Blue 16x2 (1602 / HD44780) LCD Screen Keypad Shield for Arduino UNO, MEGA 2560
Blue 16x2 (1602) LCD Screen Keypad Shield for use with Arduino UNO, MEGA 2560 etc.
This is a very popular LCD Keypad shield for Arduino and other variants. It includes a 2x16 LCD display and 6 momentary push buttons which allow you move through menus and make selections straight from one board attached to your Arduino project.
Pins 4, 5, 6, 7, 8, 9 and 10 are uséd to interface with the LCD.
Just one Analog Pin 0 is uséd to read the push buttons.
The LCD shield supports contrast adjustment and back-lit on/off functions and also contains an onboard LED power indicator.
Pin allocation :
Analog 0: Button (select, up, right, down and left)
Digital 4: DB4
Digital 5: DB5
Digital 6: DB6
Digital 7: DB7
Digital 8: RS (Data or Signal Display Selection)
Digital 9: Enable
Digital 10: Backlit Control