I have a project that involves a variable shunt regulator (10-15V, 200mA). It SEEMS that it should be possible to use an LM 317 or 337 wired in some manner to make this work, but I'm not seeing it. Anyone see how this might be done? Harold FCC Rules Online at http://hallikainen.com/FccRules Lighting control for theatre and television at http://www.dovesystems.com ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/tagj. -- 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