Wiki
2/14/2018 LCD2004 Module - Wiki
http://wiki.sunfounder.cc/index.php?title=LCD2004_Module 5/9
Step 3: Select correct Board and Port
Step 4: Upload the sketch to the SunFounder Uno board
Experimental Phenomenon
Note: You may need to adjust the potentiometer on the LCD2004 until it can display clearly.
You should now see the characters "LCD2004", "Hello, world!", "20 cols, 4 rows" and "www.sunfounder.com" on the LCD.