Just wondering......... Would a thermistor be fast enough to be useful for squelching a motor's in-rush current to protect the relay contacts ? Looking at some of these, perhaps a 4A or 5A low-resistance one http://www.mouser.com/ds/2/418/NG_CS_CLP00011_A_CLP00011-740539.pdf Joe ----- No virus found in this message. Checked by AVG - www.avg.com Version: 2015.0.6086 / Virus Database: 4392/10401 - Release Date: 08/08/15 --=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 .