     pinMode(stepPin, OUTPUT);
     pinMode(dirPin, OUTPUT);
     pinMode(enablePin, OUTPUT);
+    pinMode(ledPin, OUTPUT);
     pinMode(alarmPin, INPUT_PULLUP);
     pinMode(sensorPin, INPUT_PULLUP);
     pinMode(idmsbPin, INPUT_PULLUP);

void receiveData() {
    static byte idx = 0;
    char rc;
    // TODO possibly change to while loop in order to read complete command
    if (Serial.available() > 0) {
        rc = Serial.read();
        serialIncoming[idx] = rc;
        if (rc != rEOM) {

#define enablePin       5
#define alarmPin        3
#define sensorPin      11
#define ledPin         13
#define idmsbPin       18
#define idlsbPin       19

