In SX Microcontrollers, SX/B Compiler and SX-Key Tool, nate wrote: Though somewhat wasteful of power, the cheapest and simplest way I can think of would be a simple 9V zener diode and current limiting resistor will step the voltage down to where you can use it. Nate ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=98958#m98972 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)