diff --git a/DCCTimerSAMD.cpp b/DCCTimerSAMD.cpp
index 463cc64..f878ae5 100644
--- a/DCCTimerSAMD.cpp
+++ b/DCCTimerSAMD.cpp
@@ -162,7 +162,7 @@ uint16_t ADCee::usedpins = 0;
 int * ADCee::analogvals = NULL;
 
 int ADCee::init(uint8_t pin) {
-  uint id = pin - A0;
+  uint8_t id = pin - A0;
   int value = 0;
 
   if (id > NUM_ADC_INPUTS)
@@ -210,7 +210,7 @@ int ADCee::read(uint8_t pin, bool fromISR) {
 #pragma GCC push_options
 #pragma GCC optimize ("-O3")
 void ADCee::scan() {
-  static uint id = 0;        // id and mask are the same thing but it is faster to 
+  static uint8_t id = 0;        // id and mask are the same thing but it is faster to 
   static uint16_t mask = 1;  // increment and shift instead to calculate mask from id
   static bool waiting = false;
 
diff --git a/DCCTimerSTM32.cpp b/DCCTimerSTM32.cpp
index d1f2027..5dd72db 100644
--- a/DCCTimerSTM32.cpp
+++ b/DCCTimerSTM32.cpp
@@ -237,6 +237,7 @@ int16_t ADCee::ADCmax() {
 }
 
 int ADCee::init(uint8_t pin) {
+
   int value = 0;
   PinName stmpin = analogInputToPinName(pin);
   uint32_t stmgpio = stmpin / 16; // 16-bits per GPIO port group on STM32
diff --git a/EXRAIL2MacroReset.h b/EXRAIL2MacroReset.h
index b4ffc6d..181fb5d 100644
--- a/EXRAIL2MacroReset.h
+++ b/EXRAIL2MacroReset.h
@@ -134,6 +134,7 @@
 #undef STOP 
 #undef THROW  
 #undef TURNOUT 
+#undef TURNOUTL
 #undef UNJOIN
 #undef UNLATCH 
 #undef VIRTUAL_SIGNAL
@@ -254,6 +255,7 @@
 #define STOP 
 #define THROW(id)  
 #define TURNOUT(id,addr,subaddr,description...) 
+#define TURNOUTL(id,addr,description...) 
 #define UNJOIN 
 #define UNLATCH(sensor_id) 
 #define VIRTUAL_SIGNAL(id) 
diff --git a/EXRAILMacros.h b/EXRAILMacros.h
index ee20c1f..3aa4631 100644
--- a/EXRAILMacros.h
+++ b/EXRAILMacros.h
@@ -361,6 +361,7 @@ const  HIGHFLASH  int16_t RMFT2::SignalDefinitions[] = {
 #define STOP OPCODE_SPEED,V(0), 
 #define THROW(id)  OPCODE_THROW,V(id),
 #define TURNOUT(id,addr,subaddr,description...) OPCODE_TURNOUT,V(id),OPCODE_PAD,V(addr),OPCODE_PAD,V(subaddr),
+#define TURNOUTL(id,addr,description...) TURNOUT(id,(addr-1)/4+1,(addr-1)%4, description)
 #define UNJOIN OPCODE_UNJOIN,0,0,
 #define UNLATCH(sensor_id) OPCODE_UNLATCH,V(sensor_id),
 #define VIRTUAL_SIGNAL(id) 
diff --git a/version.h b/version.h
index a8c8bde..768e8b2 100644
--- a/version.h
+++ b/version.h
@@ -5,6 +5,7 @@
 
 
 #define VERSION "4.2.41"
+// 4.2.42 - Added EXRAIL TURNOUTL Macro definition
 // 4.2.41 - Move HAl startup to ASAP in setup()
 //        - Fix DNOU8 output pin setup to all LOW  
 // 4.2.40 - Automatically detect conflicting default I2C devices and disable
@@ -72,6 +73,10 @@
 // 4.2.11 Exrail IFLOCO feature added
 // 4.2.10 SIGNAL/SIGNALH bug fix as they were inverted
 //        IO_EXIOExpander.h input speed optimisation
+//        ONCLOCK and ONCLOCKTIME command added to EXRAIL for EX-FastCLock
+//        <JC> Serial command added for EX-FastClock
+//        <jC> Broadcast added for EX-FastClock
+//        IO_EXFastClock.h added for I2C FastClock connection
 // 4.2.9 duinoNodes support
 // 4.2.8 HIGHMEM (EXRAIL support beyond 64kb)
 //       Withrottle connect/disconnect improvements