This is a basic 16 character by 2 line display.
Utilizes the extremely common HD44780 parallel interface chipset.
Interface code is freely available.
Blue Backlight with white words.
uses 4 Bit Arduino LCD Library.
Size:8cm x 5.9cm – 3.15inch x 2.32inch.
LCD Keypad Shield input and output expansion board with 2-line, 16-character LCD with contrast adjustment and backlight
Use an analog port will complete five key input, a reset button, the unused spare IO ports are extended out, take advantage of IO ports
Occupation digital ports: PIN4 (DB4), 5 (DB5), 6 (DB6), 7 (DB7), 8 (RS), 9 (E), 10 (backlight control), analog buttons port A0.