> > You are in the right path. You can use a 74HCT or 74AHCT device powered > by 5V. Its inputs will understand the 3.3V CMOS outputs I use the HCT trick all the time! Works great! Harold --=20 FCC Rules Updated Daily at http://www.hallikainen.com - Advertising opportunities available! Not sent from an iPhone. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .