LCD Experiments

After completing the LCD project, test yourself by trying these experiments.

1 To change the brightness of the LCD, replace the 150 Ω resistor that is connected to pin 3 (Vo) of the LCD with a 10K Ω potentiometer.
Connect the center leg of the potentiometer to pin 3 (Vo) of the LCD.
Connect one end leg of the potentiometer to 5V
Connect the second end leg of the potentiometer to GND
2 Write a text message on both lines.
3 Write a scrolling text message.