Setup LCD 16x2

#include <LiquidCrystal.h>

// initialize the library with the numbers of the interface pins

LiquidCrystal lcd(8, 7, 6, 5, 4, 3);//order number : RS,EN,D4,D5,D6,D7

void setup() {

// set up the LCD’s number of columns and rows:

lcd.begin(16, 2);

// Print a message to the LCD.

lcd.print(“hello, world!”);


void loop() {

// set the cursor to column 0, line 1

// (note: line 1 is the second row, since counting begins with 0):

lcd.setCursor(0, 1);

// print the number of seconds since reset:

lcd.print(millis() / 1000);


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