In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: At my work we use a DG535DJ it will switch between 16 different sources using just 4 pins. For 8 sources you would only need 3 pin. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=96620#m96630 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2005 (http://www.dotNetBB.com)