diff --git a/YAOCMouse.ino b/YAOCMouse.ino
index 8bc3950..b36f8a6 100644
--- a/YAOCMouse.ino
+++ b/YAOCMouse.ino
@@ -14,6 +14,7 @@
 #define PIN_MOUSE_RBTN 17 // LAN_CLK
 
 #define MOUSE_SCALE_MAX 63
+#define MOUSE_PULSE_DELAY 70
 
 const byte mouseStates[4][2] = {
   {0, 0},
@@ -96,7 +97,7 @@ void amigaYpulse(int8_t count) {
 
     digitalWrite(13, mouseStates[mouseYTableIndex][0]);
     digitalWrite(14, mouseStates[mouseYTableIndex][1]);
-    delayMicroseconds(70);
+    delayMicroseconds(MOUSE_PULSE_DELAY);
   }
 
   mouseYworking = false;
@@ -126,7 +127,7 @@ void amigaXpulse(int8_t count) {
 
     digitalWrite(15, mouseStates[mouseXTableIndex][0]);
     digitalWrite(12, mouseStates[mouseXTableIndex][1]);
-    delayMicroseconds(70);
+    delayMicroseconds(MOUSE_PULSE_DELAY);
   }
 }