@zhubl posted:Well I don’t know why I had this picture but this is the lighting strip in the original 21” cars. I know it’s not a very good shot it’s old and like I said I don’t know why I have it. Put looks like it’s a standard 5V linear voltage regulator L7805CV
That is a linear regulator based supply and is basically what my little module does. My module also offers DCS compatibility and intensity adjustment capability. The only thing I left off is the supercap, I never did understand the need to keep the lights on for extended periods with no power, I just want flicker-free lighting while I'm running.