> >You are sort of asking the wrong question. The current won't (to a first order) >affect the flicker, it affects the brightness. The mux rate >affects the flicker- you should refresh the whole display at a couple >of hundred Hz minimum, more if it is a high vibration environment (such >as the cockpit of a race car) Interesting application for "self scanning" :) -- 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