     else
       Serial.print("Disabled ");
 
-    Serial.print(rate * 2);
+    Serial.print(rate * 4);
     Serial.println("uS");
 
   }

    digitalWrite(10, states[state]);
    digitalWrite(9, states[state + 1 & 0x3]);
    state = (state + dir) & 0x3;
  }
}


        if (rate < 100) rate = 100;
        Timer1.setPeriod(rate);
        break;
      case 'p':
        enable = 1;
        count = 20;
        break;
    }


