diff --git a/F0:F030,F042,F072/Socket_fans/kicad/stm32.kicad_prl b/F0:F030,F042,F072/Socket_fans/kicad/stm32.kicad_prl
index fe8e204..97a1177 100644
--- a/F0:F030,F042,F072/Socket_fans/kicad/stm32.kicad_prl
+++ b/F0:F030,F042,F072/Socket_fans/kicad/stm32.kicad_prl
@@ -41,7 +41,6 @@
       11,
       12,
       13,
-      14,
       15,
       16,
       17,
diff --git a/F0:F030,F042,F072/Socket_fans/kicad/stm32.kicad_pro b/F0:F030,F042,F072/Socket_fans/kicad/stm32.kicad_pro
index 3ab5a58..b0d56a6 100644
--- a/F0:F030,F042,F072/Socket_fans/kicad/stm32.kicad_pro
+++ b/F0:F030,F042,F072/Socket_fans/kicad/stm32.kicad_pro
@@ -75,6 +75,7 @@
         "footprint_type_mismatch": "ignore",
         "hole_clearance": "error",
         "hole_near_hole": "error",
+        "holes_co_located": "warning",
         "invalid_outline": "error",
         "isolated_copper": "warning",
         "item_on_disabled_layer": "error",
diff --git a/F1:F103/BISS_C_encoders/encoders.bin b/F1:F103/BISS_C_encoders/encoders.bin
index 97dee9e..4940f07 100755
Binary files a/F1:F103/BISS_C_encoders/encoders.bin and b/F1:F103/BISS_C_encoders/encoders.bin differ
diff --git a/F1:F103/BISS_C_encoders/encoders.creator.user b/F1:F103/BISS_C_encoders/encoders.creator.user
index 48b5440..ea04e00 100644
--- a/F1:F103/BISS_C_encoders/encoders.creator.user
+++ b/F1:F103/BISS_C_encoders/encoders.creator.user
@@ -1,10 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE QtCreatorProject>
-<!-- Written by QtCreator 16.0.2, 2025-06-02T17:02:57. -->
+<!-- Written by QtCreator 17.0.0, 2025-07-15T19:51:56. -->
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  <data>
   <variable>EnvironmentId</variable>
-  <value type="QByteArray">{cf63021e-ef53-49b0-b03b-2f2570cdf3b6}</value>
+  <value type="QByteArray">{7bd84e39-ca37-46d3-be9d-99ebea85bc0d}</value>
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  <data>
   <variable>ProjectExplorer.Project.ActiveTarget</variable>
@@ -40,9 +40,9 @@
    <value type="int" key="EditorConfiguration.PaddingMode">1</value>
    <value type="int" key="EditorConfiguration.PreferAfterWhitespaceComments">0</value>
    <value type="bool" key="EditorConfiguration.PreferSingleLineComments">false</value>
-   <value type="bool" key="EditorConfiguration.ScrollWheelZooming">false</value>
+   <value type="bool" key="EditorConfiguration.ScrollWheelZooming">true</value>
    <value type="bool" key="EditorConfiguration.ShowMargin">false</value>
-   <value type="int" key="EditorConfiguration.SmartBackspaceBehavior">1</value>
+   <value type="int" key="EditorConfiguration.SmartBackspaceBehavior">0</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>
@@ -51,10 +51,10 @@
    <value type="bool" key="EditorConfiguration.UseIndenter">false</value>
    <value type="int" key="EditorConfiguration.Utf8BomBehavior">1</value>
    <value type="bool" key="EditorConfiguration.addFinalNewLine">true</value>
-   <value type="bool" key="EditorConfiguration.cleanIndentation">true</value>
+   <value type="bool" key="EditorConfiguration.cleanIndentation">false</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">true</value>
+   <value type="bool" key="EditorConfiguration.inEntireDocument">false</value>
    <value type="bool" key="EditorConfiguration.skipTrailingWhitespace">true</value>
    <value type="bool" key="EditorConfiguration.tintMarginArea">true</value>
   </valuemap>
@@ -79,7 +79,7 @@
     <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">4</value>
+    <value type="int" key="ClangTools.ParallelJobs">8</value>
     <value type="bool" key="ClangTools.PreferConfigFile">true</value>
     <valuelist type="QVariantList" key="ClangTools.SelectedDirs"/>
     <valuelist type="QVariantList" key="ClangTools.SelectedFiles"/>
@@ -92,14 +92,14 @@
   <variable>ProjectExplorer.Project.Target.0</variable>
   <valuemap type="QVariantMap">
    <value type="QString" key="DeviceType">Desktop</value>
+   <value type="bool" key="HasPerBcDcs">true</value>
    <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">{91347f2c-5221-46a7-80b1-0a054ca02f79}</value>
+   <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">{65a14f9e-e008-4c1b-89df-4eaa4774b6e3}</value>
    <value type="qlonglong" key="ProjectExplorer.Target.ActiveBuildConfiguration">0</value>
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    <value type="qlonglong" key="ProjectExplorer.Target.ActiveRunConfiguration">0</value>
    <valuemap type="QVariantMap" key="ProjectExplorer.Target.BuildConfiguration.0">
-    <value type="QString" key="ProjectExplorer.BuildConfiguration.BuildDirectory">/home/eddy/Docs/SAO/ELECTRONICS/STM32/F1-srcs/BISS_C_encoders</value>
     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
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       <valuelist type="QVariantList" key="GenericProjectManager.GenericMakeStep.BuildTargets">
@@ -109,8 +109,8 @@
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      </valuemap>
      <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">1</value>
-     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Сборка</value>
-     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Сборка</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Build</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Build</value>
      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Build</value>
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     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.1">
@@ -122,8 +122,8 @@
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      </valuemap>
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-     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Очистка</value>
-     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Очистка</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Clean</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Clean</value>
      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Clean</value>
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@@ -131,15 +131,49 @@
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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">По умолчанию</value>
+    <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Default</value>
     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">GenericProjectManager.GenericBuildConfiguration</value>
+    <value type="qlonglong" key="ProjectExplorer.Target.ActiveDeployConfiguration">0</value>
+    <value type="qlonglong" key="ProjectExplorer.Target.ActiveRunConfiguration">0</value>
+    <valuemap type="QVariantMap" key="ProjectExplorer.Target.DeployConfiguration.0">
+     <valuemap type="QVariantMap" key="ProjectExplorer.BuildConfiguration.BuildStepList.0">
+      <value type="qlonglong" key="ProjectExplorer.BuildStepList.StepsCount">0</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DefaultDisplayName">Deploy</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.DisplayName">Deploy</value>
+      <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.BuildSteps.Deploy</value>
+     </valuemap>
+     <value type="int" key="ProjectExplorer.BuildConfiguration.BuildStepListCount">1</value>
+     <valuemap type="QVariantMap" key="ProjectExplorer.DeployConfiguration.CustomData"/>
+     <value type="bool" key="ProjectExplorer.DeployConfiguration.CustomDataEnabled">false</value>
+     <value type="QString" key="ProjectExplorer.ProjectConfiguration.Id">ProjectExplorer.DefaultDeployConfiguration</value>
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+     <value type="bool" key="Analyzer.Valgrind.Settings.UseGlobalSettings">true</value>
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+     <valuelist type="QVariantList" key="CustomOutputParsers"/>
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diff --git a/F1:F103/BISS_C_encoders/usb_dev.c b/F1:F103/BISS_C_encoders/usb_dev.c
index d9bcdfc..aa668a3 100644
--- a/F1:F103/BISS_C_encoders/usb_dev.c
+++ b/F1:F103/BISS_C_encoders/usb_dev.c
@@ -19,6 +19,7 @@
 #include <string.h>
 
 #include "ringbuffer.h"
+#include "strfunc.h" // for cmd interface
 #include "usb_descr.h"
 #include "usb_dev.h"
 
@@ -42,6 +43,8 @@
 #undef DBGs
 #define DBGs(x)
 
+extern volatile uint32_t Tms;
+
 // inbuf overflow when receiving
 static volatile uint8_t bufovrfl[bTotNumEndpoints] = {0};
 
@@ -110,7 +113,7 @@ static void rxtx_handler(){
     DBG("rxtx_handler");
     DBGs(uhex2str(ifno));
     if(ifno > bTotNumEndpoints-1){
-        DBG("wront ifno");
+        DBG("wrong ifno");
         return;
     }
     uint16_t epstatus = KEEP_DTOG(USB->EPnR[1+ifno]);
@@ -138,6 +141,8 @@ void WEAK linecoding_handler(uint8_t ifno, usb_LineCoding *lc){
     lineCoding[ifno] = *lc;
     DBG("linecoding_handler");
     DBGs(uhex2str(ifno));
+    CMDWR("Interface "); CMDWR(u2str(ifno));
+    CMDWR(" got linecoding with speed "); CMDWRn(u2str(lc->dwDTERate));
 }
 
 // SET_CONTROL_LINE_STATE
@@ -147,6 +152,9 @@ void WEAK clstate_handler(uint8_t ifno, uint16_t val){
     DBGs(uhex2str(val));
     CDCready[ifno] = val; // CONTROL_DTR | CONTROL_RTS -> interface connected; 0 -> disconnected
     lastdsz[ifno] = -1;
+    if(val == 0) CMDWR("dis");
+    CMDWR("connected interface ");
+    CMDWRn(u2str(ifno));
 }
 
 // SEND_BREAK
@@ -155,6 +163,8 @@ void WEAK break_handler(uint8_t ifno){
     lastdsz[ifno] = -1;
     DBG("break_handler()");
     DBGs(uhex2str(ifno));
+    CMDWR("Disconnected interface ");
+    CMDWRn(u2str(ifno));
 }
 
 
@@ -172,13 +182,13 @@ void set_configuration(){
     }
 }
 
-// PL2303 CLASS request
+// USB CDC CLASS request
 void usb_class_request(config_pack_t *req, uint8_t *data, uint16_t datalen){
     uint8_t recipient = REQUEST_RECIPIENT(req->bmRequestType);
     uint8_t dev2host = (req->bmRequestType & 0x80) ? 1 : 0;
     uint8_t ifno = req->wIndex >> 1;
     if(ifno > bTotNumEndpoints-1 && ifno != 0xff){
-        DBG("wront ifno");
+        DBG("wrong ifno");
         return;
     }
     DBG("usb_class_request");
@@ -222,7 +232,12 @@ void usb_class_request(config_pack_t *req, uint8_t *data, uint16_t datalen){
 
 // blocking send full content of ring buffer
 int USB_sendall(uint8_t ifno){
+    uint32_t T0 = Tms;
     while(lastdsz[ifno] > 0){
+        if(Tms - T0 > DISCONN_TMOUT){
+            break_handler(ifno);
+            return FALSE;
+        }
         if(!CDCready[ifno]) return FALSE;
         IWDG->KR = IWDG_REFRESH;
     }
diff --git a/F1:F103/BISS_C_encoders/usb_dev.h b/F1:F103/BISS_C_encoders/usb_dev.h
index 7f32ac6..5641e20 100644
--- a/F1:F103/BISS_C_encoders/usb_dev.h
+++ b/F1:F103/BISS_C_encoders/usb_dev.h
@@ -46,6 +46,8 @@ void break_handler(uint8_t ifno);
 void clstate_handler(uint8_t ifno, uint16_t val);
 void linecoding_handler(uint8_t ifno, usb_LineCoding *lc);
 
+// as ugly CDC have no BREAK after disconnected client in non-canonical mode, we should use timeout - more than 2ms
+#define DISCONN_TMOUT   (2)
 
 // sizes of ringbuffers for outgoing and incoming data
 #define RBOUTSZ     (512)
diff --git a/F1:F103/BISS_C_encoders/version.inc b/F1:F103/BISS_C_encoders/version.inc
index 4e70e46..2f05971 100644
--- a/F1:F103/BISS_C_encoders/version.inc
+++ b/F1:F103/BISS_C_encoders/version.inc
@@ -1,2 +1,2 @@
-#define BUILD_NUMBER "108"
-#define BUILD_DATE "2025-06-03"
+#define BUILD_NUMBER "111"
+#define BUILD_DATE "2025-07-15"