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  • LCD 1602 Keypad Shield
    • i i
    • images/l/2014022710853_1.jpg images/l/2014022710853_1.jpg
    • images/l/2014022710853_2.jpg images/l/2014022710853_2.jpg
    • images/l/2014022710853_3.jpg images/l/2014022710853_3.jpg
    • images/l/2014022710853_4.jpg images/l/2014022710853_4.jpg
LCD 1602 Keypad Shield


Shipping Weight:82g


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This is a 16x2 LCD Keypad module for ARDUINO / Arduino Diecimila Duemilanove  board. Uses HD44780 Yellow 1602 LCD, uses 4 Bit Arduino LCD Library.

Modified LCD4Bit Interface -- To preserve the SPI port for future use, the Digital IO pins DB7-10 and pin11 & pin 12 used in the original LCD4Bit library have been moved to DB4-7 and pin 8 & pin 9 respectively.

Joystick-Style Keypad -- To save the precious digital I/O pin resource. The Joystick style keypad only uses ONE A/D channel – AD0. The 5 pushbuttons are connected to AD0 via a 5-stage resistor voltage divider, please refer to the schematic for details.

LCD4Bit_mod Library --

Download the Modified LCD4Bit library HERE

Unzip the library inside arduino-0010/hardware/libraries/

Start the Arduino IDE and import the LCD4Bit_mod library.

You might run the example LCD4Bit_modExample.pde to test the LCD and the Joystick style Keypad


Please refer to:

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  • Juan Inofuentes | 01/29/2016

    No funciona el Link de las librerias.

    • Quentin Qiu | 02/01/2016

      Hi, is this Spanish? I'm sorry for not understanding it. Would you like to write in English?

      • Nestor Martinez | 04/27/2016

        Yes Quentin, Juan tolds you (in Spanish) the LCD4bit library link does not work. Another question is this shield compartible with Arduino UNO R3? I ask you this becose the do not have the same number of pins. I wait for your response, and also to clarify the correct link to download the LCD4bit library. Thanks

        • Quentin Qiu | 04/29/2016

          Hi, thank you for your translation. The link is Ok now. It is compatible with Arduino UNO R3.