diff --git a/embedded/Src/main.c b/embedded/Src/main.c
index 96ade65..3295052 100644
--- a/embedded/Src/main.c
+++ b/embedded/Src/main.c
@@ -76,7 +76,8 @@ void MX_USART1_UART_Init(void);
 /* USER CODE END PFP */
 
 /* USER CODE BEGIN 0 */
-uint32_t serialNumber =0;
+const uint32_t *uid = (uint32_t *)(UID_BASE);
+uint32_t serialNumber = 0;
 uint8_t Uart2RxFifo;
 uint32_t lin_baund_rate = 19200;
 #define UART_RX_FIFO_SIZE 1
@@ -95,6 +96,7 @@ void bootloaderSwitcher();
 
 int main(void)
 {
+	serialNumber = uid[0] ^ uid[1] ^ uid[2];
   /* USER CODE BEGIN 1 */
   bootloaderSwitcher();
   /* USER CODE END 1 */
diff --git a/embedded/Src/slcan.c b/embedded/Src/slcan.c
index 196f95c..4d04d98 100644
--- a/embedded/Src/slcan.c
+++ b/embedded/Src/slcan.c
@@ -207,7 +207,7 @@ void slCanCheckCommand()
         case 'G':
         case 'W':
         case 's':
-        	if (line[0] == '2')
+        	if (line[1] == '2')
         	{
         		lin_baund_rate = 9600;
         	} else
@@ -239,6 +239,7 @@ void slCanCheckCommand()
             break;
         case 'N': // Get serial number
             {
+
                 slcanSetOutputChar('N');
                 slcanSetOutputAsHex((uint8_t)(serialNumber));
                 slcanSetOutputAsHex((uint8_t)(serialNumber>>8));
diff --git a/embedded/Src/slcan.h b/embedded/Src/slcan.h
index 852719c..867aba3 100644
--- a/embedded/Src/slcan.h
+++ b/embedded/Src/slcan.h
@@ -11,7 +11,7 @@
 #include "open_lin_slave_data_layer.h"
 
 #define VERSION_FIRMWARE_MAJOR 1
-#define VERSION_FIRMWARE_MINOR 2
+#define VERSION_FIRMWARE_MINOR 3
 
 #define VERSION_HARDWARE_MAJOR 0
 #define VERSION_HARDWARE_MINOR 1