// Stepper turn right and left
// For: https://forum.arduino.cc/t/stepper-w-2-buttons-pushed-and-potentiometer-got-stuck/1166311
// This Wokwi project: https://wokwi.com/projects/375260835477182465
// Not working code.
// I don't know what to do with the code.

// Defin pins

int button_left = 2;   // Push button for CW
int button_right = 3;  // Push button for CCW
int driverPUL = 7;     // PUL- pin
int driverDIR = 6;     // DIR- pin
int spd = A0;          // Potentiometer

// Variables

int pd = 500;          // Pulse Delay period
boolean setdir = HIGH; // Set Direction

// Interrupt Handler

void revmotor()
{
  setdir = !setdir;
}

void setup()
{
  Serial.begin(9600);
  pinMode (driverPUL, OUTPUT);
  pinMode (driverDIR, OUTPUT);
  pinMode (button_left, INPUT);
  attachInterrupt(digitalPinToInterrupt(button_left), revmotor, FALLING);
}

void loop() 
{
  int pressed = digitalRead (button_left);
  if (pressed == HIGH)
  {
    pd = map((analogRead(spd)), 0, 1023, 2000, 50);

    Serial.println("Button left");
    digitalWrite(driverDIR, LOW);
    digitalWrite(driverPUL, LOW);
    delayMicroseconds(pd);
    digitalWrite(driverDIR, HIGH);
    digitalWrite(driverPUL, HIGH);
    delayMicroseconds(pd);
  }
}