>> Can they be in parallel ? >=20 > They possibly could, but that doubles the current draw. So can you add R to reduce the brightness to serial level or double up each (eg PIC) pin ? ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2016.0.7996 / Virus Database: 4749/13769 - Release Date: 01/14/17 --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .