stepper_drawing_machine.cpp

#include <Stepper.h>

#define STEPS 600

Stepper stepper1(STEPS, 11, 10, 9, 8);
Stepper stepper2(STEPS, 7, 6, 5, 4 );

int xKnob = 0;
int yKnob = 1;

int prevXValue = 0;
int prevYValue = 0;

void setup(){
  
  Serial.begin(9600);
  prevXValue = analogRead(xKnob);
  prevYValue = analogRead(yKnob);
  
  stepper1.setSpeed(30);
  stepper2.setSpeed(30);
}

void loop(){
  int newXValue = analogRead(xKnob);
  int newYValue = analogRead(yKnob);
  
  if((newXValue > prevXValue) || newXValue > 1020){
    stepper1.step(-1);
  } else if((newXValue < prevXValue) || newXValue < 2){
    stepper1.step(1);
  }
  
  
  if((newYValue > prevYValue) || newYValue > 1020){
    stepper2.step(-1);
  } else if((newYValue < prevYValue)  || newYValue < 2){

    stepper2.step(1);
  }
  
  prevXValue = newXValue;
  prevYValue = newYValue;
}