The resistors now are mounted by their leads between the connector and the LED and are bent to be just under the level of the potting compound. Just complicates things to do inductors off the PCB. Again, if I could fit the inductor and everything else on a board 15mm square and 6mm tall it would fit. Brian Kraut Engineering Alternatives, Inc. www.engalt.com -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]On Behalf Of Alan B. Pearce Sent: Wednesday, December 05, 2007 7:43 AM To: Microcontroller discussion list - Public. Subject: Re: [EE] Challenge II:: LED driver >The inductor is a big win in terms of efficiency, and is >probably no larger than the resistor you'd need anyway. and almost certainly no larger than the resistors the OP said were being used currently. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist