diff --git a/rainbow_random.ino b/rainbow_random.ino
index 0d113c7..3ef7ed0 100644
--- a/rainbow_random.ino
+++ b/rainbow_random.ino
@@ -30,23 +30,30 @@ void rainbow_random() {
           cube[x][y][z] = random(24);
         }
       }
-    }    
+    }
+    
+    currentTimer = 0;
+    maxTimer = 1875; // 30 ms  
   }
+
+  if ( timerReset) {
   
-  for (byte x = 0; x <= 3; x++) {
-    for (byte y = 0; y <= 3; y++) {
-      for (byte z = 0; z <= 3; z++) {
-        byte val = cube[x][y][z];
-        drawLed(red,  spectrum[val][0],x,y,z);
-        drawLed(green,spectrum[val][1],x,y,z);
-        drawLed(blue, spectrum[val][2],x,y,z);
-        if ((x+y+z) % 2 == 0) { cube[x][y][z] = (val+1) % 24;}
-        else                  { cube[x][y][z] = val == 0 ? 23 : val-1;}
+    for (byte x = 0; x <= 3; x++) {
+      for (byte y = 0; y <= 3; y++) {
+        for (byte z = 0; z <= 3; z++) {
+          byte val = cube[x][y][z];
+          drawLed(red,  spectrum[val][0],x,y,z);
+          drawLed(green,spectrum[val][1],x,y,z);
+          drawLed(blue, spectrum[val][2],x,y,z);
+          if ((x+y+z) % 2 == 0) { cube[x][y][z] = (val+1) % 24;}
+          else                  { cube[x][y][z] = val == 0 ? 23 : val-1;}
+        }
       }
     }
+    flushBuffer();
+    clearBuffer();
+    //delay(30);
+    currentTimer = 0;
+    timerReset = false;
   }
-  flushBuffer();
-  clearBuffer();
-  delay(30);
-  
 }