In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bennettdan wrote: GAF, I though the primary voltage on the ignition coil was still just 12vdc then is raised that is what the coil is for so you just switch the 12vdc with a PWM signal and the ignition coil will fire? Can you explain the 500v you are talking about in more detail? ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=3&m=192262#m193911 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)