Description:
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. Used in conjunction.
Module debugging:
1.The LCD Keypad Shield for controller plugged,Then you need to download LCD4Bit_mod.h library file to -0015 \ hardware \ libraries.
2.Then compile the following test program will be downloaded.
3.Initial use LCD Keypad Shield, the first observation LCD has no display characters, characters may be displayed if there is no contrast is not correct, you can use the screwdriver adjust RP1 (clockwise rotation), characters can be transferred to emerge clearly.

Features:
1. This is a basic 16 character by 2 line display.
2. Utilizes the extremely common HD44780 parallel interface chipset.
3. Interface code is freely available.
4. Blue Backlight with white words.
5. Uses 4 Bit for LCD Library.

Specifications:
Condition: 100% Brand New
Size: Approx. 8 * 6 * 2.2 cm / 3.1 * 2.3 * 0.8 in
Weight: Approx. 54 g

Package  Included:
1 x LCD 1602 Display Module

Notes:
1.Please allow 1-3 cm error due to manual measurement. Thanks for your understanding.
2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.