> > I would like to invite any reviews on 10x4 Optrex LCD > > DMC-50697NFU-SLY-1. Looks like it is available for $3 at EIO. www.tranzistoare.ro/datasheets/700/85226_DS.pdf It's HD44780 compatible. Negative contrast voltage is not a disadvantage, on the contrary (unless it's a very low cost product). Contrast with neg. contrast voltage is better than without ime. Peter P. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist