/*  Reference:
    * https://docs.arduino.cc/learn/electronics/lcd-displays
    * https://wokwi.com/arduino/projects/322062421191557714
*/
#include <LiquidCrystal.h>
#include <TinyDebug.h>

#define Serial Debug


// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(5, 4, 3, 2, 1, 0);
/* The circuit:
 * LCD RS pin to digital pin 5
 * LCD Enable pin to digital pin 4
 * LCD D4 pin to digital pin 3
 * LCD D5 pin to digital pin 2
 * LCD D6 pin to digital pin 1
 * LCD D7 pin to digital pin 0
 * LCD R/W pin to ground
 * 10K resistor:
 * ends to +5V and ground
 * wiper to LCD VO pin (pin 3)
 */

void setup() {
  Serial.begin();
  char *hello = "Hello, Wokwi!";
  Serial.println(String(hello));
  // set up the LCD's number of rows and columns: 
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print(String(hello));
}

void loop() {
  // set the cursor to column 0, line 1
  // (note: line 1 is the second row, since counting begins with 0):
  lcd.setCursor(6, 1);
  // print the number of seconds since reset:
  lcd.print(millis()/1000);
}