Lukas Moravek - pocitadlo

#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);

#define INTERRUPT_INPUT 2

volatile int pulse_counter = 0;
int pom_counter = -1; // Jen skrz prvni vypis nuly

void interrupt_handler()
{
  pulse_counter++;
}

void setup()
{
  lcd.init();
  lcd.backlight();
  pinMode(INTERRUPT_INPUT, INPUT_PULLUP);
  attachInterrupt(digitalPinToInterrupt(INTERRUPT_INPUT),interrupt_handler, FALLING);
}

void loop(){
  if (pom_counter!=pulse_counter)
  {
    lcd.print("PICKUP Winder");
    lcd.setCursor(5,1);
    lcd.print(pulse_counter);
    lcd.setCursor(11,1);
    lcd.print("winds");
    pom_counter=pulse_counter;
 }
}