16+ Anoda Katoda Led Pics. A cathode is an electrode from which the current exits a polarized electrical device while an anode is the electrode. When you purchase an led … longer leg is anode.
Anoda je pozitivna elektroda dok je katoda negativna.
While referring to any schematic involving led's we sometimes. I know its tooooo trivial but still … method 1: I have a common anode rgb led hooked up to a digital output pin on an arduino. Leds are diodes and will only allow electrical current flow in one direction from the anode (+) to the cathode (