Buy Keypad Shield LCD1602 For Arduino 1602 LCD Display ATMEGA328 ATMEGA2560 For Raspberry Pi UNO R3 Blue Screen Blacklight Module at affordable prices — free shipping, real reviews with photos — Joom
For A2. Pin mapping on schematic | Lcd keypad shield, Arduino, Arduino lcd
1602 LCD Board Keypad Shield Blue Backlight Arduino UNO Mega2560 HD44780 Display | eBay