step_lcd

//Stepper library
#include <Stepper.h>
//LCD libraray
#include <LiquidCrystal.h>

#define led 13
// initialize the library with the numbers of the interface pins
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
// koraka po punom krugu
const int stepsPerRevolution = 200;
// Step motor se spaja na pinove
Stepper myStepper(stepsPerRevolution, 7,8,9,10);
// varijabla za trenutne korake
int stepCount = 0;

void setup() {
  pinMode(A1, INPUT);
  // Postavke LCD-a
  lcd.begin(16, 2);
  // Print a message to the LCD.
  lcd.print("Test koračnog motora!");
}

void loop() {
  // pročitaj vrijednost potenciometra
  int sensorReading = analogRead(A0);
  // pretvori vrijednost potenciometra u brzinu
  int motorSpeed = map(sensorReading, 0, 1023, 0, 100);
  // postavi brzinu motora
  if (motorSpeed > 0) {
  myStepper.setSpeed(motorSpeed);
   //Postavi smjer ovisno o prekidaču
  if(digitalRead(A1))
  {
  // step 1/100 of a revolution:
  myStepper.step(stepsPerRevolution/100);
  }
  else
  {
  // step 1/100 of a revolution:
  myStepper.step(-(stepsPerRevolution/100));
  }
  }
  // set the cursor to column 0, line 1
  // (note: line 1 is the second row, since counting begins with 0):
  lcd.setCursor(0, 1);
  // ispiši brzinu motora
  lcd.print(motorSpeed);
}