Submitted by RakeshRon on Tue, 12/20/2011 - 05:01
How to Identify the polarity (cathode/anode) of a LED , How to identity the -ve and +ve (cathode anode)polarity of a LED without using multimeter.LED's or Light Emitting Diode's don’t come with any labeling on it to identify Cathode(-ve,GND) or Anode(+ve).So for identification , led’s comes with a unique way to identify its terminals as Anode or Cathode.