On Friday 05 August 2005 02:54 pm, Wouter van Ooijen scribbled: > > To keep the whole thing relatively small and low-cost, the > > good old generic > > LM317 comes to mind, but the question is how to set up a > > single LM317 for > > dual current levels. > > don't, those things are dirt cheap. use two :) See, I was afraid that everyone was gonna say this, but was hoping the simple arrangement I came up with would be smaller/simpler. But I'm getting convinced to just do the 2 LM317's now that I also found out that they're available in packages other than TO-3 and TO-220's. Cheers, -Neil. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist