I''m a dope! LM044L datasheet
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One thing to remember is you don't blank and rewrite the whole display. You
should reposition the cursor and rewrite only the characters that change.
This will keep the flashing to a minimum.
You may also need to update the LCD at a lower rate -- maybe once per second
or slower.
Original Message
> > Anyone have a link for this 4x20 display? It uses the standard
> > hitachi controller (HD44780). Trying to find the command set for
> > writing characters. I'm displaying a temperature and its constantly
> > flashing the numbers. None of the other things I display do this
> > (including 3 other numbers in various spots). I tried changing the
> > location its displayed (line 3, line 2 etc) but the number keeps on
> > flashing. I even tried displaying F instead of C temps in case some
> > bit in the number was responsible. I'm stumped.
should reposition the cursor and rewrite only the characters that change.
This will keep the flashing to a minimum.
You may also need to update the LCD at a lower rate -- maybe once per second
or slower.
Original Message
> > Anyone have a link for this 4x20 display? It uses the standard
> > hitachi controller (HD44780). Trying to find the command set for
> > writing characters. I'm displaying a temperature and its constantly
> > flashing the numbers. None of the other things I display do this
> > (including 3 other numbers in various spots). I tried changing the
> > location its displayed (line 3, line 2 etc) but the number keeps on
> > flashing. I even tried displaying F instead of C temps in case some
> > bit in the number was responsible. I'm stumped.