diff --git a/.github/workflows/MarkdwonLinksCheck.yml b/.github/workflows/MarkdwonLinksCheck.yml
new file mode 100644
index 0000000000..ac2d0ef904
--- /dev/null
+++ b/.github/workflows/MarkdwonLinksCheck.yml
@@ -0,0 +1,23 @@
+name: Check Markdown Links
+# runs every monday at 9 am
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '**.md'
+  pull_request:
+    paths:
+      - '**.md'
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+jobs:
+  linkinator:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: JustinBeckwith/linkinator-action@v1
+        with:
+          paths: '*.md ./CI/**/*.md, ./variants/**/*.md, ./libraries/**/*.md'
+          verbosity: 'INFO'
+          skip: 'www.st.com'
diff --git a/README.md b/README.md
index eb57b574de..47329e00d7 100644
--- a/README.md
+++ b/README.md
@@ -175,8 +175,8 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 
 | Status | Device(s) | Name | Release | Notes |
 | :----: | :-------: | ---- | :-----: | :---- |
-| :green_heart:  | STM32MP157A | [STM32MP157A-DK1](https://www.st.com/en/evaluation-tools/stm32mp157a-dk1.html) | *1.8.0* | See [the documentation](https://github.com/stm32duino/Arduino_Core_STM32/tree/main/variants/STM32MP157_DK/README.md) to use this board|
-| :green_heart:  | STM32MP157C | [STM32MP157C-DK2](https://www.st.com/en/evaluation-tools/stm32mp157c-dk2.html) | *1.8.0* | See [the documentation](https://github.com/stm32duino/Arduino_Core_STM32/tree/main/variants/STM32MP157_DK/README.md) to use this board|
+| :green_heart:  | STM32MP157A | [STM32MP157A-DK1](https://www.st.com/en/evaluation-tools/stm32mp157a-dk1.html) | *1.8.0* | See [the documentation](https://github.com/stm32duino/Arduino_Core_STM32/tree/main/variants/STM32MP1xx/MP153AAC_MP153CAC_MP153DAC_MP153FAC_MP157AAC_MP157CAC_MP157DAC_MP157FAC/README.md) to use this board|
+| :green_heart:  | STM32MP157C | [STM32MP157C-DK2](https://www.st.com/en/evaluation-tools/stm32mp157c-dk2.html) | *1.8.0* | See [the documentation](https://github.com/stm32duino/Arduino_Core_STM32/tree/main/variants/STM32MP1xx/MP153AAC_MP153CAC_MP153DAC_MP153FAC_MP157AAC_MP157CAC_MP157DAC_MP157FAC/README.md) to use this board|
 
 ### Generic STM32C0 boards
 
@@ -293,7 +293,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart:  | STM32F302R6<br>STM32F302R8 | Generic Board | *2.0.0* |  |
 | :green_heart:  | STM32F303C6<br>STM32F303C8 | Generic Board | *2.4.0* |  |
 | :green_heart:  | STM32F303CB<br>STM32F303CC | Generic Board | *2.0.0* |  |
-| :green_heart:  | STM32F303CC | [RobotDyn Black Pill](https://stm32-base.org/boards/STM32F303CCT6-RobotDyn-Black-Pill) | *1.6.1* | [More info](https://robotdyn.com/catalog/development-boards/stm-boards-and-shields.html) |
+| :green_heart:  | STM32F303CC | [RobotDyn Black Pill](https://stm32-base.org/boards/STM32F303CCT6-RobotDyn-Black-Pill) | *1.6.1* | |
 | :green_heart:  | STM32F303K6<br>STM32F303K8 | Generic Board | *2.0.0* |  |
 | :green_heart:  | STM32F303R6<br>STM32F303R8 | Generic Board | *2.4.0* |  |
 | :green_heart:  | STM32F303RD<br>STM32F303RE | Generic Board | *2.0.0* |  |
@@ -526,7 +526,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart: | STM32H750IB<br>STM32H750II | Generic Board | *2.0.0* |  |
 | :green_heart: | STM32H750IB | [Daisy](https://www.electro-smith.com/daisy/daisy) | *1.9.0* |  |
 | :green_heart: | STM32H750IB | [Daisy Patch SM](https://www.electro-smith.com/daisy/patch-sm) | *2.2.0* |  |
-| :green_heart: | STM32H750IB | [Daisy Petal SM](https://www.electro-smith.com/daisy/petal-125b-sm) | *2.2.0* |  |
+| :green_heart: | STM32H750IB | [Daisy Petal SM](https://www.electro-smith.com) | *2.2.0* |  |
 | :green_heart: | STM32H750VB | Generic Board | *2.0.0* |  |
 | :green_heart: | STM32H750VB | [DevEBox H750VBT6](https://github.com/mcauser/MCUDEV_DEVEBOX_H7XX_M) | *2.2.0* | |
 | :green_heart: | STM32H750VB | [WeAct MiniSTM32H750VBT6](https://github.com/WeActStudio/MiniSTM32H7xx) | *2.2.0* | [More info](https://github.com/stm32duino/Arduino_Core_STM32/pull/1552) |
@@ -581,7 +581,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart:  | STM32L072KB<br>STM32L072KZ | Generic Board | *2.4.0* |  |
 | :green_heart: | STM32L072KBT<br>STM32L072KZT | Generic Board | *2.0.0* |  |
 | :green_heart: | STM32L072KZT | [ThunderPack v1.0](https://github.com/jgillick/ThunderPack) | *1.8.0* |  |
-| :green_heart: | STM32L072RBT | [PX-HER0](https://piconomix.com/fwlib/_p_i_c_o_n_o_m_i_x__s_t_m32__h_e_r_o__b_o_a_r_d.html) | *1.8.0* |  |
+| :green_heart: | STM32L072RBT | [PX-HER0](https://piconomix.com/) | *1.8.0* |  |
 | :green_heart:  | STM32L072RB<br>STM32L072RZ | Generic Board | *2.4.0* |  |
 | :green_heart: | STM32L072RBT<br>STM32L072RZT | Generic Board | *2.0.0* |  |
 | :green_heart:  | STM32L072V8<br>STM32L072VB<br>STM32L072VZ | Generic Board | *2.4.0* |
@@ -721,7 +721,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 
 | Status | Device(s) | Name | Release | Notes |
 | :----: | :-------: | ---- | :-----: | :---- |
-| :green_heart:  | STM32F051K6U | [Wraith V1 ESC](https://www.readytoflyquads.com/35a-wraith32-v11-32bit-blheli-esc) | *1.8.0* |  |
+| :green_heart:  | STM32F051K6U | [Wraith V1 ESC](https://www.quadsrtf.com/product/35a-wraith32-32bit-blheli-esc) | *1.8.0* |  |
 | :green_heart:  | STM32F103RCT | [STorM32 V1.31 RC](http://www.olliw.eu/storm32bgc-wiki/STorM32_Boards#STorM32-BGC_v1.3) | *2.1.0* |  |
 
 ### [Garatronic](https://www.garatronic.fr)/[McHobby](https://shop.mchobby.be) boards
@@ -747,7 +747,7 @@ User can add a STM32 based board following this [wiki](https://github.com/stm32d
 | :green_heart:  | STM32L073RZ | [AcSIP S76S](https://www.acsip.com.tw) | *2.3.0* |  |
 | :green_heart:  | STM32F072C8<br>STM32F072CB | [Elektor LoRa Node](https://github.com/ElektorLabs/180516-Elektor_LoRa_Node) | *1.8.0* | [More info](https://www.elektormagazine.com/labs/lorawan-node-experimental-platform) |
 | :green_heart:  | STM32L151CB | [RAK811 LoRa Tracker](https://www.rakwireless.com/en/) | *1.4.0* | [Wiki](https://github.com/stm32duino/wiki/wiki/Connectivities#lora) |
-| :green_heart:  | STM32L051C8 | [RHF76-052](https://www.ai-thinker.com/) | *1.7.0* | Basic support |
+| :green_heart:  | STM32L051C8 | [RHF76-052](https://lora-alliance.org/lora_products/rhf76-052/) | *1.7.0* | Basic support |
 
 ### [Midatronics](https://midatronics.com/) boards
 
diff --git a/variants/STM32MP1xx/MP153AAC_MP153CAC_MP153DAC_MP153FAC_MP157AAC_MP157CAC_MP157DAC_MP157FAC/README.md b/variants/STM32MP1xx/MP153AAC_MP153CAC_MP153DAC_MP153FAC_MP157AAC_MP157CAC_MP157DAC_MP157FAC/README.md
index 0c634de6e7..70320b6f07 100644
--- a/variants/STM32MP1xx/MP153AAC_MP153CAC_MP153DAC_MP153FAC_MP157AAC_MP157CAC_MP157DAC_MP157FAC/README.md
+++ b/variants/STM32MP1xx/MP153AAC_MP153CAC_MP153DAC_MP153FAC_MP157AAC_MP157CAC_MP157DAC_MP157FAC/README.md
@@ -245,7 +245,7 @@ There are additional pins for LEDs and buttons.
 | PA_13 | 17 / LED_RED                  | USER2_BTN            | Active Low, LED LD6, also connected to B4 button |
 | PH_7  | 18 / LED_ORANGE / LED_BUILTIN |                      | Active High, LED LD7                             |
 
-[`variant.h` of the board] has the complete information about the pinouts.
+[`variant_STM32MP157_DK.h` of the board] has the complete information about the pinouts.
 
 ## Uploading
 
@@ -284,7 +284,7 @@ And then the Device Tree should enable TIM1 for the coprocessor, although this d
 };
 ```
 
-[stm32mp157c-dk2-m4-examples.dts] is a great example to begin with. For the full list of peripherals used by the Arduino firmware, see [PeripheralPins.c](/variants/STM32MP157_DK/PeripheralPins.c) of the board.
+[stm32mp157c-dk2-m4-examples.dts] is a great example to begin with. For the full list of peripherals used by the Arduino firmware, see [PeripheralPins_STM32MP157_DK.c](/variants/STM32MP1xx/MP153AAC_MP153CAC_MP153DAC_MP153FAC_MP157AAC_MP157CAC_MP157DAC_MP157FAC/PeripheralPins_STM32MP157_DK.c) of the board.
 
 ## Limitations
 
@@ -314,7 +314,7 @@ And then the Device Tree should enable TIM1 for the coprocessor, although this d
 [build_opt.h description in wiki]: https://github.com/stm32duino/wiki/wiki/Customize-build-options-using-build_opt.h
 [virtio_log.h]: /cores/arduino/stm32/OpenAMP/virtio_log.h
 
-[`variant.h` of the board]: /variants/STM32MP157_DK/variant.h
+[`variant_STM32MP157_DK.h` of the board]: /variants/STM32MP1xx/MP153AAC_MP153CAC_MP153DAC_MP153FAC_MP157AAC_MP157CAC_MP157DAC_MP157FAC/variant_STM32MP157_DK.h
 
 [The ST Wiki page on C-Kermit]: https://wiki.st.com/stm32mpu/wiki/How_to_transfer_a_file_over_serial_console
 [a bug in OpenSTLinux]: https://community.st.com/s/question/0D50X0000B9vHa4/cannot-get-download-a-file-using-kermit

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