Quote Originally Posted by overkill View Post
I use a regulator like this to run a LED off a high voltage pack: http://uk.rs-online.com/web/p/switch...ators/7398297/. Just add a small dropping resistor and maybe a capacitor on the output side. I think Recom makes a 1/2 amp regulator in a smaller pack.
Looks like that will work for Binky, since she max's at 42V. C3 may need a 2 stage reduction to get to the necessary 12V: One regulator then a resistor.