#define MOT1_STEP 15
#define MOT1_DIR  16
#define MOT2_STEP 13
#define MOT2_DIR  14
#define MOT3_STEP 11
#define MOT3_DIR  12
#define BTN_A_PLUS  4
#define BTN_A_MINUS 3
#define BTN_B_PLUS  8
#define BTN_B_MINUS 5
#define BTN_C_PLUS  10
#define BTN_C_MINUS 9
#define LED1 0
#define LED2 1
#define LED3 2

void setup() {
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);

  Serial.begin(9600);

  delay(2000);
  Serial.println("I'm alive!");
}

void loop() {
  digitalWrite(LED1, HIGH);
  delay(1000);
  digitalWrite(LED1, LOW);
  delay(1000);
  digitalWrite(LED2, HIGH);
  delay(1000);
  digitalWrite(LED2, LOW);
  delay(1000);
  digitalWrite(LED3, HIGH);
  delay(1000);
  digitalWrite(LED3, LOW);
  delay(1000);

  Serial.println("Still alive!");
}