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Now load the "Scroll" Example from Arduinos LiquidCrystal Library.
Change these two lines
lcd.begin(16, 2);
lcd.setCursor(0,7);
to
lcd.begin(8, 2);
lcd.setCursor(0,0);
now upload it to your Arduino or Seeduino and watch your display fire up!
You may have to adjust the potentiometer a little if you can't see anything.
As an alternative to the potentiometer you can connect the Vo pin of the LCD with any available PWM-output (I use pin 9) and add the following code in the setup() section:
pinMode(9, OUTPUT);
analogWrite(9, CONTRAST);
replace CONTRAST with the value of your choice. Values around 10-20 give a nice bright output.
Bought this display couple days ago. Hooked it up like mentionned above. Everything went well for a while and suddently someletters became gibberish. Since then, all I get is gibberish. (http://mathieucharron.com/gibberish.jpg). Sometimes (Seems random) when I unplug/plug the power couple of times, the proper text comes back but again, after a while it's gibberish. Do you think it's a sync problem? May I reduce or add a latency somewhere to prevent that? I looked everywhere on google, seems to be the only one with that particular behavior
It seems it was a simple short on my breadboard. This display rocks! :D
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