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DFRobot LCD Shield for Arduino

View DFR0009: LCD Shield for Arduino 16 Character X 2 Line HD44780 Compatible LCD

DFR0009: LCD Shield for Arduino 16 Character X 2 Line HD44780 Compatible LCD

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Jameco Part no. 2144411
Manufacturer DFROBOT
Manufacturer no. DFR0009
Catalog 152 , page 144
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25+ $13.49
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DFRobot LCD Shield for Arduino

This is a very popular LCD Keypad shield for Arduino and other variants. It includes a 2x16 character LCD display and six momentary push buttons. Pins 4, 5, 6, 7, 8, 9 and 10 are used to interface with the LCD. Just one Analog Pin 0 is used to read the five pushbuttons. The LCD shield supports contrast adjustment and back-light on/off functions and has an LED to indicate power on. It also breaks out five analog pins with DFRobot color code for easy analog sensor plugging and display.

This design is great since it easily lets you connect sensors to the rest of the pins, or use it for monitoring or menu selection with the push buttons even for gaming. Often project applications require testing or debugging. Displaying information right away is helpful on most occasions when a computer is not at reach. If you are planning to build something not attached to a computer and you need to check what's going on when you place it on position, this addition will prove very valuable to make sure the program is running well.

The used LCD pins are not exposed on top side of the board leaving only the unused ones. This eliminates conflicts with the LCD. This design includes a APC / Bluetooth v3 socket to enable data transmission with your robot.


  • 16 character x 2 line HD44780 compatible LCD
  • Uses Arduino LCD4Bit library
  • White character & Blue backlight
  • No soldering necessary


  • Operating Voltage: 5V
  • 5 Push buttons to supply a custom menu control panel
  • RST button for resetting Arduino program
  • Integrate a potentiometer for adjusting the backlight
  • Pin used:
        ·D4-D7 -> LCD Data transmission
        ·D8 -> Reset pin
        ·D9 -> Enable pin
        ·D10 -> Backlight control
  • APC&BT pin header for connecting wireless devices, directly compatible with:
        ·APC220 Radio Communication Module
        ·DFRobot Bluetooth V3
  • Expanded available I/O pins
  • Expanded Analog Pinout with standard DFRobot configuration for fast sensor extension
  • Dimension: 80 x 58 mm

    Resources & Downloads

  • LCD Keypad Library (A modified library with a sample game. Submitted by Fj604)
  • Key Grabber Library v2 (Submitted by ecefixer )
  • Wiki Doc
  • Product Dimensions
  • Layout
  • LiquidCrystal Library information
  • LCDKeypad Shield v1.1 Schematic

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