David, I added delays and I insured that the rs and rw lines were set=20 correctly. Still no good. I just don't know. Thanks, rich! On 10/22/2015 9:54 PM, David Duffy (AVD) wrote: > If the commands work but the data doesn't, I would guess that LCD_rs is > really not going high or you need a small delay (20uS for example) after > changing LCD_rs. Add the delay to both the data and command routines. > David... > --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .