                 digitalWrite(X_ENABLE_PIN, HIGH);
                 digitalWrite(Y_ENABLE_PIN, HIGH);
                 break;
-    
-            case 'u':
-                Serial.print("U  ");
+
+            case 'a':
+                Serial.print("A  ");
                 Serial.println(stepsize);
                 stepX(stepsize, 1);
                 break;
-            case 'n':
-                Serial.print("N  ");
+            case 'd':
+                Serial.print("D  ");
                 Serial.println(stepsize);
                 stepX(stepsize, 0);
                 break;
-            case 't':
-                Serial.println("T  5000");
-                stepX(5000, 0);
+            case 'w':
+                Serial.print("W  ");
+                Serial.println(stepsize);
+                stepY(stepsize, 1);
                 break;
-    
-            case 'b':
-                Serial.println("B -5000");
-                stepX(5000, 1);
+            case 's':
+                Serial.print("S  ");
+                Serial.println(stepsize);
+                stepY(stepsize, 0);
                 break;
-    
-            case 'o':
-                Serial.println("O 100 ");
-                stepX(1000, 0);
-                break;
-    
-            case 'l':
-                Serial.println("L -100 ");
-                stepX(1000, 1);
-                break;
-    
-    
-            case 'i':
-              Serial.println("I 10 ");
-              stepX(50, 0);
-              break;
-        
-            case 'k':
-              Serial.println("K -10 ");
-              stepX(50, 1);
-              break;
 
             case '2':
-                Serial.println("delay = 20");
-                varDelay = 20;
+                Serial.println("stepsize = 1");
+                stepsize = 1;
                 break;
             case '3':
-                Serial.println("delay = 30");
-                varDelay = 30;
+                Serial.println("stepsize = 10");
+                stepsize = 10;
                 break;
             case '4':
-                Serial.println("delay = 40");
-                varDelay = 40;
+                Serial.println("stepsize = 100");
+                stepsize = 100;
                 break;
             case '5':
-                Serial.println("delay  =  50");
-                varDelay = 50;
+                Serial.println("stepsize = 500");
+                stepsize = 500;
                 break;
             case '6':
-                Serial.println("delay  =  60");
-                varDelay = 60;
+                Serial.println("stepsize = 1,000");
+                stepsize = 1000;
                 break;
             case '7':
-                Serial.println("delay  =  70");
-                varDelay = 70;
+                Serial.println("stepsize = 5,000");
+                stepsize = 5000;
                 break;
             case '8':
-                Serial.println("delay  =  80");
-                varDelay = 80;
+                Serial.println("stepsize = 10,000");
+                stepsize = 10000;
                 break;
             case '9':
-                Serial.println("delay  =  90");
-                varDelay = 90;
+                Serial.println("stepsize = 20,000");
+                stepsize = 20000;
                 break;
 
             default:


    for (int x = 0; x < steps; x++) {
        digitalWrite(X_STEP_PIN, HIGH);
        delay(varDelay);
        digitalWrite(X_STEP_PIN, LOW);
        delay(varDelay);

        if(x%50==0)Serial.println(x);
    }
}



        switch (r) {
            case '?':
              printHelp();
              break;
          
            case '1':
                digitalWrite(X_ENABLE_PIN, LOW);
