diff --git a/Shelf_Edge_Clock_V1/Shelf_Edge_Clock_V1.ino b/Shelf_Edge_Clock_V1/Shelf_Edge_Clock_V1.ino
index 8091420..4ba254e 100644
--- a/Shelf_Edge_Clock_V1/Shelf_Edge_Clock_V1.ino
+++ b/Shelf_Edge_Clock_V1/Shelf_Edge_Clock_V1.ino
@@ -47,9 +47,10 @@ DateTime MyDateAndTime;
 // Which pin on the Arduino is connected to the NeoPixels?
 #define LEDCLOCK_PIN    6
 #define LEDDOWNLIGHT_PIN    5
+#define LED_PER_SEG 7   // define no of leds per segment here no further changes required 
 
 // How many NeoPixels are attached to the Arduino?
-#define LEDCLOCK_COUNT 216
+#define LEDCLOCK_COUNT (23*LED_PER_SEG)
 #define LEDDOWNLIGHT_COUNT 12
 
 //(red * 65536) + (green * 256) + blue ->for 32-bit merged colour value so 16777215 equals white
@@ -184,7 +185,7 @@ void displayTheTime(){
 
   
   int secondMinuteDigit = floor(MyDateAndTime.Minute / 10); //work out the value for the second digit and then display it
-  displayNumber(secondMinuteDigit, 63, clockMinuteColour);  
+  displayNumber(secondMinuteDigit, (7*LED_PER_SEG), clockMinuteColour);  
 
 
   int firstHourDigit = MyDateAndTime.Hour; //work out the value for the third digit and then display it
@@ -198,7 +199,7 @@ void displayTheTime(){
 //  }
  
   firstHourDigit = firstHourDigit % 10;
-  displayNumber(firstHourDigit, 126, clockHourColour);
+  displayNumber(firstHourDigit, (14*LED_PER_SEG), clockHourColour);
 
 
   int secondHourDigit = MyDateAndTime.Hour; //work out the value for the fourth digit and then display it
@@ -212,7 +213,7 @@ void displayTheTime(){
     secondHourDigit = secondHourDigit - 12;
   }
     if (secondHourDigit > 9){
-      stripClock.fill(clockHourColour,189, 18); 
+      stripClock.fill(clockHourColour,(21*LED_PER_SEG), 18); 
     }
 
   }
diff --git a/Shelf_Edge_Clock_V1/digits.ino b/Shelf_Edge_Clock_V1/digits.ino
index da0f6aa..489c4e8 100644
--- a/Shelf_Edge_Clock_V1/digits.ino
+++ b/Shelf_Edge_Clock_V1/digits.ino
@@ -1,46 +1,46 @@
 void digitZero(int offset, uint32_t colour){
-    stripClock.fill(colour, (0 + offset), 27);
-    stripClock.fill(colour, (36 + offset), 27);
+    stripClock.fill(colour, (0 + offset), (3*LED_PER_SEG));
+    stripClock.fill(colour, ((4*LED_PER_SEG) + offset), (3*LED_PER_SEG));
 }
 
 void digitOne(int offset, uint32_t colour){
-    stripClock.fill(colour, (0 + offset), 9);
-    stripClock.fill(colour, (36 + offset), 9);
+    stripClock.fill(colour, (0 + offset), LED_PER_SEG);
+    stripClock.fill(colour, ((4*LED_PER_SEG) + offset), LED_PER_SEG);
 }
 
 void digitTwo(int offset, uint32_t colour){
-    stripClock.fill(colour, (0 + offset), 18);
-    stripClock.fill(colour, (27 + offset), 9);
-    stripClock.fill(colour, (45 + offset), 18);
+    stripClock.fill(colour, (0 + offset), (2*LED_PER_SEG));
+    stripClock.fill(colour, ((3*LED_PER_SEG) + offset), LED_PER_SEG);
+    stripClock.fill(colour, ((5*LED_PER_SEG) + offset), (2*LED_PER_SEG));
 }
 
 void digitThree(int offset, uint32_t colour){
-    stripClock.fill(colour, (0 + offset), 18);
-    stripClock.fill(colour, (27 + offset), 27);
+    stripClock.fill(colour, (0 + offset), 14);
+    stripClock.fill(colour, ((3*LED_PER_SEG) + offset), (3*LED_PER_SEG));
 }
 
 void digitFour(int offset, uint32_t colour){
-    stripClock.fill(colour, (0 + offset), 9);
-    stripClock.fill(colour, (18 + offset), 27);
+    stripClock.fill(colour, (0 + offset), LED_PER_SEG);
+    stripClock.fill(colour, ((2*LED_PER_SEG) + offset), (3*LED_PER_SEG));
 }
 
 void digitFive(int offset, uint32_t colour){
-    stripClock.fill(colour, (9 + offset), 45);
+    stripClock.fill(colour, (LED_PER_SEG + offset), (5*LED_PER_SEG));
 }
 
 void digitSix(int offset, uint32_t colour){
-    stripClock.fill(colour, (9 + offset), 54);
+    stripClock.fill(colour, (LED_PER_SEG + offset), (6*LED_PER_SEG));
 }
 
 void digitSeven(int offset, uint32_t colour){
-    stripClock.fill(colour, (0 + offset), 18);
-    stripClock.fill(colour, (36 + offset), 9);
+    stripClock.fill(colour, (0 + offset), (2*LED_PER_SEG));
+    stripClock.fill(colour, ((4*LED_PER_SEG) + offset), LED_PER_SEG);
 }
 
 void digitEight(int offset, uint32_t colour){
-    stripClock.fill(colour, (0 + offset), 63);
+    stripClock.fill(colour, (0 + offset), (7*LED_PER_SEG));
 }
 
 void digitNine(int offset, uint32_t colour){
-    stripClock.fill(colour, (0 + offset), 45);
+    stripClock.fill(colour, (0 + offset), (6*LED_PER_SEG));
 }