diff --git a/esp3d/src/core/esp3d.cpp b/esp3d/src/core/esp3d.cpp
index 68265134..83019c16 100644
--- a/esp3d/src/core/esp3d.cpp
+++ b/esp3d/src/core/esp3d.cpp
@@ -36,7 +36,7 @@
 #if COMMUNICATION_PROTOCOL == SOCKET_SERIAL
 #include "../modules/serial2socket/serial2socket.h"
 #endif  // COMMUNICATION_PROTOCOL ==SOCKET_SERIAL
-#if defined(WIFI_FEATURE) || defined(ETH_FEATURE)
+#if defined(WIFI_FEATURE) || defined(ETH_FEATURE) || defined(BLUETOOTH_FEATURE)
 #include "../modules/network/netconfig.h"
 #endif  // WIFI_FEATURE || ETH FEATURE
 #if defined(FILESYSTEM_FEATURE)
diff --git a/esp3d/src/include/esp3d_version.h b/esp3d/src/include/esp3d_version.h
index 39e3edec..fc6f48bb 100644
--- a/esp3d/src/include/esp3d_version.h
+++ b/esp3d/src/include/esp3d_version.h
@@ -22,7 +22,7 @@
 #define _VERSION_ESP3D_H
 
 // version and sources location
-#define FW_VERSION "3.0.0.7b1"
+#define FW_VERSION "3.0.0.8b1"
 #define REPOSITORY "https://github.com/luc-github/ESP3D/tree/3.0"
 
 #endif  //_VERSION_ESP3D_H
diff --git a/lua_script_examples/echo-serial/echo-serial.lua b/lua_script_examples/echo-serial/echo-serial.lua
new file mode 100644
index 00000000..dbef38fb
--- /dev/null
+++ b/lua_script_examples/echo-serial/echo-serial.lua
@@ -0,0 +1,26 @@
+--[[
+    Echo Serial
+
+    This example echo serial outout to serial with echo: header 
+    Put this script in the ESP3D flash file system and call it from the init script in 
+    configuration.h.
+    #define ESP_AUTOSTART_SCRIPT "[ESP300]/FS/detectpush.lua"
+
+    Be sure to have the following line comment out in the configure.h:
+    #define ESP_LUA_INTERPRETER_FEATURE
+    ]]--
+
+-- Setup
+local availableMsg = 0
+local message = ""
+while (true) do
+    -- check if have data
+    availableMsg = available()
+    -- if any message
+    if (availableMsg > 0) then
+        message = "echo:" .. readData()
+        print(message)
+    end
+    -- yield to other tasks
+    yield()
+end