diff --git a/core/furi.c b/core/furi.c
index d484fbbd4..1a5d3ff1a 100644
--- a/core/furi.c
+++ b/core/furi.c
@@ -2,9 +2,9 @@
 #include "cmsis_os.h"
 #include <string.h>
 
-#define DEBUG
+// TODO: this file contains printf, that not implemented on uC target
 
-#ifdef DEBUG
+#ifdef FURI_DEBUG
 #include <stdio.h>
 #endif
 
@@ -28,13 +28,13 @@ static FuriRecord* find_record(const char* name) {
 }
 
 bool furi_create(const char* name, void* value, size_t size) {
-    #ifdef DEBUG
+    #ifdef FURI_DEBUG
         printf("[FURI] creating %s record\n", name);
     #endif
 
     if(current_buffer_idx >= MAX_RECORD_COUNT) {
         // max record count exceed
-        #ifdef DEBUG
+        #ifdef FURI_DEBUG
             printf("[FURI] max record count exceed\n");
         #endif
         return NULL;
@@ -62,7 +62,7 @@ FuriRecordHandler furi_open(
     FlipperRecordCallback value_callback,
     FlipperRecordStateCallback state_callback
 ) {
-    #ifdef DEBUG
+    #ifdef FURI_DEBUG
         printf("[FURI] opening %s record\n", name);
     #endif
 
@@ -71,7 +71,7 @@ FuriRecordHandler furi_open(
 
     if(record == NULL) {
         // cannot find record
-        #ifdef DEBUG
+        #ifdef FURI_DEBUG
             printf("[FURI] cannot find record %s\n", name);
         #endif
 
@@ -91,7 +91,7 @@ FuriRecordHandler furi_open(
 
     if(subscriber == NULL) {
         // cannot add subscriber (full)
-        #ifdef DEBUG
+        #ifdef FURI_DEBUG
             printf("[FURI] cannot add subscriber (full)\n");
         #endif
 
@@ -123,7 +123,7 @@ FuriRecordHandler furi_open(
 
 
 void furi_close(FuriRecordHandler* handler) {
-    #ifdef DEBUG
+    #ifdef FURI_DEBUG
         printf("[FURI] closing %s record\n", handler->record->name);
     #endif
 
@@ -163,7 +163,7 @@ void furi_give(FuriRecordHandler* handler) {
 }
 
 bool furi_read(FuriRecordHandler* handler, void* value, size_t size) {
-    #ifdef DEBUG
+    #ifdef FURI_DEBUG
         printf("[FURI] read from %s\n", handler->record->name);
     #endif
 
@@ -183,7 +183,7 @@ bool furi_read(FuriRecordHandler* handler, void* value, size_t size) {
 }
 
 bool furi_write(FuriRecordHandler* handler, const void* value, size_t size) {
-    #ifdef DEBUG
+    #ifdef FURI_DEBUG
         printf("[FURI] write to %s\n", handler->record->name);
     #endif
 
diff --git a/core/furi_ac.c b/core/furi_ac.c
index 31715d2ba..516784329 100644
--- a/core/furi_ac.c
+++ b/core/furi_ac.c
@@ -1,9 +1,9 @@
 #include "furi.h"
 #include "cmsis_os.h"
 
-#define DEBUG
+// TODO: this file contains printf, that not implemented on uC target
 
-#ifdef DEBUG
+#ifdef FURI_DEBUG
 #include <stdio.h>
 #endif
 
@@ -29,7 +29,7 @@ FuriApp* find_task(TaskHandle_t handler) {
 }
 
 FuriApp* furiac_start(FlipperApplication app, const char* name, void* param) {
-    #ifdef DEBUG
+    #ifdef FURI_DEBUG
         printf("[FURIAC] start %s\n", name);
     #endif
 
@@ -37,7 +37,7 @@ FuriApp* furiac_start(FlipperApplication app, const char* name, void* param) {
 
     if(current_buffer_idx >= MAX_TASK_COUNT) {
         // max task count exceed
-        #ifdef DEBUG
+        #ifdef FURI_DEBUG
             printf("[FURIAC] max task count exceed\n");
         #endif
         return NULL;
@@ -67,7 +67,7 @@ FuriApp* furiac_start(FlipperApplication app, const char* name, void* param) {
 }
 
 bool furiac_kill(FuriApp* app) {
-    #ifdef DEBUG
+    #ifdef FURI_DEBUG
         printf("[FURIAC] kill %s\n", app->name);
     #endif
 
@@ -90,14 +90,14 @@ void furiac_exit(void* param) {
 
     // run prev
     if(current_task != NULL) {
-        #ifdef DEBUG
+        #ifdef FURI_DEBUG
             printf("[FURIAC] exit %s\n", current_task->name);
         #endif
 
         if(current_task->prev != NULL) {
             furiac_start(current_task->prev, current_task->prev_name, param);
         } else {
-            #ifdef DEBUG
+            #ifdef FURI_DEBUG
                 printf("[FURIAC] no prev\n");
             #endif
         }
@@ -116,12 +116,12 @@ void furiac_switch(FlipperApplication app, char* name, void* param) {
     FuriApp* current_task = find_task(xTaskGetCurrentTaskHandle());
 
     if(current_task == NULL) {
-        #ifdef DEBUG
+        #ifdef FURI_DEBUG
             printf("[FURIAC] no current task found\n");
         #endif
     }
 
-    #ifdef DEBUG
+    #ifdef FURI_DEBUG
         printf("[FURIAC] switch %s to %s\n", current_task->name, name);
     #endif
 
diff --git a/target_f1/.mxproject b/target_f1/.mxproject
index c987386fa..aaa3556d6 100644
--- a/target_f1/.mxproject
+++ b/target_f1/.mxproject
@@ -1,7 +1,7 @@
 [PreviousGenFiles]
-HeaderPath=/home/aanper/project/flipperzero/fw/target_prod/Inc
+HeaderPath=/home/aanper/project/flipperzero/flipperzero-firmware-community/target_f1/Inc
 HeaderFiles=FreeRTOSConfig.h;stm32l4xx_it.h;stm32l4xx_hal_conf.h;main.h;usb_device.h;usbd_conf.h;usbd_desc.h;usbd_cdc_if.h;
-SourcePath=/home/aanper/project/flipperzero/fw/target_prod/Src
+SourcePath=/home/aanper/project/flipperzero/flipperzero-firmware-community/target_f1/Src
 SourceFiles=freertos.c;stm32l4xx_it.c;stm32l4xx_hal_msp.c;main.c;usb_device.c;usbd_conf.c;usbd_desc.c;usbd_cdc_if.c;
 
 [PreviousLibFiles]
diff --git a/target_f1/Inc/flipper_hal.h b/target_f1/Inc/flipper_hal.h
index 3a33aaedd..aae9014b5 100644
--- a/target_f1/Inc/flipper_hal.h
+++ b/target_f1/Inc/flipper_hal.h
@@ -97,4 +97,4 @@ inline void app_tim_pulse(uint32_t width) {
 inline void app_tim_stop() {
     HAL_TIM_OC_Stop(&htim8, TIM_CHANNEL_2);
     HAL_TIM_IC_Stop(&htim8, TIM_CHANNEL_2);
-}
\ No newline at end of file
+}
diff --git a/target_f1/Makefile b/target_f1/Makefile
index f80c8b3f1..0a8c9311c 100644
--- a/target_f1/Makefile
+++ b/target_f1/Makefile
@@ -34,8 +34,14 @@ BUILD_DIR = build
 ######################################
 # source
 ######################################
-# C sources
-C_SOURCES =  \
+C_SOURCES =
+CPP_SOURCES =
+ASM_SOURCES = 
+C_DEFS =
+
+# Target
+
+C_SOURCES +=  \
 Src/main.c \
 Src/freertos.c \
 Src/stm32l4xx_it.c \
@@ -89,14 +95,44 @@ Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ctlreq.c \
 Middlewares/ST/STM32_USB_Device_Library/Core/Src/usbd_ioreq.c \
 Middlewares/ST/STM32_USB_Device_Library/Class/CDC/Src/usbd_cdc.c
 
-# ASM sources
-ASM_SOURCES =  \
+C_SOURCES += Src/flipper_hal.c
+
+C_DEFS +=  \
+-DUSE_HAL_DRIVER \
+-DSTM32L476xx \
+-DBUTON_INVERT=false \
+-DDEBUG_UART=huart1
+
+ASM_SOURCES +=  \
 startup_stm32l476xx.s
 
-CPP_SOURCES = ../app/app.cpp
+# Core
 
-C_SOURCES += ../app/write.c
-C_SOURCES += Src/flipper_hal.c
+CPP_SOURCES += ../core/app.cpp
+
+C_SOURCES += ../core/debug.c
+C_SOURCES += ../core/furi.c
+C_SOURCES += ../core/furi_ac.c
+
+# System applications
+
+ifeq ($(TEST), 1)
+C_SOURCES += ../applications/tests/furiac_test.c
+C_SOURCES += ../applications/tests/furi_record_test.c
+C_SOURCES += ../applications/tests/test_index.c
+C_DEFS += -DTEST
+endif
+
+# Examples
+
+ifeq ($(EXAMPLE_BLINK), 1)
+C_SOURCES += ../applications/examples/blink.c
+C_DEFS += -DEXAMPLE_BLINK
+endif
+
+# User application
+
+# Add C_SOURCES +=, C_DEFS += or CPP_SOURCES += here
 
 #######################################
 # binaries
@@ -139,13 +175,6 @@ MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
 # AS defines
 AS_DEFS = 
 
-# C defines
-C_DEFS =  \
--DUSE_HAL_DRIVER \
--DSTM32L476xx \
--DBUTON_INVERT=false \
--DDEBUG_UART=huart1
-
 
 # AS includes
 AS_INCLUDES =  \
@@ -196,6 +225,11 @@ LDFLAGS = $(MCU) -specs=nano.specs -specs=nosys.specs -T$(LDSCRIPT) $(LIBDIR) $(
 # default action: build all
 all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
 
+example_blink:
+	EXAMPLE_BLINK=1 make
+
+test:
+	TEST=1 make
 
 #######################################
 # build the application
diff --git a/target_f1/Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS/cmsis_os.h b/target_f1/Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS/cmsis_os.h
index 1fb41866f..331f038a0 100644
--- a/target_f1/Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS/cmsis_os.h
+++ b/target_f1/Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS/cmsis_os.h
@@ -53,6 +53,8 @@
  * POSSIBILITY OF SUCH DAMAGE.
  *---------------------------------------------------------------------------*/
 
+#include <stdbool.h>
+
 #include "FreeRTOS.h"
 #include "task.h"
 #include "timers.h"
@@ -1019,6 +1021,9 @@ osStatus osRecursiveMutexWait (osMutexId mutex_id, uint32_t millisec);
 */
 uint32_t osSemaphoreGetCount(osSemaphoreId semaphore_id);
 
+// FreeRTOS add-on
+bool task_equal(TaskHandle_t a, TaskHandle_t b);
+
 #ifdef  __cplusplus
 }
 #endif
diff --git a/target_f1/Src/freertos.c b/target_f1/Src/freertos.c
index 7c256c201..b8fe8631a 100644
--- a/target_f1/Src/freertos.c
+++ b/target_f1/Src/freertos.c
@@ -25,6 +25,7 @@
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */     
+#include <stdbool.h>
 
 /* USER CODE END Includes */
 
@@ -105,6 +106,11 @@ void vApplicationGetTimerTaskMemory( StaticTask_t **ppxTimerTaskTCBBuffer, Stack
 
 /* Private application code --------------------------------------------------*/
 /* USER CODE BEGIN Application */
+bool task_equal(TaskHandle_t a, TaskHandle_t b) {
+    if(a == NULL || b == NULL) return false;
+
+    return a == b;
+}
      
 /* USER CODE END Application */
 
diff --git a/target_f1/Src/main.c b/target_f1/Src/main.c
index a8c3d266f..ec16554f7 100644
--- a/target_f1/Src/main.c
+++ b/target_f1/Src/main.c
@@ -680,15 +680,20 @@ static void MX_GPIO_Init(void)
   __HAL_RCC_GPIOD_CLK_ENABLE();
 
   /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(GPIOA, DISPLAY_DI_Pin|LED_RED_Pin|CC1101_CS_Pin, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOA, DISPLAY_DI_Pin|CC1101_CS_Pin, GPIO_PIN_RESET);
 
   /*Configure GPIO pin Output Level */
-  HAL_GPIO_WritePin(GPIOB, LED_BLUE_Pin|DISPLAY_RST_Pin|IR_TX_Pin|LED_GREEN_Pin 
-                          |DISPLAY_BACKLIGHT_Pin, GPIO_PIN_RESET);
+  HAL_GPIO_WritePin(GPIOB, LED_BLUE_Pin|LED_GREEN_Pin, GPIO_PIN_SET);
+
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOB, DISPLAY_RST_Pin|IR_TX_Pin|DISPLAY_BACKLIGHT_Pin, GPIO_PIN_RESET);
 
   /*Configure GPIO pin Output Level */
   HAL_GPIO_WritePin(GPIOC, VIBRO_Pin|DISPLAY_CS_Pin, GPIO_PIN_RESET);
 
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(LED_RED_GPIO_Port, LED_RED_Pin, GPIO_PIN_SET);
+
   /*Configure GPIO pins : PC13 PC0 PC1 PC9 */
   GPIO_InitStruct.Pin = GPIO_PIN_13|GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_9;
   GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
@@ -757,7 +762,7 @@ static void MX_GPIO_Init(void)
   GPIO_InitStruct.Pin = LED_RED_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
-  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM;
   HAL_GPIO_Init(LED_RED_GPIO_Port, &GPIO_InitStruct);
 
   /*Configure GPIO pin : PD2 */
diff --git a/target_f1/flipperzero_f1.ioc b/target_f1/flipperzero_f1.ioc
index 1f9b98d38..b6e148130 100644
--- a/target_f1/flipperzero_f1.ioc
+++ b/target_f1/flipperzero_f1.ioc
@@ -170,11 +170,12 @@ PA6.Locked=true
 PA6.Signal=GPXTI6
 PA7.Locked=true
 PA7.Signal=GPIO_Analog
-PA8.GPIOParameters=GPIO_Speed,GPIO_Label,GPIO_ModeDefaultOutputPP
+PA8.GPIOParameters=GPIO_Speed,PinState,GPIO_Label,GPIO_ModeDefaultOutputPP
 PA8.GPIO_Label=LED_RED
 PA8.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_OD
-PA8.GPIO_Speed=GPIO_SPEED_FREQ_HIGH
+PA8.GPIO_Speed=GPIO_SPEED_FREQ_MEDIUM
 PA8.Locked=true
+PA8.PinState=GPIO_PIN_SET
 PA8.Signal=GPIO_Output
 PA9.Locked=true
 PA9.Mode=Asynchronous
@@ -185,11 +186,12 @@ PB0.GPIO_ModeDefaultEXTI=GPIO_MODE_IT_RISING_FALLING
 PB0.GPIO_PuPd=GPIO_PULLDOWN
 PB0.Locked=true
 PB0.Signal=GPXTI0
-PB1.GPIOParameters=GPIO_Speed,GPIO_Label,GPIO_ModeDefaultOutputPP
+PB1.GPIOParameters=GPIO_Speed,PinState,GPIO_Label,GPIO_ModeDefaultOutputPP
 PB1.GPIO_Label=LED_BLUE
 PB1.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_OD
 PB1.GPIO_Speed=GPIO_SPEED_FREQ_MEDIUM
 PB1.Locked=true
+PB1.PinState=GPIO_PIN_SET
 PB1.Signal=GPIO_Output
 PB10.GPIOParameters=GPIO_Label
 PB10.GPIO_Label=DISPLAY_RST
@@ -206,11 +208,12 @@ PB13.GPIO_Label=RFID_OUT
 PB13.Locked=true
 PB13.Mode=Output Compare1 CH1N
 PB13.Signal=TIM15_CH1N
-PB14.GPIOParameters=GPIO_Speed,GPIO_Label,GPIO_ModeDefaultOutputPP
+PB14.GPIOParameters=GPIO_Speed,PinState,GPIO_Label,GPIO_ModeDefaultOutputPP
 PB14.GPIO_Label=LED_GREEN
 PB14.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_OD
 PB14.GPIO_Speed=GPIO_SPEED_FREQ_MEDIUM
 PB14.Locked=true
+PB14.PinState=GPIO_PIN_SET
 PB14.Signal=GPIO_Output
 PB15.GPIOParameters=GPIO_Label
 PB15.GPIO_Label=RFID_PULL
@@ -339,8 +342,8 @@ ProjectManager.MainLocation=Src
 ProjectManager.NoMain=false
 ProjectManager.PreviousToolchain=
 ProjectManager.ProjectBuild=false
-ProjectManager.ProjectFileName=flipperzero_l476.ioc
-ProjectManager.ProjectName=flipperzero_l476
+ProjectManager.ProjectFileName=flipperzero_f1.ioc
+ProjectManager.ProjectName=flipperzero_f1
 ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=Makefile
 ProjectManager.ToolChainLocation=
diff --git a/target_lo/Makefile b/target_lo/Makefile
index e4d83030f..ec7650a4d 100644
--- a/target_lo/Makefile
+++ b/target_lo/Makefile
@@ -19,27 +19,25 @@ BUILD_DIR = build
 ######################################
 # source
 ######################################
-# C sources
-C_SOURCES =  \
-Src/main.c
+C_SOURCES =
+CPP_SOURCES =
+C_DEFS =
 
-CPP_SOURCES = ../core/app.cpp
+# Target 
 
-# Core
-
-C_SOURCES += ../core/debug.c
-C_SOURCES += ../core/furi.c
-C_SOURCES += ../core/furi_ac.c
+C_SOURCES += Src/main.c
 C_SOURCES += Src/flipper_hal.c
 C_SOURCES += Src/lo_os.c
 C_SOURCES += Src/lo_hal.c
 
-# C defines
-C_DEFS =  \
--DUSE_HAL_DRIVER \
--DSTM32L476xx \
--DBUTON_INVERT=false \
--DDEBUG_UART=huart1
+C_DEFS += -DFURI_DEBUG
+# Core
+
+CPP_SOURCES += ../core/app.cpp
+
+C_SOURCES += ../core/debug.c
+C_SOURCES += ../core/furi.c
+C_SOURCES += ../core/furi_ac.c
 
 # System applications
 
@@ -50,13 +48,17 @@ C_SOURCES += ../applications/tests/test_index.c
 C_DEFS += -DTEST
 endif
 
-# User application
+# Examples
 
 ifeq ($(EXAMPLE_BLINK), 1)
 C_SOURCES += ../applications/examples/blink.c
 C_DEFS += -DEXAMPLE_BLINK
 endif
 
+# User application
+
+# Add C_SOURCES +=, C_DEFS += or CPP_SOURCES += here
+
 #######################################
 # binaries
 #######################################
diff --git a/wiki/examples/Blink-app.md b/wiki/examples/Blink-app.md
index f5b0fe6ef..7cd131771 100644
--- a/wiki/examples/Blink-app.md
+++ b/wiki/examples/Blink-app.md
@@ -82,3 +82,17 @@ Linux version has no LED or GPIO, but we can see debug messages how state of GPI
 ![](https://github.com/Flipper-Zero/flipperzero-firmware-community/raw/master/wiki_static/application_examples/example_blink.gif)
 
 _You also run found source of this example in `applications/examples/blink.c` and run by `docker-compose exec dev make -C target_lo example_blink`_
+
+Build for Flipper (board F1):
+
+`docker-compose exec dev make -C target_f1`
+
+Upload to microcontroller:
+
+`./target_f1/deploy.sh`
+
+Blink!
+
+![](https://github.com/Flipper-Zero/flipperzero-firmware-community/raw/master/wiki_static/application_examples/example_blink_hw.gif)
+
+_You also compile by `docker-compose exec dev make -C target_f1 example_blink`_
diff --git a/wiki_static/application_examples/example_blink_hw.gif b/wiki_static/application_examples/example_blink_hw.gif
new file mode 100644
index 000000000..6d3ba4e48
--- /dev/null
+++ b/wiki_static/application_examples/example_blink_hw.gif
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:0901a507ea047af9945c27549dc1460d5552cfafcff27f646453d129030f23da
+size 623188