#include <Stepper.h>
#define button1 6
#define button2 7

const int stepsPerRevolution = 200;  // change this to fit the number of steps per revolution
                                     // for 1.8 degree step angle 200 will maximum

// initialize the stepper library on pins 8 through 11:
Stepper myStepper(stepsPerRevolution, 8, 9, 10, 11);      // L298n port IA IB IC ID accordingly

void setup() {
  pinMode(button1, INPUT_PULLUP); // Input pulse to arduino by pressing button 1
  pinMode(button2, INPUT_PULLUP); // Input pulse to arduino by pressing button 2
  myStepper.setSpeed(60); // RPM, 60 Rotation per minute
}

void loop() { 
  if (digitalRead(button1) == LOW || digitalRead(button2) == LOW) { // If no key is pressed
  }
    
  if (digitalRead(button1) == LOW && digitalRead(button2) == HIGH) { // if one is idle (L) and the other one (R) key pressed
    myStepper.step(stepsPerRevolution); // Stepper motor rotates CW (Clockwise)
    delayMicroseconds(100); // pause time after per steps 100u seconds = 0.1 mili seconds
  }
  else if (digitalRead(button1) == HIGH && digitalRead(button2) == LOW) { // if other one (R) is idle and the one (L) key pressed
    myStepper.step(-stepsPerRevolution);  // Stepper motor rotates CCW (Anticlockwise)
    delayMicroseconds(100); // pause time after per steps 100u seconds = 0.1 mili seconds
  }
}