Instructables

How can you tell what is the anode and cathode on a tri-color LED--it has 4 leads?

its this LED here

also what is the best way to hook it up
www.radioshack.com/product/index.jsp



Marsh5 years ago
 In short, the long lead is the anode. The other three are the cathodes. One for each color.
Re-design5 years ago
THis data sheet tells you the connections.