I am planning to hold 15 minute classes at a venue which has an LCD projector. Most will be for laymen on science. In the area of EE I would like to show the operation of various circuit components. Any suggestions on (free) visual circuit simulation ? Thanks AGSC -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist