LED Voltage & Current Control Module - Tough To Beat
http://www.buyincoins.com/item/48725.html#.VTssuPA5ngY From China. No shipping / No tax $5.59 U.S.D.
Forum Discussion
A converter with functionality, no RFI, a meter, and the cost is less than a guy can buy the parts. What's not to like about that! Oh, I know, it's made behind the Great Wall--grrrr. Just kidding.
