you havent cleared lcd. it | Projects › Projects › JH162A LCD initialise problem with at89s52: Showing black box › you havent cleared lcd. it April 19, 2012 at 4:58 pm #7506 Mehtab AliParticipant you havent cleared lcd. it has previous data stored in it sometimes. please clear it by sending it 01 like ” lcdcmd(0x01);” also use a command “lcdcmd(0x06);” to shift the cursor to right.
