Hi, I want to build light that always turns on in strobe mode. Like this http://www.candlepowerforums.com/vb/showthread.php?356772-Police-Study-of-tactical-use-of-Strobe http://www.knivesandtools.co.uk/en/pt/-eden-tdl-20-tactical-torch.htm I need driver with this function, but I can't find any. Can anyone help?