// Raspberry Pi Pico + Stepper Motor Example

#define DIR_PIN 2
#define STEP_PIN 3

void setup() {
  pinMode(15, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(STEP_PIN, OUTPUT);
  pinMode(DIR_PIN, OUTPUT);
  digitalWrite(STEP_PIN, LOW);
}

void loop() {
  digitalWrite(DIR_PIN, HIGH);
  for (int i = 0; i < 25; i++) {

      digitalWrite(STEP_PIN, HIGH);
    digitalWrite(STEP_PIN, LOW);
    
    if(DIR_PIN<=200){
 digitalWrite(15, HIGH);
    }
   else if(DIR_PIN>200){
    digitalWrite(14, HIGH);
   }
    else {
  digitalWrite(13, HIGH);
    }
    
    delay(100); // 5 ms * 200 = 1 second
  }
  }

}