> I was just hoping for a decription of transistors needed and where they > have to go. i was assuming that a PNP type would be needed, but, really > I have no idea. Hi Richard, If you give just a few more details I think I could sketch something up for you (or pull something out I've done before). I got the 8V bit and true (not inverted) logic segment drive to suit your software, are the display modules common anode or common cathode, how many displays are multiplexed? Brent Brown Electronic Design Solutions 16 English Street Hamilton, New Zealand Ph/fax: +64 7 849 0069 Mobile/text: 025 334 069 eMail: brent.brown@clear.net.nz -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu