diff --git a/firmware/config/boards/microrusefi/board.mk b/firmware/config/boards/microrusefi/board.mk
index 61c0437d01..85a1f40a83 100644
--- a/firmware/config/boards/microrusefi/board.mk
+++ b/firmware/config/boards/microrusefi/board.mk
@@ -12,10 +12,8 @@ else
   BOARDINC += $(BOARDS_DIR)/microrusefi # For knock_config.h
 endif
 
-ifeq ($(LED_CRITICAL_ERROR_BRAIN_PIN),)
-  LED_CRITICAL_ERROR_BRAIN_PIN = -DLED_CRITICAL_ERROR_BRAIN_PIN=Gpio::E3
-endif
-
+# see also openblt/board.mk STATUS_LED
+LED_CRITICAL_ERROR_BRAIN_PIN = -DLED_CRITICAL_ERROR_BRAIN_PIN=Gpio::E3
 
 # *TEMPORARY* breaking TTL thus breaking Bluetooth for microRusEFI in order to enable SPI3 for SD card
 # *TODO* need to give people the horrible choice between Bluetooth via TTL or SD card via SPI :( horrible choice 
diff --git a/firmware/config/boards/microrusefi/openblt/board.mk b/firmware/config/boards/microrusefi/openblt/board.mk
index 8ff5811e79..c2a886ea7d 100644
--- a/firmware/config/boards/microrusefi/openblt/board.mk
+++ b/firmware/config/boards/microrusefi/openblt/board.mk
@@ -14,3 +14,5 @@ BRDFLAGS    = -DSTM32F429xx
 #| Specify library files                                                                |
 #|--------------------------------------------------------------------------------------|
 LIBS = 
+
+BRDFLAGS += -DSTATUS_LED_PORT=GPIOE -DSTATUS_LED_PIN=GPIO_PIN_3
\ No newline at end of file
diff --git a/firmware/config/boards/microrusefi/openblt/led.c b/firmware/config/boards/microrusefi/openblt/led.c
deleted file mode 100644
index 44274c26b1..0000000000
--- a/firmware/config/boards/microrusefi/openblt/led.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/************************************************************************************//**
-* \file         Demo/ARMCM4_STM32F4_Nucleo_F429ZI_GCC/Bootled.c
-* \brief        LED driver source file.
-* \ingroup      Boot_ARMCM4_STM32F4_Nucleo_F429ZI_GCC
-* \internal
-*----------------------------------------------------------------------------------------
-*                          C O P Y R I G H T
-*----------------------------------------------------------------------------------------
-*   Copyright (c) 2021  by Feaser    http://www.feaser.com    All rights reserved
-*
-*----------------------------------------------------------------------------------------
-*                            L I C E N S E
-*----------------------------------------------------------------------------------------
-* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
-* modify it under the terms of the GNU General Public License as published by the Free
-* Software Foundation, either version 3 of the License, or (at your option) any later
-* version.
-*
-* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
-* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-* PURPOSE. See the GNU General Public License for more details.
-*
-* You have received a copy of the GNU General Public License along with OpenBLT. It
-* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
-*
-* \endinternal
-****************************************************************************************/
-
-/****************************************************************************************
-* Include files
-****************************************************************************************/
-#include "boot.h"                                /* bootloader generic header          */
-#include "led.h"                                 /* module header                      */
-#include "stm32f4xx.h"                           /* STM32 registers and drivers        */
-
-
-/****************************************************************************************
-* Local data declarations
-****************************************************************************************/
-/** \brief Holds the desired LED blink interval time. */
-static blt_int16u ledBlinkIntervalMs;
-
-
-/************************************************************************************//**
-** \brief     Initializes the LED blink driver.
-** \param     interval_ms Specifies the desired LED blink interval time in milliseconds.
-** \return    none.
-**
-****************************************************************************************/
-void LedBlinkInit(blt_int16u interval_ms)
-{
-  /* store the interval time between LED toggles */
-  ledBlinkIntervalMs = interval_ms;
-} /*** end of LedBlinkInit ***/
-
-
-/************************************************************************************//**
-** \brief     Task function for blinking the LED as a fixed timer interval.
-** \return    none.
-**
-****************************************************************************************/
-void LedBlinkTask(void)
-{
-  static blt_bool ledOn = BLT_FALSE;
-  static blt_int32u nextBlinkEvent = 0;
-
-  /* check for blink event */
-  if (TimerGet() >= nextBlinkEvent)
-  {
-    /* toggle the LED state */
-    if (ledOn == BLT_FALSE)
-    {
-      ledOn = BLT_TRUE;
-      HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_SET);
-    }
-    else
-    {
-      ledOn = BLT_FALSE;
-      HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_RESET);
-    }
-    /* schedule the next blink event */
-    nextBlinkEvent = TimerGet() + ledBlinkIntervalMs;
-  }
-} /*** end of LedBlinkTask ***/
-
-
-/************************************************************************************//**
-** \brief     Cleans up the LED blink driver. This is intended to be used upon program
-**            exit.
-** \return    none.
-**
-****************************************************************************************/
-void LedBlinkExit(void)
-{
-  /* turn the LED off */
-  HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_RESET);
-} /*** end of LedBlinkExit ***/
-
-
-/*********************************** end of led.c **************************************/
diff --git a/firmware/config/boards/proteus/board.mk b/firmware/config/boards/proteus/board.mk
index b04872bd2a..286e14bfde 100644
--- a/firmware/config/boards/proteus/board.mk
+++ b/firmware/config/boards/proteus/board.mk
@@ -9,6 +9,7 @@ ifeq ($(PROJECT_CPU),ARCH_STM32F4)
 endif
 
 DDEFS += -DEFI_USE_OSC=TRUE
+# see also openblt/board.mk STATUS_LED
 DDEFS += -DLED_CRITICAL_ERROR_BRAIN_PIN=Gpio::E3
 DDEFS += -DFIRMWARE_ID=\"proteus\"
 DDEFS += $(VAR_DEF_ENGINE_TYPE)
diff --git a/firmware/config/boards/proteus/openblt/board.mk b/firmware/config/boards/proteus/openblt/board.mk
index 5b728a03f5..4927b61814 100644
--- a/firmware/config/boards/proteus/openblt/board.mk
+++ b/firmware/config/boards/proteus/openblt/board.mk
@@ -22,3 +22,5 @@ endif
 #| Specify library files                                                                |
 #|--------------------------------------------------------------------------------------|
 LIBS = 
+
+BRDFLAGS += -DSTATUS_LED_PORT=GPIOE -DSTATUS_LED_PIN=GPIO_PIN_3
\ No newline at end of file
diff --git a/firmware/config/boards/proteus/openblt/led.h b/firmware/config/boards/proteus/openblt/led.h
deleted file mode 100644
index 73f07cd273..0000000000
--- a/firmware/config/boards/proteus/openblt/led.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/************************************************************************************//**
-* \file         Demo/ARMCM4_STM32F4_Nucleo_F429ZI_GCC/Boot/led.h
-* \brief        LED driver header file.
-* \ingroup      Boot_ARMCM4_STM32F4_Nucleo_F429ZI_GCC
-* \internal
-*----------------------------------------------------------------------------------------
-*                          C O P Y R I G H T
-*----------------------------------------------------------------------------------------
-*   Copyright (c) 2021  by Feaser    http://www.feaser.com    All rights reserved
-*
-*----------------------------------------------------------------------------------------
-*                            L I C E N S E
-*----------------------------------------------------------------------------------------
-* This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
-* modify it under the terms of the GNU General Public License as published by the Free
-* Software Foundation, either version 3 of the License, or (at your option) any later
-* version.
-*
-* OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
-* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-* PURPOSE. See the GNU General Public License for more details.
-*
-* You have received a copy of the GNU General Public License along with OpenBLT. It 
-* should be located in ".\Doc\license.html". If not, contact Feaser to obtain a copy.
-*
-* \endinternal
-****************************************************************************************/
-#ifndef LED_H
-#define LED_H
-
-/****************************************************************************************
-* Function prototypes
-****************************************************************************************/
-void LedBlinkInit(blt_int16u interval_ms);
-void LedBlinkTask(void);
-void LedBlinkExit(void);
-
-
-#endif /* LED_H */
-/*********************************** end of led.h **************************************/
diff --git a/firmware/config/boards/proteus/openblt/led.c b/firmware/hw_layer/openblt/led.c
similarity index 96%
rename from firmware/config/boards/proteus/openblt/led.c
rename to firmware/hw_layer/openblt/led.c
index da6bf9941f..7e921890b9 100644
--- a/firmware/config/boards/proteus/openblt/led.c
+++ b/firmware/hw_layer/openblt/led.c
@@ -79,12 +79,12 @@ void LedBlinkTask(void)
     if (ledOn == BLT_FALSE)
     {
       ledOn = BLT_TRUE;
-      HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_SET);
+      HAL_GPIO_WritePin(STATUS_LED_PORT, STATUS_LED_PIN, GPIO_PIN_SET);
     }
     else
     {
       ledOn = BLT_FALSE;
-      HAL_GPIO_WritePin(GPIOE, GPIO_PIN_3, GPIO_PIN_RESET);
+      HAL_GPIO_WritePin(STATUS_LED_PORT, STATUS_LED_PIN, GPIO_PIN_RESET);
     }
     /* schedule the next blink event */
     nextBlinkEvent = TimerGet() + ledBlinkIntervalMs;
diff --git a/firmware/config/boards/microrusefi/openblt/led.h b/firmware/hw_layer/openblt/led.h
similarity index 100%
rename from firmware/config/boards/microrusefi/openblt/led.h
rename to firmware/hw_layer/openblt/led.h
diff --git a/firmware/hw_layer/openblt/openblt.mk b/firmware/hw_layer/openblt/openblt.mk
index 9c098efc9d..e6af33e884 100644
--- a/firmware/hw_layer/openblt/openblt.mk
+++ b/firmware/hw_layer/openblt/openblt.mk
@@ -81,6 +81,8 @@ PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/*.c)
 PROJ_FILES += $(wildcard $(OPENBLT_TRGT_DIR)/Source/*.h)
 
 PROJ_FILES += $(PROJECT_DIR)/hw_layer/openblt/hooks.c
+PROJ_FILES += $(PROJECT_DIR)/hw_layer/openblt/led.c
+PROJ_FILES += $(PROJECT_DIR)/hw_layer/openblt/led.h
 
 # CPU-dependent sources
 ifeq ($(PROJECT_CPU),ARCH_STM32F4)