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LCD Keypad Shield for Arduino Uno/Mega


Rs.300

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Warranty : None

Model : RKI-3204
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This is a 16x2 LCD and Keypad shield for Arduino Uno, Diecimila, Duemilanove and Freeduino boards.


Specifications

  • Blue Backlight with white words
  • uses 4 Bit Arduino LCD Library
  • Left, Right, Up, Down and Select buttons
  • Screen contrast adjustment
  • Arduino Reset button

The board uses different pins to the Arduino example sketches, so to make the display work, use the following sequence of pins when starting the library:

LiquidCrystal lcd(8,9,4,5,6,7); 
 

The buttons are connected to only one analog input pin through resistors to give a different voltage for each button, thus saving on input/output pins. Reading the buttons is easy and example code is shown below

Pin Connections

Pin Function
Analog 0 Buttons (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
  • Model : RKI-3204


LCD Keypad Shield for Arduino Uno/Mega
Rs. 300 In Stock
This is a 16x2 LCD and Keypad shield for Arduino Uno, Diecimila, Duemilanove and Freeduino boards. Specifications Blue Backlight with white words use
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Disclaimer : Actual product may vary from the product photograph displayed above. Photograph just for reference.


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