diff --git a/software/bootloader/.mxproject b/software/bootloader/.mxproject
index a4be38d..918cc60 100644
--- a/software/bootloader/.mxproject
+++ b/software/bootloader/.mxproject
@@ -6,6 +6,11 @@ SourceFiles=..\Core\Src\main.c;..\Core\Src\gpio.c;..\Core\Src\crc.c;..\Core\Src\
 HeaderPath=..\Drivers\STM32F4xx_HAL_Driver\Inc;..\Drivers\STM32F4xx_HAL_Driver\Inc\Legacy;..\Middlewares\ST\STM32_USB_Device_Library\Core\Inc;..\Middlewares\ST\STM32_USB_Device_Library\Class\CDC\Inc;..\Drivers\CMSIS\Device\ST\STM32F4xx\Include;..\Drivers\CMSIS\Include;..\Core\Inc;..\USB_DEVICE\App;..\USB_DEVICE\Target;
 CDefines=USE_HAL_DRIVER;STM32F411xE;USE_HAL_DRIVER;USE_HAL_DRIVER;
 
+[PreviousUsedCMakes]
+SourceFiles=Core\Src\main.c;Core\Src\gpio.c;Core\Src\crc.c;Core\Src\i2c.c;Core\Src\spi.c;Core\Src\tim.c;USB_DEVICE\App\usb_device.c;USB_DEVICE\Target\usbd_conf.c;USB_DEVICE\App\usbd_desc.c;USB_DEVICE\App\usbd_cdc_if.c;Core\Src\stm32f4xx_it.c;Core\Src\stm32f4xx_hal_msp.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pcd.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pcd_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_ll_usb.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash_ramfunc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_gpio.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cortex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_exti.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_crc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_i2c.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_i2c_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_spi.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_tim.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_tim_ex.c;Middlewares\ST\STM32_USB_Device_Library\Core\Src\usbd_core.c;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;Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\system_stm32f4xx.c;Core\Src\system_stm32f4xx.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pcd.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pcd_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_ll_usb.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash_ramfunc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_gpio.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cortex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_exti.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_crc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_i2c.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_i2c_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_spi.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_tim.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_tim_ex.c;Middlewares\ST\STM32_USB_Device_Library\Core\Src\usbd_core.c;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;Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\system_stm32f4xx.c;Core\Src\system_stm32f4xx.c;;;Middlewares\ST\STM32_USB_Device_Library\Core\Src\usbd_core.c;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;
+HeaderPath=Drivers\STM32F4xx_HAL_Driver\Inc;Drivers\STM32F4xx_HAL_Driver\Inc\Legacy;Middlewares\ST\STM32_USB_Device_Library\Core\Inc;Middlewares\ST\STM32_USB_Device_Library\Class\CDC\Inc;Drivers\CMSIS\Device\ST\STM32F4xx\Include;Drivers\CMSIS\Include;Core\Inc;USB_DEVICE\App;USB_DEVICE\Target;
+CDefines=USE_HAL_DRIVER;STM32F411xE;USE_HAL_DRIVER;USE_HAL_DRIVER;
+
 [PreviousGenFiles]
 AdvancedFolderStructure=true
 HeaderFileListSize=12
@@ -45,8 +50,3 @@ SourcePath#1=..\USB_DEVICE\App
 SourcePath#2=..\USB_DEVICE\Target
 SourceFiles=;
 
-[PreviousUsedCMakes]
-SourceFiles=Core\Src\main.c;Core\Src\gpio.c;Core\Src\crc.c;Core\Src\i2c.c;Core\Src\spi.c;Core\Src\tim.c;USB_DEVICE\App\usb_device.c;USB_DEVICE\Target\usbd_conf.c;USB_DEVICE\App\usbd_desc.c;USB_DEVICE\App\usbd_cdc_if.c;Core\Src\stm32f4xx_it.c;Core\Src\stm32f4xx_hal_msp.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pcd.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pcd_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_ll_usb.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash_ramfunc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_gpio.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cortex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_exti.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_crc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_i2c.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_i2c_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_spi.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_tim.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_tim_ex.c;Middlewares\ST\STM32_USB_Device_Library\Core\Src\usbd_core.c;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;Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\system_stm32f4xx.c;Core\Src\system_stm32f4xx.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pcd.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pcd_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_ll_usb.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_flash_ramfunc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_gpio.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cortex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_exti.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_crc.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_i2c.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_i2c_ex.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_spi.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_tim.c;Drivers\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_tim_ex.c;Middlewares\ST\STM32_USB_Device_Library\Core\Src\usbd_core.c;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;Drivers\CMSIS\Device\ST\STM32F4xx\Source\Templates\system_stm32f4xx.c;Core\Src\system_stm32f4xx.c;;;Middlewares\ST\STM32_USB_Device_Library\Core\Src\usbd_core.c;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;
-HeaderPath=Drivers\STM32F4xx_HAL_Driver\Inc;Drivers\STM32F4xx_HAL_Driver\Inc\Legacy;Middlewares\ST\STM32_USB_Device_Library\Core\Inc;Middlewares\ST\STM32_USB_Device_Library\Class\CDC\Inc;Drivers\CMSIS\Device\ST\STM32F4xx\Include;Drivers\CMSIS\Include;Core\Inc;USB_DEVICE\App;USB_DEVICE\Target;
-CDefines=USE_HAL_DRIVER;STM32F411xE;USE_HAL_DRIVER;USE_HAL_DRIVER;
-
diff --git a/software/bootloader/Core/Src/gpio.c b/software/bootloader/Core/Src/gpio.c
index 9b36170..630508e 100644
--- a/software/bootloader/Core/Src/gpio.c
+++ b/software/bootloader/Core/Src/gpio.c
@@ -42,11 +42,34 @@
 void MX_GPIO_Init(void)
 {
 
+  GPIO_InitTypeDef GPIO_InitStruct = {0};
+
   /* GPIO Ports Clock Enable */
+  __HAL_RCC_GPIOC_CLK_ENABLE();
   __HAL_RCC_GPIOH_CLK_ENABLE();
   __HAL_RCC_GPIOB_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
 
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_SET);
+
+  /*Configure GPIO pin Output Level */
+  HAL_GPIO_WritePin(GPIOB, GPIO_PIN_10, GPIO_PIN_RESET);
+
+  /*Configure GPIO pin : PC13 */
+  GPIO_InitStruct.Pin = GPIO_PIN_13;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_NOPULL;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
+
+  /*Configure GPIO pin : PB10 */
+  GPIO_InitStruct.Pin = GPIO_PIN_10;
+  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+  GPIO_InitStruct.Pull = GPIO_PULLDOWN;
+  GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
+  HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
+
 }
 
 /* USER CODE BEGIN 2 */
diff --git a/software/bootloader/IAP_F411.ioc b/software/bootloader/IAP_F411.ioc
index e8f5a1b..5d8f9b8 100644
--- a/software/bootloader/IAP_F411.ioc
+++ b/software/bootloader/IAP_F411.ioc
@@ -19,21 +19,23 @@ Mcu.IP8=USB_OTG_FS
 Mcu.IPNb=9
 Mcu.Name=STM32F411C(C-E)Ux
 Mcu.Package=UFQFPN48
-Mcu.Pin0=PH0 - OSC_IN
-Mcu.Pin1=PH1 - OSC_OUT
-Mcu.Pin10=PB7
-Mcu.Pin11=VP_CRC_VS_CRC
-Mcu.Pin12=VP_SYS_VS_Systick
-Mcu.Pin13=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS
-Mcu.Pin2=PB13
-Mcu.Pin3=PB15
-Mcu.Pin4=PA10
-Mcu.Pin5=PA11
-Mcu.Pin6=PA12
-Mcu.Pin7=PA13
-Mcu.Pin8=PA14
-Mcu.Pin9=PB6
-Mcu.PinsNb=14
+Mcu.Pin0=PC13-ANTI_TAMP
+Mcu.Pin1=PH0 - OSC_IN
+Mcu.Pin10=PA14
+Mcu.Pin11=PB6
+Mcu.Pin12=PB7
+Mcu.Pin13=VP_CRC_VS_CRC
+Mcu.Pin14=VP_SYS_VS_Systick
+Mcu.Pin15=VP_USB_DEVICE_VS_USB_DEVICE_CDC_FS
+Mcu.Pin2=PH1 - OSC_OUT
+Mcu.Pin3=PB10
+Mcu.Pin4=PB13
+Mcu.Pin5=PB15
+Mcu.Pin6=PA10
+Mcu.Pin7=PA11
+Mcu.Pin8=PA12
+Mcu.Pin9=PA13
+Mcu.PinsNb=16
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
 Mcu.UserName=STM32F411CEUx
@@ -61,6 +63,11 @@ PA13.Mode=Serial_Wire
 PA13.Signal=SYS_JTMS-SWDIO
 PA14.Mode=Serial_Wire
 PA14.Signal=SYS_JTCK-SWCLK
+PB10.GPIOParameters=PinState,GPIO_PuPd
+PB10.GPIO_PuPd=GPIO_PULLDOWN
+PB10.Locked=true
+PB10.PinState=GPIO_PIN_RESET
+PB10.Signal=GPIO_Output
 PB13.Locked=true
 PB13.Mode=TX_Only_Simplex_Unidirect_Master
 PB13.Signal=SPI2_SCK
@@ -71,6 +78,10 @@ PB6.Mode=I2C
 PB6.Signal=I2C1_SCL
 PB7.Mode=I2C
 PB7.Signal=I2C1_SDA
+PC13-ANTI_TAMP.GPIOParameters=PinState
+PC13-ANTI_TAMP.Locked=true
+PC13-ANTI_TAMP.PinState=GPIO_PIN_SET
+PC13-ANTI_TAMP.Signal=GPIO_Output
 PH0\ -\ OSC_IN.Mode=HSE-External-Oscillator
 PH0\ -\ OSC_IN.Signal=RCC_OSC_IN
 PH1\ -\ OSC_OUT.Mode=HSE-External-Oscillator