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LED’s, What resistor do I need?


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Flatlandfreak 
Copper - Posts: 48
Copper spacespace
Joined: January 04, 2005
Location: United States
Posted: March 30, 2006 at 8:22 AM / IP Logged  
I have 2 3.5 Volt L.E.D.s in series.  What size resistor do I need?  For one it's 470-ohm right?  So for 2 I would need a 230-ohm?
I Like Peanut Butter!
prophesybh 
Copper - Posts: 78
Copper spacespace
Joined: July 04, 2005
Location: United States
Posted: March 30, 2006 at 6:08 PM / IP Logged  
http://led.linear1.org/1led.wiz here's a calculator for led's
Don't Ask Questions When You Already Know The Answer!!!
Black Dak 
Copper - Posts: 50
Copper spacespace
Joined: January 22, 2005
Posted: April 30, 2006 at 2:58 AM / IP Logged  
Thanks for posting that link, it was exactly what I was looking for!
prophesybh 
Copper - Posts: 78
Copper spacespace
Joined: July 04, 2005
Location: United States
Posted: April 30, 2006 at 12:57 PM / IP Logged  

Ain't no thing but a chicken wing

Don't Ask Questions When You Already Know The Answer!!!

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