diff --git a/terminal_keyboard_emulator.ino b/terminal_keyboard_emulator.ino
index b4810ba..c91d393 100644
--- a/terminal_keyboard_emulator.ino
+++ b/terminal_keyboard_emulator.ino
@@ -1,16 +1,16 @@
 #include <TimerOne.h>
 
+// config:
 const int pinData = 6;
 const int pinStatus = 7;
 
+// fixed values 
 const int timerDelay = 500;
 
 void setup(void)
 {
   pinMode(pinData, OUTPUT);
-  //Timer1.initialize(60);
-  //Timer1.attachInterrupt(clockCycle);
-
+  
   Timer1.initialize(timerDelay);
   Timer1.attachInterrupt(clockCycle);
   Timer1.stop();
@@ -22,7 +22,6 @@ void setup(void)
 }
 
 volatile long lastChange = 0;
-volatile long lastStart = 0;
 volatile int x = 0;
 volatile int dataWord = 0;
 volatile int dataState = 0;
@@ -36,8 +35,6 @@ void statusCycle() {
   long changeDiff = timeNow - lastChange;
   lastChange = timeNow;
   if (changeDiff >= 10) {
-    lastStart = timeNow;
-
     dataWord = (0 + x);
     dataState = 8;
     dataDelay = 0;
@@ -48,10 +45,6 @@ void statusCycle() {
     Timer1.initialize(timerDelay);
     Timer1.start();
   }
-  if (timeNow - lastStart >= 7 && changeDiff >= 2) {
-    //dataWord = 0b1000000011 | (('A' + x) << 2);
-    
-  }
 }
 
 void clockCycle(void)
@@ -69,15 +62,12 @@ void clockCycle(void)
     dataBit = LOW;
   } else if (dataState > 0) {
     int bitToSend = (dataWord >> (dataState - 1)) & 1;
-    //int bitToSend = dataWord & 1;
-    //dataWord = dataWord >> 1;
     dataBit = !bitToSend ? LOW : HIGH;
     dataState--;
   } else if (packetTail > 0) {
     packetTail--;
     dataBit = LOW;
   } else {
-    //digitalWrite(pinData, HIGH);
     Timer1.stop();
   }
   digitalWrite(pinData, dataBit);