A work colleague showed me this site today. I haven't had a good look through it yet , but the link goes straight to a LED wiz.
For some of the less knowledgable people out there it might come in handy. http://led.linear1.org/led.wiz
Dave
For some of the less knowledgable people out there it might come in handy. http://led.linear1.org/led.wiz
Dave