diff --git a/item.h b/item.h
index a336c28..a62bcd6 100644
--- a/item.h
+++ b/item.h
@@ -31,13 +31,15 @@ protected:
 	uint16_t packetAddDirection();
 	uint16_t packetAddFunction(const uint8_t function);
 	uint16_t assemblePacket();
-	
+
 public:
 	
+	inline static bool directSendBlock = false;
+
 	static void setOutput(const uint8_t state);
-	
+
 	Item(const uint8_t address);
-	
+
 	void sendRaw(const uint16_t data);
 	static void sendRawAddr(const uint8_t address, const uint16_t data);
 	
diff --git a/main.cpp b/main.cpp
index b87633c..dd1629c 100644
--- a/main.cpp
+++ b/main.cpp
@@ -29,12 +29,10 @@ SVector<Signal, 32> signals;
 bool autoff = true;
 bool powerIsOn = true;
 
-#define TICK_MAX 255
 volatile uint8_t tick = 0;
 
 volatile bool resendEvent = false;
-
-constexpr bool USE_PULSES = false;
+uint8_t itemToResend = 0;
 
 void setPower(bool on);
 void save_state();
@@ -45,15 +43,9 @@ void save_state();
 
 ISR(TIMER0_OVF_vect) 
 {
-	++tick;
-	if(tick  == 0)
+	if(tick == 0)
 		resendEvent = true;
-	if constexpr(USE_PULSES)
-	{
-		if((tick & 0b00000111) < 1)
-			Train::setOutput(Train::HIGH);
-		else Train::setOutput(Train::LOW);
-	}
+	tick = !tick;
 }
 
 void timer0InterruptEnable(const bool enable)
@@ -229,6 +221,7 @@ int powerDispatch(char* token, Serial* serial)
 
 void serialDispatch(Serial* serial)
 {
+	static uint8_t lastItemToResend = 0;
 	if(serial->dataIsWaiting())
 	{
 		char buffer[COMMAND_BUFFER_SIZE];
@@ -237,6 +230,10 @@ void serialDispatch(Serial* serial)
 		{
 			int ret = -1;
 			char* token = strtok(buffer, " ");
+
+			if(lastItemToResend == itemToResend)
+				Item::directSendBlock = true;
+
 			if(strcmp(token, "train") == 0 || strcmp(token, "t") == 0 )
 			{
 				token = strtok(NULL, " ");
@@ -309,15 +306,18 @@ void serialDispatch(Serial* serial)
 			}
 			else
 			{
-				for(uint8_t i = 0; i < length; ++i)
+				lastItemToResend = itemToResend;
+				/*for(uint8_t i = 0; i < length; ++i)
 				{
 					if(buffer[i] == '\0' || buffer[i] == '\n')
 						buffer[i] = ' ';
 				}
 				serial->write_p(PSTR("Sucess \""));
 				serial->write(buffer, length);
-				serial->write("\"\n");
+				serial->write("\"\n");*/
 			}
+
+			Item::directSendBlock = false;
 		}
 	}
 }
@@ -325,7 +325,7 @@ void serialDispatch(Serial* serial)
 int main() 
 {
 	TCNT0 = 0;
-	TCCR0B = (1<<CS00); // run timer0 with /1 scaler
+	TCCR0B = (1<<CS02); // run timer0 with /256 scaler
 
 	DDRD =  (1 << PD2) | (1 << PD3) | (1 << PD4) | (1 << PD5);
 
@@ -348,11 +348,9 @@ int main()
 
 	serial.write_p(PSTR("TrainController v0.5 starting\n"));
 
-	uint8_t itemToResend = 0;
-
 	while(true)
 	{        
-		if(resendEvent && (trains.count() > 0 || turnouts.count())) 
+		if(resendEvent && (trains.count() || turnouts.count() || signals.count())) 
 		{
 			timer0InterruptEnable(false);
 			if(itemToResend < trains.count())
diff --git a/signal.cpp b/signal.cpp
index ab4a76a..7387ff6 100644
--- a/signal.cpp
+++ b/signal.cpp
@@ -7,7 +7,8 @@ Signal::Signal(uint8_t address, uint8_t subaddress, uint8_t type): Item(address)
 void Signal::setState(uint8_t state)
 {
 	_state = state;
-	sendData();
+	if(!directSendBlock)
+		sendData();
 }
 
 uint8_t Signal::getState()
diff --git a/train.cpp b/train.cpp
index 66ce359..7630a37 100644
--- a/train.cpp
+++ b/train.cpp
@@ -105,7 +105,7 @@ void Train::setSpeed(int8_t speed)
 		}
 		sei();
 	}
-	else
+	else if(!directSendBlock)
 	{
 		sendData();
 	}
@@ -121,7 +121,8 @@ void Train::stop()
 {
 	_speed = 0;
 	_function = 0;
-	sendData();
+	if(!directSendBlock)
+		sendData();
 }
 
 
@@ -158,7 +159,8 @@ uint16_t Train::getLastPacket()
 void Train::reverse()
 {
 	_direction = !_direction;
-	sendData();
+	if(!directSendBlock)
+		sendData();
 }
 
 
@@ -177,7 +179,8 @@ void Train::sendFunction(const uint8_t function, bool enable)
 	if(function > 3)
 		return;
 	_function = (_function & ~(1 << function)) | (enable << function);
-	sendData();
+	if(!directSendBlock)
+		sendData();
 }
 
 uint8_t Train::getQuirks()
diff --git a/turnout.cpp b/turnout.cpp
index 21f137b..f21d005 100644
--- a/turnout.cpp
+++ b/turnout.cpp
@@ -7,7 +7,8 @@ Turnout::Turnout(uint8_t address, uint8_t subaddress): Item(address), _subaddres
 void Turnout::setDirection(uint8_t direction)
 {
 	_direction = direction;
-	sendData();
+	if(!directSendBlock)
+		sendData();
 }
 
 uint8_t Turnout::getDirection()