> Solenoid current will circulate while decaying exponentially. Accross a resistor, yes. It will decay pretty much linearly accross a diode because of the "constant" voltage. ***************************************************************** Embed Inc, embedded system specialists in Littleton Massachusetts (978) 742-9014, http://www.embedinc.com -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics