Stepper Motor

#include <Stepper.h>

const int stepsPerRevolution = 1024;  // change this to fit the number of steps per revolution
int command;
int distance;
// ULN2003 Motor Driver Pins
#define IN1 19
#define IN2 18
#define IN3 5
#define IN4 17

// initialize the stepper library
Stepper myStepper(stepsPerRevolution, IN1, IN3, IN2, IN4);

void setup() {

  pinMode(16,INPUT_PULLUP);
  pinMode(4,INPUT_PULLUP);
  
  // set the speed at 5 rpm
  myStepper.setSpeed(30);
  // initialize the serial port
  Serial.begin(115200);
}

void loop() {

  if(Serial.available()) // if there is data comming
  {
    Serial.println("Please enter number between 1 to 9");
    command = Serial.read()-48; 
    distance = command*100;
    delay(100);
  }


  if(digitalRead(16)==HIGH)
  {
    Serial.println("clockwise button pressed");
    myStepper.step(distance);
    delay(1000);
  }


  
  if(digitalRead(4)==LOW)
  {
    Serial.println("counterclockwise button pressed");
    myStepper.step(-distance);
    delay(1000);
  }

}          

Quick Steps

• power up your board
• Open Arduino IDE
• Select the right board
• Select the right port
• Copy the above code and open with Arduino IDE
• Click Upload button on Arduino IDE to upload code to ESP32

• Press and keep pressing the button several seconds
• See the changes you made