diff --git a/controller_without_comm/config.h b/controller_without_comm/config.h
index fbcca7e..025e216 100644
--- a/controller_without_comm/config.h
+++ b/controller_without_comm/config.h
@@ -33,8 +33,8 @@
 #define KEYBOARD_BUTTON_TUNE_RIGHT_0 '\''
 #define KEYBOARD_BUTTON_SUB_LEFT_0 179
 #define KEYBOARD_BUTTON_SUB_LEFT_1 176
-#define KEYBOARD_BUTTON_SUB_RIGHT_0 '1'
-#define KEYBOARD_BUTTON_SUB_RIGHT_1 '2'
+#define KEYBOARD_BUTTON_SUB_RIGHT_0 216
+#define KEYBOARD_BUTTON_SUB_RIGHT_1 215
 
 #define KEYBOARD_BUTTON_DUPLICATED_UPARROW 218
 #define KEYBOARD_BUTTON_DUPLICATED_DOWNARROW 217
diff --git a/controller_without_comm/controller_without_comm.ino b/controller_without_comm/controller_without_comm.ino
index ef8902a..cfed1db 100644
--- a/controller_without_comm/controller_without_comm.ino
+++ b/controller_without_comm/controller_without_comm.ino
@@ -1,21 +1,6 @@
 #include "config.h"
 #include <Keyboard.h>
 
-bool pressed_button_tune_left_0 = false;
-bool pressed_button_tune_left_1 = false;
-bool pressed_button_tune_left_2 = false;
-bool pressed_button_tune_left_3 = false;
-bool pressed_button_tune_left_side = false;
-bool pressed_button_tune_right_side = false;
-bool pressed_button_tune_right_3 = false;
-bool pressed_button_tune_right_2 = false;
-bool pressed_button_tune_right_1 = false;
-bool pressed_button_tune_right_0 = false;
-bool pressed_button_sub_left_0 = false;
-bool pressed_button_sub_left_1 = false;
-bool pressed_button_sub_right_0 = false;
-bool pressed_button_sub_right_1 = false;
-
 void setup() {
   pinMode(PIN_BUTTON_TUNE_LEFT_0, INPUT_PULLUP);
   pinMode(PIN_BUTTON_TUNE_LEFT_1, INPUT_PULLUP);
@@ -34,171 +19,74 @@ void setup() {
 }
 
 void loop() {
-  if (!digitalRead(PIN_BUTTON_DUPLICATED_UPARROW)) {
-    Keyboard.write(KEYBOARD_BUTTON_DUPLICATED_UPARROW);
-  }
-  if (!digitalRead(PIN_BUTTON_DUPLICATED_DOWNARROW)) {
-    Keyboard.write(KEYBOARD_BUTTON_DUPLICATED_DOWNARROW);
-  }
-  if (!digitalRead(PIN_BUTTON_DUPLICATED_LEFTARROW)) {
-    Keyboard.write(KEYBOARD_BUTTON_DUPLICATED_LEFTARROW);
-  }
-  if (!digitalRead(PIN_BUTTON_DUPLICATED_RIGHTARROW)) {
-    Keyboard.write(KEYBOARD_BUTTON_DUPLICATED_RIGHTARROW);
-  }
-  
   if (!digitalRead(PIN_BUTTON_TUNE_LEFT_0)) {
-    if (!pressed_button_tune_left_0) {
-      pressed_button_tune_left_0 = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_0);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_0);
   } else {
-    if (pressed_button_tune_left_0) {
-      pressed_button_tune_left_0 = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_0);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_0);
   }
   if (!digitalRead(PIN_BUTTON_TUNE_LEFT_1)) {
-    if (!pressed_button_tune_left_1) {
-      pressed_button_tune_left_1 = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_1);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_1);
   } else {
-    if (pressed_button_tune_left_1) {
-      pressed_button_tune_left_1 = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_1);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_1);
   }
   if (!digitalRead(PIN_BUTTON_TUNE_LEFT_2)) {
-    if (!pressed_button_tune_left_2) {
-      pressed_button_tune_left_2 = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_2);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_2);
   } else {
-    if (pressed_button_tune_left_2) {
-      pressed_button_tune_left_2 = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_2);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_2);
   }
   if (!digitalRead(PIN_BUTTON_TUNE_LEFT_3)) {
-    if (!pressed_button_tune_left_3) {
-      pressed_button_tune_left_3 = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_3);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_3);
   } else {
-    if (pressed_button_tune_left_3) {
-      pressed_button_tune_left_3 = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_3);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_3);
   }
   if (!digitalRead(PIN_BUTTON_TUNE_LEFT_SIDE)) {
-    if (!pressed_button_tune_left_side) {
-      pressed_button_tune_left_side = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_SIDE);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_LEFT_SIDE);
   } else {
-    if (pressed_button_tune_left_side) {
-      pressed_button_tune_left_side = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_SIDE);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_LEFT_SIDE);
   }
   if (!digitalRead(PIN_BUTTON_TUNE_RIGHT_SIDE)) {
-    if (!pressed_button_tune_right_side) {
-      pressed_button_tune_right_side = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_SIDE);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_SIDE);
   } else {
-    if (pressed_button_tune_right_side) {
-      pressed_button_tune_right_side = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_SIDE);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_SIDE);
   }
   if (!digitalRead(PIN_BUTTON_TUNE_RIGHT_3)) {
-    if (!pressed_button_tune_right_3) {
-      pressed_button_tune_right_3 = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_3);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_3);
   } else {
-    if (pressed_button_tune_right_3) {
-      pressed_button_tune_right_3 = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_3);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_3);
   }
   if (!digitalRead(PIN_BUTTON_TUNE_RIGHT_2)) {
-    if (!pressed_button_tune_right_2) {
-      pressed_button_tune_right_2 = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_2);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_2);
   } else {
-    if (pressed_button_tune_right_2) {
-      pressed_button_tune_right_2 = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_2);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_2);
   }
   if (!digitalRead(PIN_BUTTON_TUNE_RIGHT_1)) {
-    if (!pressed_button_tune_right_1) {
-      pressed_button_tune_right_1 = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_1);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_1);
   } else {
-    if (pressed_button_tune_right_1) {
-      pressed_button_tune_right_1 = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_1);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_1);
   }
   if (!digitalRead(PIN_BUTTON_TUNE_RIGHT_0)) {
-    if (!pressed_button_tune_right_0) {
-      pressed_button_tune_right_0 = true;
-      Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_0);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_TUNE_RIGHT_0);
   } else {
-    if (pressed_button_tune_right_0) {
-      pressed_button_tune_right_0 = false;
-      Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_0);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_TUNE_RIGHT_0);
   }
   if (!digitalRead(PIN_BUTTON_SUB_LEFT_0)) {
-    if (!pressed_button_sub_left_0) {
-      pressed_button_sub_left_0 = true;
-      Keyboard.press(KEYBOARD_BUTTON_SUB_LEFT_0);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_SUB_LEFT_0);
   } else {
-    if (pressed_button_sub_left_0) {
-      pressed_button_sub_left_0 = false;
-      Keyboard.release(KEYBOARD_BUTTON_SUB_LEFT_0);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_SUB_LEFT_0);
   }
   if (!digitalRead(PIN_BUTTON_SUB_LEFT_1)) {
-    if (!pressed_button_sub_left_1) {
-      pressed_button_sub_left_1 = true;
-      Keyboard.press(KEYBOARD_BUTTON_SUB_LEFT_1);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_SUB_LEFT_1);
   } else {
-    if (pressed_button_sub_left_1) {
-      pressed_button_sub_left_1 = false;
-      Keyboard.release(KEYBOARD_BUTTON_SUB_LEFT_1);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_SUB_LEFT_1);
   }
   if (!digitalRead(PIN_BUTTON_SUB_RIGHT_0)) {
-    if (!pressed_button_sub_right_0) {
-      pressed_button_sub_right_0 = true;
-      Keyboard.press(KEYBOARD_BUTTON_SUB_RIGHT_0);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_SUB_RIGHT_0);
   } else {
-    if (pressed_button_sub_right_0) {
-      pressed_button_sub_right_0 = false;
-      Keyboard.release(KEYBOARD_BUTTON_SUB_RIGHT_0);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_SUB_RIGHT_0);
   }
   if (!digitalRead(PIN_BUTTON_SUB_RIGHT_1)) {
-    if (!pressed_button_sub_right_1) {
-      pressed_button_sub_right_1 = true;
-      Keyboard.press(KEYBOARD_BUTTON_SUB_RIGHT_1);
-    }
+    Keyboard.press(KEYBOARD_BUTTON_SUB_RIGHT_1);
   } else {
-    if (pressed_button_sub_right_1) {
-      pressed_button_sub_right_1 = false;
-      Keyboard.release(KEYBOARD_BUTTON_SUB_RIGHT_1);
-    }
+    Keyboard.release(KEYBOARD_BUTTON_SUB_RIGHT_1);
   }
 }