diff --git a/examples/knx-usb/platformio-ci_BACKUP_12507.ini b/examples/knx-usb/platformio-ci_BACKUP_12507.ini
deleted file mode 100644
index dbe704d..0000000
--- a/examples/knx-usb/platformio-ci_BACKUP_12507.ini
+++ /dev/null
@@ -1,34 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-<<<<<<< HEAD
-=======
-; not possible within ci
->>>>>>> 06e0365
-;extra_scripts = pre:custom_hwids.py
-;board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_BACKUP_584.ini b/examples/knx-usb/platformio-ci_BACKUP_584.ini
deleted file mode 100644
index dbe704d..0000000
--- a/examples/knx-usb/platformio-ci_BACKUP_584.ini
+++ /dev/null
@@ -1,34 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-<<<<<<< HEAD
-=======
-; not possible within ci
->>>>>>> 06e0365
-;extra_scripts = pre:custom_hwids.py
-;board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_BACKUP_641.ini b/examples/knx-usb/platformio-ci_BACKUP_641.ini
deleted file mode 100644
index dbe704d..0000000
--- a/examples/knx-usb/platformio-ci_BACKUP_641.ini
+++ /dev/null
@@ -1,34 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-<<<<<<< HEAD
-=======
-; not possible within ci
->>>>>>> 06e0365
-;extra_scripts = pre:custom_hwids.py
-;board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_BASE_12507.ini b/examples/knx-usb/platformio-ci_BASE_12507.ini
deleted file mode 100644
index 60cc010..0000000
--- a/examples/knx-usb/platformio-ci_BASE_12507.ini
+++ /dev/null
@@ -1,30 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam@6.0.1
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-extra_scripts = pre:custom_hwids.py
-board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_BASE_584.ini b/examples/knx-usb/platformio-ci_BASE_584.ini
deleted file mode 100644
index 6cb0046..0000000
--- a/examples/knx-usb/platformio-ci_BASE_584.ini
+++ /dev/null
@@ -1,30 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam@6.0.1
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-extra_scripts = pre:custom_hwids.py
-board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_BASE_641.ini b/examples/knx-usb/platformio-ci_BASE_641.ini
deleted file mode 100644
index 60cc010..0000000
--- a/examples/knx-usb/platformio-ci_BASE_641.ini
+++ /dev/null
@@ -1,30 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam@6.0.1
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-extra_scripts = pre:custom_hwids.py
-board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_LOCAL_12507.ini b/examples/knx-usb/platformio-ci_LOCAL_12507.ini
deleted file mode 100644
index 90d791c..0000000
--- a/examples/knx-usb/platformio-ci_LOCAL_12507.ini
+++ /dev/null
@@ -1,30 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-;extra_scripts = pre:custom_hwids.py
-;board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_LOCAL_584.ini b/examples/knx-usb/platformio-ci_LOCAL_584.ini
deleted file mode 100644
index b3dc599..0000000
--- a/examples/knx-usb/platformio-ci_LOCAL_584.ini
+++ /dev/null
@@ -1,30 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-;extra_scripts = pre:custom_hwids.py
-;board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_LOCAL_641.ini b/examples/knx-usb/platformio-ci_LOCAL_641.ini
deleted file mode 100644
index 90d791c..0000000
--- a/examples/knx-usb/platformio-ci_LOCAL_641.ini
+++ /dev/null
@@ -1,30 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-;extra_scripts = pre:custom_hwids.py
-;board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_REMOTE_12507.ini b/examples/knx-usb/platformio-ci_REMOTE_12507.ini
deleted file mode 100644
index 6688b72..0000000
--- a/examples/knx-usb/platformio-ci_REMOTE_12507.ini
+++ /dev/null
@@ -1,31 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-; not possible within ci
-;extra_scripts = pre:custom_hwids.py
-;board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_REMOTE_584.ini b/examples/knx-usb/platformio-ci_REMOTE_584.ini
deleted file mode 100644
index 056b639..0000000
--- a/examples/knx-usb/platformio-ci_REMOTE_584.ini
+++ /dev/null
@@ -1,31 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-; not possible within ci
-;extra_scripts = pre:custom_hwids.py
-;board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE
diff --git a/examples/knx-usb/platformio-ci_REMOTE_641.ini b/examples/knx-usb/platformio-ci_REMOTE_641.ini
deleted file mode 100644
index 6688b72..0000000
--- a/examples/knx-usb/platformio-ci_REMOTE_641.ini
+++ /dev/null
@@ -1,31 +0,0 @@
-;PlatformIO Project Configuration File
-;
-;   Build options: build flags, source filter
-;   Upload options: custom upload port, speed and extra flags
-;   Library options: dependencies, extra library storages
-;   Advanced options: extra scripting
-;
-; Please visit documentation for the other options and examples
-; https://docs.platformio.org/page/projectconf.html
-[env:adafruit_feather_m0]
-platform = atmelsam
-board = adafruit_feather_m0
-framework = arduino
-
-; VID must be changed to some known KNX Manufacturer 
-; so that the KNX USB interface gets recognized by ETS
-; not possible within ci
-;extra_scripts = pre:custom_hwids.py
-;board_build.usb_product="KNX RF - USB Interface"
-
-lib_deps =
-  SPI
-  Adafruit TinyUSB Library@0.7.1
-  knx
-  
-build_flags =
-  -DMASK_VERSION=0x27B0
-  -DUSE_USB
-  -DUSE_TINYUSB
-  -Wno-unknown-pragmas
-  -DUSE_DATASECURE