In SX Microcontrollers, SX/B Compiler and SX-Key Tool, pmrobert wrote: It probably depends on the specs of the regulator on the protoboard. Vehicle power is typically very dirty with a lot of fairly severe transients. -Mike ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=435264#m435280 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2010 (http://www.dotNetBB.com)