Cahracter LCD 128×64

LCD12864 LCD screen display module with green backlight

You can try to use the serial port or parallel port, if you need to be fixed, you can try JP2 and S or JP2 and P connection, these three places can not be connected at the same time, can only choose one of them.
Note: The function of the back adjustable resistor is to adjust the contrast of the LCD screen.
Please refer to the picture for details.