Let me answer this one myself: the AVR code for the Butterfly has a decent state machine driven menu. It's very small and well written. http://www.atmel.com/dyn/resources/prod_documents/AVR_Butterfly_application_rev06.zip Gabe --- In , "ggindele" <ggindele@y...> wrote: > > I wonder if there's a simeple open source menu for a HD44780 style LCD > and 4 buttons. > > Cheers, > Gabe |