diff --git a/.vscode/settings.json b/.vscode/settings.json
index 0f00390..5a82208 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,6 +1,6 @@
 {
     "terminal.integrated.env.windows": {
-        "PATH": "C:\\Users\\PBRY\\.platformio\\penv\\Scripts;C:\\Users\\PBRY\\.platformio\\penv;C:\\ProgramData\\Oracle\\Java\\javapath;C:\\Python27\\;C:\\Python27\\Scripts;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;c:\\python27;C:\\Program Files\\TortoiseSVN\\bin\\;%USERPROFILE%\\.dnx\\bin;C:\\Program Files\\Microsoft DNX\\Dnvm\\;C:\\Users\\PBRY\\AppData\\Local\\Programs\\Git\\cmd;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn\\;C:\\Program Files\\Microsoft SQL Server\\130\\Tools\\Binn\\;C:\\Python27\\;C:\\Python27\\Scripts;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;c:\\python27;C:\\Program Files\\TortoiseSVN\\bin\\;C:\\Users\\PBRY\\.dnx\\bin;C:\\Program Files\\Microsoft DNX\\Dnvm\\;C:\\Users\\PBRY\\AppData\\Local\\Programs\\Git\\cmd;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn\\;C:\\Users\\PBRY\\.dnx\\bin;C:\\Program Files (x86)\\Atmel\\sam-ba_2.12\\drv\\;C:\\Program Files (x86)\\Atmel\\sam-ba_2.12;C:\\Program Files\\Intel\\WiFi\\bin\\;C:\\Program Files\\Common Files\\Intel\\WirelessCommon\\;i:\\MyProjects\\Kicad\\BOM\";C:\\Users\\PBRY\\AppData\\Local\\Programs\\Fiddler;C:\\Users\\PBRY\\AppData\\Local\\atom\\bin;C:\\Program Files\\Microsoft VS Code\\bin;C:\\ProgramData\\Oracle\\Java\\javapath;C:\\Python27\\;C:\\Python27\\Scripts;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;c:\\python27;C:\\Program Files\\TortoiseSVN\\bin\\;%USERPROFILE%\\.dnx\\bin;C:\\Program Files\\Microsoft DNX\\Dnvm\\;C:\\Users\\PBRY\\AppData\\Local\\Programs\\Git\\cmd;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn\\;C:\\Program Files\\Microsoft SQL Server\\130\\Tools\\Binn\\;C:\\Python27\\;C:\\Python27\\Scripts;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;c:\\python27;C:\\Program Files\\TortoiseSVN\\bin\\;C:\\Users\\PBRY\\.dnx\\bin;C:\\Program Files\\Microsoft DNX\\Dnvm\\;C:\\Users\\PBRY\\AppData\\Local\\Programs\\Git\\cmd;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn\\;C:\\Users\\PBRY\\.dnx\\bin;C:\\Program Files (x86)\\Atmel\\sam-ba_2.12\\drv\\;C:\\Program Files (x86)\\Atmel\\sam-ba_2.12;C:\\Program Files\\Intel\\WiFi\\bin\\;C:\\Program Files\\Common Files\\Intel\\WirelessCommon\\;i:\\MyProjects\\Kicad\\BOM\";C:\\Users\\PBRY\\AppData\\Local\\Programs\\Fiddler;C:\\Users\\PBRY\\AppData\\Local\\atom\\bin;C:\\Program Files\\Microsoft VS Code\\bin",
+        "PATH": "C:\\Users\\PBRY\\.platformio\\penv\\Scripts;C:\\Users\\PBRY\\.platformio\\penv;C:\\ProgramData\\Oracle\\Java\\javapath;C:\\Python27\\;C:\\Python27\\Scripts;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;c:\\python27;C:\\Program Files\\TortoiseSVN\\bin\\;%USERPROFILE%\\.dnx\\bin;C:\\Program Files\\Microsoft DNX\\Dnvm\\;C:\\Users\\PBRY\\AppData\\Local\\Programs\\Git\\cmd;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn\\;C:\\Program Files\\Microsoft SQL Server\\130\\Tools\\Binn\\;C:\\Program Files\\nodejs\\;\"C:\\Program Files\\TortoiseSVN\\bin\\\";C:\\Users\\PBRY\\.dnx\\bin;\"C:\\Program Files\\Microsoft DNX\\Dnvm\\\";\"C:\\Program Files (x86)\\Atmel\\sam-ba_2.12\\drv\\\";\"C:\\Program Files\\Intel\\WiFi\\bin\\\";\"C:\\Program Files\\Common Files\\Intel\\WirelessCommon\\\";i:\\MyProjects\\Kicad\\BOM;C:\\Users\\PBRY\\AppData\\Local\\atom\\bin;C:\\Program Files\\Microsoft VS Code\\bin;C:\\Users\\PBRY\\AppData\\Roaming\\npm;C:\\ProgramData\\Oracle\\Java\\javapath;C:\\Python27\\;C:\\Python27\\Scripts;C:\\Windows\\system32;C:\\Windows;C:\\Windows\\System32\\Wbem;c:\\python27;C:\\Program Files\\TortoiseSVN\\bin\\;%USERPROFILE%\\.dnx\\bin;C:\\Program Files\\Microsoft DNX\\Dnvm\\;C:\\Users\\PBRY\\AppData\\Local\\Programs\\Git\\cmd;C:\\Program Files\\Microsoft SQL Server\\110\\Tools\\Binn\\;C:\\Program Files\\Microsoft SQL Server\\130\\Tools\\Binn\\;C:\\Program Files\\nodejs\\;\"C:\\Program Files\\TortoiseSVN\\bin\\\";C:\\Users\\PBRY\\.dnx\\bin;\"C:\\Program Files\\Microsoft DNX\\Dnvm\\\";\"C:\\Program Files (x86)\\Atmel\\sam-ba_2.12\\drv\\\";\"C:\\Program Files\\Intel\\WiFi\\bin\\\";\"C:\\Program Files\\Common Files\\Intel\\WirelessCommon\\\";i:\\MyProjects\\Kicad\\BOM;C:\\Users\\PBRY\\AppData\\Local\\atom\\bin;C:\\Program Files\\Microsoft VS Code\\bin;C:\\Users\\PBRY\\AppData\\Roaming\\npm",
         "PLATFORMIO_CALLER": "vscode"
     }
 }
\ No newline at end of file
diff --git a/platformio.ini b/platformio.ini
index c9539bd..79fc51d 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -7,7 +7,7 @@ board = esp12e
 framework = arduino
 board_build.flash_mode = dio
 ;upload_port = com25
-upload_port = finger.local
+upload_port = 192.168.1.200 ;finger.local
 ;upload_port = /dev/ttyUSB0
 upload_speed = 230400
 lib_deps =
diff --git a/src/configuration.h b/src/configuration.h
index 1878be4..4da8877 100644
--- a/src/configuration.h
+++ b/src/configuration.h
@@ -72,7 +72,9 @@
 
 #define CORS_DEBUG
 
-#define TX_PIN 1
-#define RX_PIN 3
+//#define TX_PIN 1
+#define TX_PIN 14
+//#define RX_PIN 3
+#define RX_PIN 12
 
 #endif
diff --git a/src/vsp.ino b/src/vsp.ino
index 0992a05..ee4ae9f 100644
--- a/src/vsp.ino
+++ b/src/vsp.ino
@@ -157,7 +157,11 @@ void setserialport(int32_t speed, int32_t databits, int32_t parity, int32_t stop
   //  delay(200);
   SP.end();
   delay(10); // 100
-  SP.begin(spd, (SerialConfig)serialMode);
+  #if  (TX_PIN != 1) || (RX_PIN != 3)
+    SP.begin(spd);
+  #else
+    SP.begin(spd, (SerialConfig)serialMode);
+  #endif
   delay(10); // 100
   SP.flush();
   serial_tx = 0;
@@ -168,7 +172,11 @@ void setserialport(int32_t speed, int32_t databits, int32_t parity, int32_t stop
 void sputchar(uint8_t c)
 {
 
+#if  (TX_PIN != 1) || (RX_PIN != 3)
+  if (1)
+#else
   if (fromNet.empty() && SP.availableForWrite())
+#endif
   {
   	SP.write(c);
   	++serial_tx;
@@ -375,8 +383,15 @@ void vsp_loop()
   }
 
   // testovani, zda neposlat nejaka data do serioveho rozhrani
+
+#if  (TX_PIN != 1) || (RX_PIN != 3)
+  if (!fromNet.empty())
+  {
+    len = 1;
+#else
   if (!fromNet.empty() && (len = SP.availableForWrite()))
   {
+#endif
   	  size_t will_copy = (len < sizeof(sbuf)) ? len : sizeof(sbuf);
   	  will_copy = fromNet.read((char *)sbuf, will_copy);
   	  SP.write(sbuf, will_copy);