scheme skema keypad shield for arduino

scheme skema keypad shield for arduino

coding example :

// include the library code:
#include 

// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(8, 9, 4, 5, 6, 7);

void setup() {
  // set up the LCD's number of columns and rows:
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.setCursor(0,0);
  lcd.print("LCD Key Shield");
  lcd.setCursor(0,1);
  lcd.print("Press Key:");
}

void loop() {
  int x;
  x = analogRead (0);
  lcd.setCursor(10,1);
  if (x < 60) {
    lcd.print ("Right ");
  }
  else if (x < 200) {
    lcd.print ("Up    ");
  }
  else if (x < 400){
    lcd.print ("Down  ");
  }
  else if (x < 600){
    lcd.print ("Left  ");
  }
  else if (x < 800){
    lcd.print ("Select");
  }
}

daftar pustaka : http://osepp.com/products/shield-arduino-compatible/16x2-lcd-display-keypad-shield/