Originally posted by Chris Hightower:
It depends on the voltage rating of the LED's. If they can handle 3V a piece, you can run them in series. And, YES it does matter which side is anode and which is cathode. they all need to be facing the same way.
[b] -|>|- -|>|- -|>|- -|>|-
If one is switched, no voltage will pass through them.
If the LED's aren't rated for 3V or more, you will pop them.[/b]
what would you do if they werent rated 3V each?..
or if they were.. say you only wanted to run 2, that would be 6V total.. so then what would you do?
