  * - LCD Cathode to ground
  * - ----
  * - some analog input to Arduino pin A1 (unconnected also works)
- * - some analog input to Arduino pin A2 (unconnected also works)
  *
  * Created July 24, 2016
  * by Vasil Kalchev

 * LiquidMenu library - hello_menu.ino
 *
 * This is the get started example demonstrating how to create
 * a menu of 2 screens with dynamically changing information.
 *
 * The circuit:
 * https://github.com/VasilKalchev/LiquidMenu/blob/master/examples/hello_menu/hello_menu.png

}

void loop() {
  // Periodic reading of the analog pin.
  if (millis() - lastMs_check > period_check) {
    lastMs_check = millis();
    analogReading = analogRead(analogPin);
    /*
     * Check if the analog value have changed
     * and update the display if it has.
     */
    if (analogReading != lastAnalogReading) {
      lastAnalogReading = analogReading;
      menu.update();
    }
  }

  // Periodic switching to the next screen.
