diff --git a/lib/AddLufa.cmake b/lib/AddLufa.cmake
index d9e1664..84be75a 100644
--- a/lib/AddLufa.cmake
+++ b/lib/AddLufa.cmake
@@ -9,7 +9,6 @@ add_library(
   lufa/LUFA/Drivers/USB/Core/Events.c
   lufa/LUFA/Drivers/USB/Core/DeviceStandardReq.c
   lufa/LUFA/Drivers/USB/Core/USBTask.c
-  lufa/LUFA/CodeTemplates/DeviceTemplate/Descriptors.c
   lufa/LUFA/Drivers/USB/Core/AVR8/EndpointStream_AVR8.c
   Descriptors.c
 )
diff --git a/lib/Descriptors.c b/lib/Descriptors.c
index 5ef99b9..e5c111e 100644
--- a/lib/Descriptors.c
+++ b/lib/Descriptors.c
@@ -54,8 +54,8 @@ const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
 
 	.Endpoint0Size          = FIXED_CONTROL_ENDPOINT_SIZE,
 
-	.VendorID               = 0x03EB,
-	.ProductID              = 0x2044,
+	.VendorID               = 0x2C99,
+	.ProductID              = 0x0004,
 	.ReleaseNumber          = VERSION_BCD(0,0,1),
 
 	.ManufacturerStrIndex   = STRING_ID_Manufacturer,
@@ -185,13 +185,13 @@ const USB_Descriptor_String_t PROGMEM LanguageString = USB_STRING_DESCRIPTOR_ARR
  *  form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
  *  Descriptor.
  */
-const USB_Descriptor_String_t PROGMEM ManufacturerString = USB_STRING_DESCRIPTOR(L"LUFA Library");
+const USB_Descriptor_String_t PROGMEM ManufacturerString = USB_STRING_DESCRIPTOR(L"Prusa3D");
 
 /** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
  *  and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
  *  Descriptor.
  */
-const USB_Descriptor_String_t PROGMEM ProductString = USB_STRING_DESCRIPTOR(L"LUFA CDC Demo");
+const USB_Descriptor_String_t PROGMEM ProductString = USB_STRING_DESCRIPTOR(L"Original Prusa i3 MK3 Multi Material 2.0 upgrade");
 
 /** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
  *  documentation) by the application code so that the address and size of a requested descriptor can be given
diff --git a/src/main.cpp b/src/main.cpp
index 9893103..1e43b60 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -76,11 +76,17 @@ USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
 			},
 	};
 
-void testFunc(uint8_t i) {
-    char str[30];
-    sprintf_P(str, PSTR("testFunc(%hu)\n"), i);
-    hal::usart::usart1.puts(str);
-}
+// void testFunc1(uint8_t i) {
+//     char str[30];
+//     sprintf_P(str, PSTR("testFunc1(%hu)\n"), i);
+//     hal::usart::usart1.puts(str);
+// }
+
+// void testFunc2(uint8_t i) {
+//     char str[30];
+//     sprintf_P(str, PSTR("testFunc2(%hu)\n"), i);
+//     hal::usart::usart1.puts(str);
+// }
 
 /** Event handler for the library USB Connection event. */
 void EVENT_USB_Device_Connect(void)
@@ -102,8 +108,8 @@ void EVENT_USB_Device_ConfigurationChanged(void)
 	ConfigSuccess &= CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);
 
 	// LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
-    char str1[] = "ready";
-    char str0[] = "error";
+    char str1[] = "ready\n";
+    char str0[] = "error\n";
     hal::usart::usart1.puts("EVENT_USB_Device_ConfigurationChanged:");
     hal::usart::usart1.puts(ConfigSuccess ? str1 : str0);
 }