadboard or you are too lazy (like me □ ) to do this testing … If LED glows, lead connected to VCC is anode and other one is cathode. Take one resistor between any value between 100Ohm to 500Ohm and connect it in series with the LED on bread board.What if you have cut the two leads to same length ? read on … When you purchase an LED … longer leg is anode while shorter leg is cathode. How you can determine anode and cathode of LED?
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