This is hello world poject for the LCD on Arduino.
- LCD RS pin to digital pin 2
- LCD Enable pin to digital pin3
- LCD D4 pin to digital pin4
- LCD D5 pin to digital pin5
- LCD D6 pin to digital pin6
- LCD D7 pin to digital pin 7
LCD Vss and RW pin will be connected to ground.
Code:
#include <LiquidCrystal.h> // include the library code:
LiquidCrystal lcd(2, 3, 4,5 , 6, 7); // initialize the LCD with the numbers of the interface pins
// lcd(RS, Enable,D4,D5,D6,D7)
void setup() {
lcd.begin(16, 2); // set up the LCD's number of columns and rows:
lcd.print("mahabub's note"); // Print a message to the LCD.
}
void loop()
{
lcd.setCursor(6, 1); // set the cursor to column 6, line 1
// (note: line 1 is the second row, since counting begins with 0):
lcd.print(millis() / 1000); // print the number of seconds
}
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