diff --git a/Core/Src/clock.c b/Core/Src/clock.c
index b4d96d4..664f136 100644
--- a/Core/Src/clock.c
+++ b/Core/Src/clock.c
@@ -10,7 +10,7 @@
 
 // define LED marking 12:00 or 00:00
 
-#define LED_OFFSET 11
+#define LED_OFFSET 12
 
 
 
diff --git a/Core/Src/ds1307.c b/Core/Src/ds1307.c
index 2bc472e..3dd6f98 100644
--- a/Core/Src/ds1307.c
+++ b/Core/Src/ds1307.c
@@ -80,13 +80,18 @@ uint8_t ds1307_read_user_RAM(uint8_t addr, uint8_t * data, uint8_t len){
 
 uint8_t ds1307_write_user_RAM(uint8_t addr, uint8_t * data, uint8_t len){
 	HAL_StatusTypeDef status = HAL_OK;
+	uint8_t buff[4] = {0};
+	buff[0] = addr;
 
 	for(uint8_t i = 0; i < len; i++){
 
-		ds1307_write_byte(addr + i, *(data + i));
+		buff[1+i] = *(data+i);
 
 	}
 
+		// ds1307_write_byte(addr + i, *(data + i));
+		HAL_I2C_Master_Transmit(&DS1307_HANDLER, DS1307_ADDRES << 1, buff, len + 1, DS1307_TIMEOUT);
+
 	return status;
 }
 
diff --git a/Core/Src/myComms.c b/Core/Src/myComms.c
index cb3130a..e89a257 100644
--- a/Core/Src/myComms.c
+++ b/Core/Src/myComms.c
@@ -17,9 +17,9 @@
 
 
 #define NV_COLOUR_HOURS_ADDR		0x08
-#define NV_COLOUR_MINUTES_ADDR		0x09
-#define NV_COLOUR_SECONDS_ADDR		0x0A
-#define NV_COLOUR_BACKGND_ADDR		0x0B
+#define NV_COLOUR_MINUTES_ADDR		0x0B
+#define NV_COLOUR_SECONDS_ADDR		0x0E
+#define NV_COLOUR_BACKGND_ADDR		0x11
 
 typedef struct {
 	uint8_t 	cmdId;
diff --git a/Core/Src/ws2812_effect.c b/Core/Src/ws2812_effect.c
index 982a73f..64939f8 100644
--- a/Core/Src/ws2812_effect.c
+++ b/Core/Src/ws2812_effect.c
@@ -12,9 +12,9 @@
 #include "ds1307.h"
 
 #define NV_COLOUR_HOURS_ADDR		0x08
-#define NV_COLOUR_MINUTES_ADDR		0x09
-#define NV_COLOUR_SECONDS_ADDR		0x0A
-#define NV_COLOUR_BACKGND_ADDR		0x0B
+#define NV_COLOUR_MINUTES_ADDR		0x0B
+#define NV_COLOUR_SECONDS_ADDR		0x0E
+#define NV_COLOUR_BACKGND_ADDR		0x11
 
 
 typedef struct {