check the rs, rw and en pin | Microcontroller › 8051 › 16×2 LCD Skipping Alphabetic Letters (b,d,f,h,j etc.) – AT89C5131A › check the rs, rw and en pin February 14, 2013 at 7:30 am #9131 Syed AameerParticipant check the rs, rw and en pin correctly set…………….