> I'm not aware of any PICs that can swing their outputs more than 5V They can if Vdd > 5V. I've not run PICs to the abs max, which can be as high as 7.5V, maybe more, but do often use a Vdd of 5.12 or 5.6 And what Byron said Joe ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2016.0.7996 / Virus Database: 4749/13765 - 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 .