In SX Microcontrollers, SX/B Compiler and SX-Key Tool, bean wrote: TAC, The SX can provide the pulses for the pump and LEDs, but what are you going to use the drive them ? You'll need a power transistor or a FET or something since the SX cannot supply enough current to drive either of them. Bean. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=143622#m144642 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)