Electrical schoolwork...

[Huw Powell]

> Or maybe if I can find some 12V LEDs, all this discussion would be a huge
> WOB...
> 
> Yeah, thinking of it, this would be the ideal solution.
> 
> Is such a LED exists? A long life, wide temp range 12V red LED?

I think I have seen 12 volt LEDs - they are made with a built-in 
dropping resistor.

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/