Hi, We are working on a lighting controller but we need some info and / or code on Zero Crossing, Phase Control and Interfacing Triacs. We would prefer code for the 16C84 but that doesnt really matter as we can convert it. Thanks from David Dobbs //////////////////////////////////////////////////////////////// /// Just to let you know we have a web page at ' http://www.innotts.co.uk/~dobbs/ ' //////////////////////////////////////////////////////////////// ///