Marino

This is good news. You may have identified the problem.

Can you please send me a HEX example of how to Clear the screen and the display HELLO using the proper Start Condition and Stop Conditions.

I just want to make sure I fully understand.

Many Thanks. Bob

Martino:

I currently have a 2 second delay after power up and before I write the first command to the display. Are you suggesting inserting a delay before each data byte is sent or just before each command?

for example:

Clear Screen and then Print HELLO

0x50 0xFE 0x58 (DELAY) 0x50 0x48 0x45 0x4C ...

Hi Martino:

Thanks for your reply. The random character always seems to be the same character (see attached photos). The display seems to properly execute all commands sent to it.

I have attached three photos. The first shows the random character after a colon.......this may occur in one our of ...

I also am having problems with the LCD0821 intermittently displaying a random unrecognizable character. I am using the display in I2C mode with a PIC microcontroller.

After power us the MO character is displayed. Sometimes a random charter is displayed on this screen a second or two after power up ...