diff --git a/F3:F303/NitrogenFlooding/hardware.c b/F3:F303/NitrogenFlooding/hardware.c
index d03dc31..fdd6b9f 100644
--- a/F3:F303/NitrogenFlooding/hardware.c
+++ b/F3:F303/NitrogenFlooding/hardware.c
@@ -28,7 +28,7 @@ TRUE_INLINE void gpio_setup(){
     // enable PWM timer TIM3
     RCC->APB1ENR |= RCC_APB1ENR_TIM3EN;
     for(int i = 0; i < 10000; ++i) nop();
-    // PORT A
+    // PORT A (PA13/14 - SWDIO/SWCLK - AF0)
     GPIOA->ODR = 0;
     GPIOA->AFR[0] = 0;
     GPIOA->AFR[1] = AFRf(4, 9) | AFRf(4, 10) | AFRf(14, 11) | AFRf(14,12);
@@ -36,7 +36,7 @@ TRUE_INLINE void gpio_setup(){
                     MODER_AF(9) | MODER_AF(10) | MODER_AF(11) | MODER_AF(12) | MODER_AF(13) | MODER_AF(14);
     GPIOA->OSPEEDR = OSPEED_HI(9) | OSPEED_HI(10) | OSPEED_HI(11) | OSPEED_HI(12) | OSPEED_HI(13) | OSPEED_HI(14);
     GPIOA->OTYPER = 0;
-    GPIOA->PUPDR = 0;
+    GPIOA->PUPDR = PUPD_PU(13) | PUPD_PD(14); // SWDIO - pullup, SDCLK - pulldown
 
     // PORT B
     GPIOB->ODR = 0;
diff --git a/F3:F303/NitrogenFlooding/nitrogen.bin b/F3:F303/NitrogenFlooding/nitrogen.bin
index 97fffbb..ec501e0 100755
Binary files a/F3:F303/NitrogenFlooding/nitrogen.bin and b/F3:F303/NitrogenFlooding/nitrogen.bin differ
diff --git a/F3:F303/NitrogenFlooding/nitrogen.creator.user b/F3:F303/NitrogenFlooding/nitrogen.creator.user
index aa79e75..4a03d2d 100644
--- a/F3:F303/NitrogenFlooding/nitrogen.creator.user
+++ b/F3:F303/NitrogenFlooding/nitrogen.creator.user
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 8.0.2, 2023-01-18T20:42:42. -->
+<!-- Written by QtCreator 8.0.2, 2023-03-22T12:09:09. -->
 <qtcreator>
  <data>
   <variable>EnvironmentId</variable>
-  <value type="QByteArray">{7bd84e39-ca37-46d3-be9d-99ebea85bc0d}</value>
+  <value type="QByteArray">{cf63021e-ef53-49b0-b03b-2f2570cdf3b6}</value>
  </data>
  <data>
   <variable>ProjectExplorer.Project.ActiveTarget</variable>
@@ -38,43 +38,32 @@
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    <value type="int" key="EditorConfiguration.PaddingMode">1</value>
    <value type="bool" key="EditorConfiguration.PreferSingleLineComments">false</value>
-   <value type="bool" key="EditorConfiguration.ScrollWheelZooming">true</value>
+   <value type="bool" key="EditorConfiguration.ScrollWheelZooming">false</value>
    <value type="bool" key="EditorConfiguration.ShowMargin">false</value>
-   <value type="int" key="EditorConfiguration.SmartBackspaceBehavior">0</value>
+   <value type="int" key="EditorConfiguration.SmartBackspaceBehavior">1</value>
    <value type="bool" key="EditorConfiguration.SmartSelectionChanging">true</value>
    <value type="bool" key="EditorConfiguration.SpacesForTabs">true</value>
    <value type="int" key="EditorConfiguration.TabKeyBehavior">0</value>
    <value type="int" key="EditorConfiguration.TabSize">8</value>
    <value type="bool" key="EditorConfiguration.UseGlobal">true</value>
    <value type="bool" key="EditorConfiguration.UseIndenter">false</value>
-   <value type="int" key="EditorConfiguration.Utf8BomBehavior">1</value>
+   <value type="int" key="EditorConfiguration.Utf8BomBehavior">2</value>
    <value type="bool" key="EditorConfiguration.addFinalNewLine">true</value>
-   <value type="bool" key="EditorConfiguration.cleanIndentation">false</value>
+   <value type="bool" key="EditorConfiguration.cleanIndentation">true</value>
    <value type="bool" key="EditorConfiguration.cleanWhitespace">true</value>
    <value type="QString" key="EditorConfiguration.ignoreFileTypes">*.md, *.MD, Makefile</value>
-   <value type="bool" key="EditorConfiguration.inEntireDocument">false</value>
+   <value type="bool" key="EditorConfiguration.inEntireDocument">true</value>
    <value type="bool" key="EditorConfiguration.skipTrailingWhitespace">true</value>
   </valuemap>
  </data>
  <data>
   <variable>ProjectExplorer.Project.PluginSettings</variable>
   <valuemap type="QVariantMap">
-   <valuemap type="QVariantMap" key="AutoTest.ActiveFrameworks">
-    <value type="bool" key="AutoTest.Framework.Boost">true</value>
-    <value type="bool" key="AutoTest.Framework.CTest">false</value>
-    <value type="bool" key="AutoTest.Framework.Catch">true</value>
-    <value type="bool" key="AutoTest.Framework.GTest">true</value>
-    <value type="bool" key="AutoTest.Framework.QtQuickTest">true</value>
-    <value type="bool" key="AutoTest.Framework.QtTest">true</value>
-   </valuemap>
-   <valuemap type="QVariantMap" key="AutoTest.CheckStates"/>
-   <value type="int" key="AutoTest.RunAfterBuild">0</value>
-   <value type="bool" key="AutoTest.UseGlobal">true</value>
    <valuemap type="QVariantMap" key="ClangTools">
     <value type="bool" key="ClangTools.AnalyzeOpenFiles">true</value>
     <value type="bool" key="ClangTools.BuildBeforeAnalysis">true</value>
     <value type="QString" key="ClangTools.DiagnosticConfig">Builtin.DefaultTidyAndClazy</value>
-    <value type="int" key="ClangTools.ParallelJobs">2</value>
+    <value type="int" key="ClangTools.ParallelJobs">4</value>
     <valuelist type="QVariantList" key="ClangTools.SelectedDirs"/>
     <valuelist type="QVariantList" key="ClangTools.SelectedFiles"/>
     <valuelist type="QVariantList" key="ClangTools.SuppressedDiagnostics"/>
@@ -88,12 +77,12 @@
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    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Desktop</value>
    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Desktop</value>
-   <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">{65a14f9e-e008-4c1b-89df-4eaa4774b6e3}</value>
+   <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">{91347f2c-5221-46a7-80b1-0a054ca02f79}</value>
    <value type="int" key="ProjectExplorer.Target.ActiveBuildConfiguration">0</value>
    <value type="int" key="ProjectExplorer.Target.ActiveDeployConfiguration">0</value>
    <value type="int" key="ProjectExplorer.Target.ActiveRunConfiguration">0</value>
    <valuemap type="QVariantMap" key="ProjectExplorer.Target.BuildConfiguration.0">
-    <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">/Big/Data/00__Electronics/STM32/F303-nolib/blink</value>
+    <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">/home/eddy/Docs/SAO/ELECTRONICS/STM32/F3-srcs/NitrogenFlooding</value>
     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
      <valuemap type="QVariantMap" key="ProjectExplorer.BuildStepList.Step.0">
       <valuelist type="QVariantList" key="GenericProjectManager.GenericMakeStep.BuildTargets">
@@ -125,7 +114,7 @@
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     <value type="bool" key="ProjectExplorer.BuildConfiguration.ParseStandardOutput">false</value>
     <valuelist type="QVariantList" key="ProjectExplorer.BuildConfiguration.UserEnvironmentChanges"/>
-    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Default</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">По умолчанию</value>
     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">GenericProjectManager.GenericBuildConfiguration</value>
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    <value type="int" key="ProjectExplorer.Target.BuildConfigurationCount">1</value>
diff --git a/F3:F303/NitrogenFlooding/version.inc b/F3:F303/NitrogenFlooding/version.inc
index 33f807c..f53810e 100644
--- a/F3:F303/NitrogenFlooding/version.inc
+++ b/F3:F303/NitrogenFlooding/version.inc
@@ -1,2 +1,2 @@
-#define BUILD_NUMBER "1"
-#define BUILD_DATE "2023-03-20"
+#define BUILD_NUMBER "2"
+#define BUILD_DATE "2023-03-22"