// LCD1602 to Arduino Uno connection example

#include <LiquidCrystal.h>

void setup() {

}

void loop() {
  pinMode(13, OUTPUT);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(13, LOW);
  delay(100);

  pinMode(12, OUTPUT);
  digitalWrite(12, HIGH);
  delay(200);
  digitalWrite(12, LOW);
  delay(200);

  pinMode(11, OUTPUT);
  digitalWrite(11, HIGH);
  delay(200);
  digitalWrite(11, LOW);
  delay(200);

  pinMode(10, OUTPUT);
  digitalWrite(10, HIGH);
  delay(200);
  digitalWrite(10, LOW);
  delay(200);

  pinMode(9, OUTPUT);
  digitalWrite(9, HIGH);
  delay(200);
  digitalWrite(9, LOW);
  delay(200);
}