diff --git a/README.md b/README.md
index f3eed0c9..32fdf81b 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,7 @@ A 3d-printable housing can be found here: https://www.thingiverse.com/thing:4571
 
 ## Donate
 
+------
 
 If you would like to support the developer with a cup of coffee you can do that via [Paypal](https://www.paypal.com/donate?hosted_button_id=8TRSVYNYKDSWL).
 
@@ -38,7 +39,11 @@ If you would like to support the developer with a cup of coffee you can do that
 
 **General remark:** Beside the `firmware.bin`, typically also the content of `/html` needs to be updated!
 
-##### Rolling - (2020-12-31)
+##### Rolling - (2021-01-01)
+
+* Increased stability (internal image handling)
+
+2020-12-31
 
 * Bug-Fixing: internal change of camera handling to avoid reboots
 
diff --git a/code/components/jomjol_controlGPIO/server_GPIO.cpp b/code/components/jomjol_controlGPIO/server_GPIO.cpp
index 45ab4b84..02bd4411 100644
--- a/code/components/jomjol_controlGPIO/server_GPIO.cpp
+++ b/code/components/jomjol_controlGPIO/server_GPIO.cpp
@@ -18,9 +18,13 @@
 
 #include "Helper.h"
 
+#define DEBUG_DETAIL_ON 
+
 esp_err_t handler_switch_GPIO(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_switch_GPIO - Start");    
+#ifdef DEBUG_DETAIL_ON 
+    LogFile.WriteHeapInfo("handler_switch_GPIO - Start");    
+#endif
 
     LogFile.WriteToFile("handler_switch_GPIO");    
     char _query[200];
diff --git a/code/components/jomjol_controlGPIO/server_GPIO.h b/code/components/jomjol_controlGPIO/server_GPIO.h
index ecfa0a3c..f91e24c2 100644
--- a/code/components/jomjol_controlGPIO/server_GPIO.h
+++ b/code/components/jomjol_controlGPIO/server_GPIO.h
@@ -8,5 +8,3 @@ static const char *TAGPARTGPIO = "server_GPIO";
 
 void register_server_GPIO_uri(httpd_handle_t server);
 
-
-extern bool debug_detail_heap;
\ No newline at end of file
diff --git a/code/components/jomjol_controlcamera/ClassControllCamera.cpp b/code/components/jomjol_controlcamera/ClassControllCamera.cpp
index b07b16a8..dfd693a6 100644
--- a/code/components/jomjol_controlcamera/ClassControllCamera.cpp
+++ b/code/components/jomjol_controlcamera/ClassControllCamera.cpp
@@ -192,7 +192,7 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
     LEDOnOff(true);
 
 #ifdef DEBUG_DETAIL_ON
-    if (debug_detail_heap) LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - Start");
+    LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - Start");
 #endif
 
     if (delay > 0) 
@@ -203,7 +203,7 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
     }
 
 #ifdef DEBUG_DETAIL_ON
-    if (debug_detail_heap) LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - After LightOn");
+    LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - After LightOn");
 #endif
 
     camera_fb_t * fb = esp_camera_fb_get();
@@ -220,7 +220,7 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
     esp_camera_fb_return(fb);        
 
 #ifdef DEBUG_DETAIL_ON
-    if (debug_detail_heap) LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - After fb_get");
+    LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - After fb_get");
 #endif
 
     LEDOnOff(false);    
@@ -237,7 +237,9 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
     _zwImage.LoadFromMemory(zwischenspeicher, _size);
     free(zwischenspeicher);
 
-    if (debug_detail_heap) LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - After LoadFromMemory");
+#ifdef DEBUG_DETAIL_ON
+    LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - After LoadFromMemory");
+#endif
 
     stbi_uc* p_target;
     stbi_uc* p_source;    
@@ -248,7 +250,7 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
 #ifdef DEBUG_DETAIL_ON
     std::string _zw = "Targetimage: " + std::to_string((int) _Image->rgb_image) + " Size: " + std::to_string(_Image->width) + ", " + std::to_string(_Image->height);
     _zw = _zw + " _zwImage: " + std::to_string((int) _zwImage.rgb_image)  + " Size: " + std::to_string(_zwImage.width) + ", " + std::to_string(_zwImage.height);
-    if (debug_detail_heap) LogFile.WriteToFile(_zw);
+    LogFile.WriteToFile(_zw);
 #endif
 
     for (int x = 0; x < width; ++x)
@@ -262,13 +264,13 @@ esp_err_t CCamera::CaptureToBasisImage(CImageBasis *_Image, int delay)
         }
 
 #ifdef DEBUG_DETAIL_ON
-    if (debug_detail_heap) LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - After Copy To Target");
+    LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - After Copy To Target");
 #endif
 
     free(buf);
 
 #ifdef DEBUG_DETAIL_ON
-    if (debug_detail_heap) LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - Done");
+    LogFile.WriteHeapInfo("CCamera::CaptureToBasisImage - Done");
 #endif
 
     return ESP_OK;    
@@ -338,9 +340,7 @@ esp_err_t CCamera::CaptureToFile(std::string nm, int delay)
     FILE * fp = OpenFileAndWait(nm.c_str(), "wb");
     if (fp == NULL)  /* If an error occurs during the file creation */
     {
-#ifdef DEBUG_DETAIL_ON   
         fprintf(stderr, "fopen() failed for '%s'\n", nm.c_str());
-#endif
     }
     else
     {
diff --git a/code/components/jomjol_controlcamera/ClassControllCamera.h b/code/components/jomjol_controlcamera/ClassControllCamera.h
index 702bc286..7e4dd6bb 100644
--- a/code/components/jomjol_controlcamera/ClassControllCamera.h
+++ b/code/components/jomjol_controlcamera/ClassControllCamera.h
@@ -45,6 +45,4 @@ class CCamera {
 
 extern CCamera Camera;
 
-extern bool debug_detail_heap;
-
 #endif
\ No newline at end of file
diff --git a/code/components/jomjol_controlcamera/server_camera.cpp b/code/components/jomjol_controlcamera/server_camera.cpp
index 4cb29566..21eb9363 100644
--- a/code/components/jomjol_controlcamera/server_camera.cpp
+++ b/code/components/jomjol_controlcamera/server_camera.cpp
@@ -11,7 +11,7 @@
 #define SCRATCH_BUFSIZE2  8192 
 char scratch2[SCRATCH_BUFSIZE2];
 
-// #define DEBUG_DETAIL_ON   
+//#define DEBUG_DETAIL_ON   
 
 
 
@@ -33,8 +33,7 @@ void PowerResetCamera(){
 esp_err_t handler_lightOn(httpd_req_t *req)
 {
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_lightOn - Start");
-    LogFile.WriteToFile("handler_lightOn");
+    LogFile.WriteHeapInfo("handler_lightOn - Start");
     printf("handler_lightOn uri:\n"); printf(req->uri); printf("\n");
 #endif
 
@@ -43,7 +42,7 @@ esp_err_t handler_lightOn(httpd_req_t *req)
     httpd_resp_send(req, resp_str, strlen(resp_str));  
 
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_lightOn - Done");
+    LogFile.WriteHeapInfo("handler_lightOn - Done");
 #endif
 
     return ESP_OK;
@@ -52,8 +51,7 @@ esp_err_t handler_lightOn(httpd_req_t *req)
 esp_err_t handler_lightOff(httpd_req_t *req)
 {
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_lightOff - Start");
-    LogFile.WriteToFile("handler_lightOff");
+    LogFile.WriteHeapInfo("handler_lightOff - Start");
     printf("handler_lightOff uri:\n"); printf(req->uri); printf("\n");
 #endif
     Camera.LightOnOff(false);
@@ -61,7 +59,7 @@ esp_err_t handler_lightOff(httpd_req_t *req)
     httpd_resp_send(req, resp_str, strlen(resp_str));       
 
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_lightOff - Done");
+    LogFile.WriteHeapInfo("handler_lightOff - Done");
 #endif
 
     return ESP_OK;
@@ -70,8 +68,7 @@ esp_err_t handler_lightOff(httpd_req_t *req)
 esp_err_t handler_capture(httpd_req_t *req)
 {
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_capture - Start");
-    LogFile.WriteToFile("handler_capture");
+    LogFile.WriteHeapInfo("handler_capture - Start");
 #endif
 
     int quality;
@@ -89,7 +86,7 @@ esp_err_t handler_capture(httpd_req_t *req)
     ressult = Camera.CaptureToHTTP(req);
 
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_capture - Done");
+    LogFile.WriteHeapInfo("handler_capture - Done");
 #endif
 
     return ressult;
@@ -98,7 +95,8 @@ esp_err_t handler_capture(httpd_req_t *req)
 
 esp_err_t handler_capture_with_ligth(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_capture_with_ligth - Start");
+
+    LogFile.WriteHeapInfo("handler_capture_with_ligth - Start");
 
     LogFile.WriteToFile("handler_capture_with_ligth");
     char _query[100];
@@ -140,7 +138,7 @@ esp_err_t handler_capture_with_ligth(httpd_req_t *req)
     Camera.LightOnOff(false);
 
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_capture_with_ligth - Done");
+    LogFile.WriteHeapInfo("handler_capture_with_ligth - Done");
 #endif
 
     return ressult;
@@ -151,8 +149,7 @@ esp_err_t handler_capture_with_ligth(httpd_req_t *req)
 esp_err_t handler_capture_save_to_file(httpd_req_t *req)
 {
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_capture_save_to_file - Start");
-    LogFile.WriteToFile("handler_capture_save_to_file");
+    LogFile.WriteHeapInfo("handler_capture_save_to_file - Start");
 #endif
 
     char _query[100];
@@ -206,7 +203,7 @@ esp_err_t handler_capture_save_to_file(httpd_req_t *req)
     httpd_resp_send(req, resp_str, strlen(resp_str));  
   
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_capture_save_to_file - Done");
+    LogFile.WriteHeapInfo("handler_capture_save_to_file - Done");
 #endif
 
     return ressult;
diff --git a/code/components/jomjol_controlcamera/server_camera.h b/code/components/jomjol_controlcamera/server_camera.h
index c0177356..b3f1fe19 100644
--- a/code/components/jomjol_controlcamera/server_camera.h
+++ b/code/components/jomjol_controlcamera/server_camera.h
@@ -13,7 +13,4 @@ void register_server_camera_uri(httpd_handle_t server);
 
 void PowerResetCamera();
 
-
-extern bool debug_detail_heap;
-
 #endif
\ No newline at end of file
diff --git a/code/components/jomjol_fileserver_ota/server_ota.cpp b/code/components/jomjol_fileserver_ota/server_ota.cpp
index e035b598..6c69ae1e 100644
--- a/code/components/jomjol_fileserver_ota/server_ota.cpp
+++ b/code/components/jomjol_fileserver_ota/server_ota.cpp
@@ -34,6 +34,8 @@
 #include "Helper.h"
 
 
+// #define DEBUG_DETAIL_ON 
+
 
 #define BUFFSIZE 1024
 #define HASH_LEN 32 /* SHA-256 digest length */
@@ -303,7 +305,9 @@ void CheckOTAUpdate(void)
 
 esp_err_t handler_ota_update(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_ota_update - Start");    
+#ifdef DEBUG_DETAIL_ON     
+    LogFile.WriteHeapInfo("handler_ota_update - Start");    
+#endif
 
     LogFile.WriteToFile("handler_ota_update");    
     char _query[200];
@@ -381,7 +385,9 @@ esp_err_t handler_ota_update(httpd_req_t *req)
 
     httpd_resp_send(req, resp_str, strlen(resp_str));  
 
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_ota_update - Done");    
+#ifdef DEBUG_DETAIL_ON 
+    LogFile.WriteHeapInfo("handler_ota_update - Done");    
+#endif
 
     return ESP_OK;
 };
@@ -418,7 +424,9 @@ void doReboot(){
 
 esp_err_t handler_reboot(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_reboot - Start");    
+#ifdef DEBUG_DETAIL_ON     
+    LogFile.WriteHeapInfo("handler_reboot - Start");
+#endif    
 
     LogFile.WriteToFile("handler_reboot");
     ESP_LOGI(TAGPARTOTA, "!!! System will restart within 5 sec!!!");
@@ -427,7 +435,10 @@ esp_err_t handler_reboot(httpd_req_t *req)
     
     doReboot();
 
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_reboot - Done");    
+#ifdef DEBUG_DETAIL_ON 
+    LogFile.WriteHeapInfo("handler_reboot - Done");    
+#endif
+
     return ESP_OK;
 }
 
diff --git a/code/components/jomjol_fileserver_ota/server_ota.h b/code/components/jomjol_fileserver_ota/server_ota.h
index 87ae1319..622fd0a8 100644
--- a/code/components/jomjol_fileserver_ota/server_ota.h
+++ b/code/components/jomjol_fileserver_ota/server_ota.h
@@ -10,4 +10,3 @@ void register_server_ota_sdcard_uri(httpd_handle_t server);
 void CheckOTAUpdate();
 void doReboot();
 
-extern bool debug_detail_heap;
\ No newline at end of file
diff --git a/code/components/jomjol_flowcontroll/ClassFlowControll.cpp b/code/components/jomjol_flowcontroll/ClassFlowControll.cpp
index 934d9749..0402fa26 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowControll.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowControll.cpp
@@ -11,6 +11,8 @@
 
 #include "server_help.h"
 
+//#define DEBUG_DETAIL_ON  
+
 static const char* TAG = "flow_controll";
 
 
@@ -198,18 +200,20 @@ bool ClassFlowControll::doFlow(string time)
     std::string zw_time;
     int repeat = 0;
 
-
-/////////////////////////////////////////////////////
-    if (debug_detail_heap) LogFile.WriteHeapInfo("ClassFlowAnalog::doFlow - Start");
-/////////////////////////////////////////////////////////
+#ifdef DEBUG_DETAIL_ON 
+    LogFile.WriteHeapInfo("ClassFlowAnalog::doFlow - Start");
+#endif
 
     for (int i = 0; i < FlowControll.size(); ++i)
     {
         zw_time = gettimestring("%Y%m%d-%H%M%S");
         aktstatus = zw_time + ": " + FlowControll[i]->name();
+        
+#ifdef DEBUG_DETAIL_ON         
         string zw = "FlowControll.doFlow - " + FlowControll[i]->name();
-        if (debug_detail_heap) LogFile.WriteHeapInfo(zw);
-//        LogFile.WriteToFile(zw);
+        LogFile.WriteHeapInfo(zw);
+#endif
+
         if (!FlowControll[i]->doFlow(time)){
             repeat++;
             LogFile.WriteToFile("Fehler im vorheriger Schritt - wird zum " + to_string(repeat) + ". Mal wiederholt");
@@ -225,8 +229,11 @@ bool ClassFlowControll::doFlow(string time)
         {
             result = true;
         }
+        
+#ifdef DEBUG_DETAIL_ON  
+        LogFile.WriteHeapInfo("ClassFlowAnalog::doFlow");
+#endif
 
-        if (debug_detail_heap) LogFile.WriteHeapInfo("ClassFlowAnalog::doFlow");
     }
     zw_time = gettimestring("%Y%m%d-%H%M%S");    
     aktstatus = zw_time + ": Flow is done";
diff --git a/code/components/jomjol_flowcontroll/ClassFlowControll.h b/code/components/jomjol_flowcontroll/ClassFlowControll.h
index c491cb87..d46d1829 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowControll.h
+++ b/code/components/jomjol_flowcontroll/ClassFlowControll.h
@@ -56,5 +56,4 @@ public:
 	string name(){return "ClassFlowControll";};
 };
 
-extern bool debug_detail_heap;
 
diff --git a/code/components/jomjol_flowcontroll/ClassFlowMakeImage.cpp b/code/components/jomjol_flowcontroll/ClassFlowMakeImage.cpp
index e8a938a4..d6d948ab 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowMakeImage.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowMakeImage.cpp
@@ -7,6 +7,8 @@
 
 #include <time.h>
 
+// #define DEBUG_DETAIL_ON 
+
 static const char* TAG = "flow_make_image";
 
 esp_err_t ClassFlowMakeImage::camera_capture(){
@@ -100,16 +102,23 @@ bool ClassFlowMakeImage::doFlow(string zwtime)
 
     int flashdauer = (int) waitbeforepicture * 1000;
  
-    if (debug_detail_heap) LogFile.WriteHeapInfo("ClassFlowMakeImage::doFlow - Before takePictureWithFlash");
+ #ifdef DEBUG_DETAIL_ON  
+    LogFile.WriteHeapInfo("ClassFlowMakeImage::doFlow - Before takePictureWithFlash");
+#endif
 
     takePictureWithFlash(flashdauer);
 
-    if (debug_detail_heap) LogFile.WriteHeapInfo("ClassFlowMakeImage::doFlow - After takePictureWithFlash");
+#ifdef DEBUG_DETAIL_ON  
+    LogFile.WriteHeapInfo("ClassFlowMakeImage::doFlow - After takePictureWithFlash");
+#endif
 
     LogImage(logPath, "raw", NULL, NULL, zwtime, rawImage);
 
     RemoveOldLogs();
-    if (debug_detail_heap) LogFile.WriteHeapInfo("ClassFlowMakeImage::doFlow - After RemoveOldLogs");
+
+#ifdef DEBUG_DETAIL_ON  
+    LogFile.WriteHeapInfo("ClassFlowMakeImage::doFlow - After RemoveOldLogs");
+#endif
 
     return true;
 }
diff --git a/code/components/jomjol_flowcontroll/ClassFlowMakeImage.h b/code/components/jomjol_flowcontroll/ClassFlowMakeImage.h
index 19fdcb45..744c2cd3 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowMakeImage.h
+++ b/code/components/jomjol_flowcontroll/ClassFlowMakeImage.h
@@ -49,5 +49,3 @@ public:
 };
 
 
-extern bool debug_detail_heap;
-
diff --git a/code/components/jomjol_image_proc/CAlignAndCutImage.cpp b/code/components/jomjol_image_proc/CAlignAndCutImage.cpp
index b219b3a0..cb38b211 100644
--- a/code/components/jomjol_image_proc/CAlignAndCutImage.cpp
+++ b/code/components/jomjol_image_proc/CAlignAndCutImage.cpp
@@ -18,7 +18,9 @@ CAlignAndCutImage::CAlignAndCutImage(CImageBasis *_org, CImageBasis *_temp)
     width = _org->width;
     height = _org->height;
     bpp = _org->bpp;
-    externalImage = true;    
+    externalImage = true;   
+
+    islocked = false; 
 
     ImageTMP = _temp;
 }
@@ -110,6 +112,8 @@ void CAlignAndCutImage::CutAndSave(std::string _template1, int x1, int y1, int d
     stbi_uc* p_target;
     stbi_uc* p_source;
 
+    RGBImageLock();
+
     for (int x = x1; x < x2; ++x)
         for (int y = y1; y < y2; ++y)
         {
@@ -122,6 +126,8 @@ void CAlignAndCutImage::CutAndSave(std::string _template1, int x1, int y1, int d
     //    stbi_write_jpg(_template1.c_str(), dx, dy, channels, odata, 0);
     stbi_write_bmp(_template1.c_str(), dx, dy, channels, odata);
 
+    RGBImageRelease();
+
     stbi_image_free(odata);
 }
 
@@ -143,7 +149,8 @@ void CAlignAndCutImage::CutAndSave(int x1, int y1, int dx, int dy, CImageBasis *
         return;
     }
 
-    uint8_t* odata = _target->rgb_image;
+    uint8_t* odata = _target->RGBImageLock();
+    RGBImageLock();
 
     stbi_uc* p_target;
     stbi_uc* p_source;
@@ -156,6 +163,9 @@ void CAlignAndCutImage::CutAndSave(int x1, int y1, int dx, int dy, CImageBasis *
             for (int _channels = 0; _channels < channels; ++_channels)
                 p_target[_channels] = p_source[_channels];
         }
+
+    RGBImageRelease();
+    _target->RGBImageRelease();
 }
 
 
@@ -177,6 +187,8 @@ CImageBasis* CAlignAndCutImage::CutAndSave(int x1, int y1, int dx, int dy)
     stbi_uc* p_target;
     stbi_uc* p_source;
 
+    RGBImageLock();
+
     for (int x = x1; x < x2; ++x)
         for (int y = y1; y < y2; ++y)
         {
@@ -187,6 +199,7 @@ CImageBasis* CAlignAndCutImage::CutAndSave(int x1, int y1, int dx, int dy)
         }
 
     CImageBasis* rs = new CImageBasis(odata, channels, dx, dy, bpp);
+    RGBImageRelease();
     rs->SetIndepended();
     return rs;
 }
diff --git a/code/components/jomjol_image_proc/CFindTemplate.cpp b/code/components/jomjol_image_proc/CFindTemplate.cpp
index 4af20ccc..33f02eae 100644
--- a/code/components/jomjol_image_proc/CFindTemplate.cpp
+++ b/code/components/jomjol_image_proc/CFindTemplate.cpp
@@ -44,6 +44,8 @@ void CFindTemplate::FindTemplate(std::string _template, int* found_x, int* found
     double aktSAD;
     double minSAD = pow(tpl_width * tpl_height * 255, 2);
 
+    RGBImageLock();
+
     for (int xouter = ow_start; xouter <= ow_stop; xouter++)
         for (int youter = oh_start; youter <= oh_stop; ++youter)
         {
@@ -66,6 +68,8 @@ void CFindTemplate::FindTemplate(std::string _template, int* found_x, int* found
             }
         }
 
+    RGBImageRelease();
+
     stbi_write_bmp("sdcard\\find.bmp", ow, oh, channels, odata);
 
     stbi_image_free(odata);
diff --git a/code/components/jomjol_image_proc/CImageBasis.cpp b/code/components/jomjol_image_proc/CImageBasis.cpp
index 434bd68c..b850210c 100644
--- a/code/components/jomjol_image_proc/CImageBasis.cpp
+++ b/code/components/jomjol_image_proc/CImageBasis.cpp
@@ -19,6 +19,43 @@ using namespace std;
 
 static const char *TAG = "CImageBasis";
 
+//#define DEBUG_DETAIL_ON   
+
+
+
+uint8_t * CImageBasis::RGBImageLock(int _waitmaxsec)
+{
+    if (islocked)
+    {
+#ifdef DEBUG_DETAIL_ON   
+        printf("Image is locked: sleep for : %ds\n", _waitmaxsec);
+#endif
+        TickType_t xDelay;
+        xDelay = 1000 / portTICK_PERIOD_MS;
+        for (int i = 0; i <= _waitmaxsec; ++i)
+        {
+            vTaskDelay( xDelay ); 
+            if (!islocked)
+                break;
+        }
+    }
+
+    if (islocked)
+        return NULL;
+
+    return rgb_image;
+}
+
+void CImageBasis::RGBImageRelease()
+{
+    islocked = false;
+}
+
+uint8_t * CImageBasis::RGBImageGet()
+{
+    return rgb_image;
+}
+
 
 
 void writejpghelp(void *context, void *data, int size)
@@ -42,7 +79,9 @@ ImageData* CImageBasis::writeToMemoryAsJPG(const int quality)
 {
     ImageData* ii = new ImageData;
 
+    RGBImageLock();
     stbi_write_jpg_to_func(writejpghelp, ii, width, height, channels, rgb_image, quality);
+    RGBImageRelease();
 
     return ii;
 }
@@ -83,7 +122,9 @@ esp_err_t CImageBasis::SendJPGtoHTTP(httpd_req_t *_req, const int quality)
     ii.res = ESP_OK;
     ii.size = 0;
 
+    RGBImageLock();
     stbi_write_jpg_to_func(writejpgtohttphelp, &ii, width, height, channels, rgb_image, quality);
+    RGBImageRelease();
 
     if (ii.size > 0)
     {
@@ -107,7 +148,10 @@ bool CImageBasis::CopyFromMemory(uint8_t* _source, int _size)
         printf("Kann Bild nicht von Speicher kopierte - Größen passen nicht zusammen: soll %d, ist %d\n", _size, gr);
         return false;
     }
+
+    RGBImageLock();
     memCopy(_source, rgb_image, _size);
+    RGBImageRelease();
 
     return true;
 }
@@ -145,6 +189,7 @@ void CImageBasis::setPixelColor(int x, int y, int r, int g, int b)
 {
     stbi_uc* p_source;
 
+    RGBImageLock();
     p_source = rgb_image + (channels * (y * width + x));
     p_source[0] = r;
     if ( channels > 2)
@@ -152,6 +197,7 @@ void CImageBasis::setPixelColor(int x, int y, int r, int g, int b)
         p_source[1] = g;
         p_source[2] = b;
     }
+    RGBImageRelease();
 }
 
 void CImageBasis::drawRect(int x, int y, int dx, int dy, int r, int g, int b, int thickness)
@@ -251,6 +297,7 @@ CImageBasis::CImageBasis()
     width = 0;
     height = 0;
     channels = 0;    
+    islocked = false;
 }
 
 void CImageBasis::CreateEmptyImage(int _width, int _height, int _channels)
@@ -260,6 +307,9 @@ void CImageBasis::CreateEmptyImage(int _width, int _height, int _channels)
     height = _height;
     channels = _channels;
 
+    RGBImageLock();
+
+
     int memsize = width * height * channels;
     rgb_image = (unsigned char*)GET_MEMORY(memsize);
 
@@ -274,31 +324,38 @@ void CImageBasis::CreateEmptyImage(int _width, int _height, int _channels)
                 p_source[_channels] = (uint8_t) 0;
         }
 
+    RGBImageRelease();
+
 
 }
 
 void CImageBasis::LoadFromMemory(stbi_uc *_buffer, int len)
 {
+    RGBImageLock();
     if (rgb_image)
         stbi_image_free(rgb_image);
     rgb_image = stbi_load_from_memory(_buffer, len, &width, &height, &channels, 3);
     bpp = channels;
     printf("Image loaded from memory: %d, %d, %d\n", width, height, channels);
+    RGBImageRelease();
 }
 
 CImageBasis::CImageBasis(CImageBasis *_copyfrom, int _anzrepeat) 
 {
+    islocked = false;
     externalImage = false;
     channels = _copyfrom->channels;
     width = _copyfrom->width;
     height = _copyfrom->height;
     bpp = _copyfrom->bpp;
 
+    RGBImageLock();
+
     int memsize = width * height * channels;
     rgb_image = (unsigned char*)GET_MEMORY(memsize);
 
-    int anz = 1;
     TickType_t xDelay;
+    int anz = 1;
     while (!rgb_image && (anz < _anzrepeat))    
     {
 		    printf("Create Image from Copy - Speicher ist voll - Versuche es erneut: %d.\n", anz);
@@ -312,14 +369,17 @@ CImageBasis::CImageBasis(CImageBasis *_copyfrom, int _anzrepeat)
     {
         printf(getESPHeapInfo().c_str());
         printf("\nKein freier Speicher mehr!!!! Benötigt: %d %d %d %d\n", width, height, channels, memsize);
+        RGBImageRelease();
         return;
     }
 
     memCopy(_copyfrom->rgb_image, rgb_image, memsize);
+    RGBImageRelease();
 }
 
 CImageBasis::CImageBasis(int _width, int _height, int _channels)
 {
+    islocked = false;
     externalImage = false;
     channels = _channels;
     width = _width;
@@ -327,6 +387,7 @@ CImageBasis::CImageBasis(int _width, int _height, int _channels)
     bpp = _channels;
 
     int memsize = width * height * channels;
+
     rgb_image = (unsigned char*)GET_MEMORY(memsize);
     if (!rgb_image)
     {
@@ -339,13 +400,17 @@ CImageBasis::CImageBasis(int _width, int _height, int _channels)
 
 CImageBasis::CImageBasis(std::string _image)
 {
+    islocked = false;
     channels = 3;
     externalImage = false;
     filename = _image;
     long zwld = esp_get_free_heap_size();
     printf("freeheapsize before: %ld\n", zwld);
 
+    RGBImageLock();
     rgb_image = stbi_load(_image.c_str(), &width, &height, &bpp, channels);
+    RGBImageRelease();
+
     zwld = esp_get_free_heap_size();
     printf("freeheapsize after : %ld\n", zwld);
 
@@ -355,6 +420,7 @@ CImageBasis::CImageBasis(std::string _image)
     zw = "CImageBasis after load " + _image + "\n";
     printf(zw.c_str());
     printf("w %d, h %d, b %d, c %d\n", width, height, bpp, channels);
+
 }
 
 bool CImageBasis::ImageOkay(){
@@ -363,6 +429,7 @@ bool CImageBasis::ImageOkay(){
 
 CImageBasis::CImageBasis(uint8_t* _rgb_image, int _channels, int _width, int _height, int _bpp)
 {
+    islocked = false;
     rgb_image = _rgb_image;
     channels = _channels;
     width = _width;
@@ -378,6 +445,9 @@ void CImageBasis::Contrast(float _contrast)  //input range [-100..100]
     float contrast = (_contrast/100) + 1;  //convert to decimal & shift range: [0..2]
     float intercept = 128 * (1 - contrast);
 
+    RGBImageLock();
+
+
     for (int x = 0; x < width; ++x)
         for (int y = 0; y < height; ++y)
         {
@@ -385,10 +455,13 @@ void CImageBasis::Contrast(float _contrast)  //input range [-100..100]
             for (int _channels = 0; _channels < channels; ++_channels)
                 p_source[_channels] = (uint8_t) std::min(255, std::max(0, (int) (p_source[_channels] * contrast + intercept)));
         }
+
+    RGBImageRelease();
 }
 
 CImageBasis::~CImageBasis()
 {
+    RGBImageLock();
     if (!externalImage)
         stbi_image_free(rgb_image);
 }
@@ -397,6 +470,8 @@ void CImageBasis::SaveToFile(std::string _imageout)
 {
     string typ = getFileType(_imageout);
 
+    RGBImageLock();
+
     if ((typ == "jpg") || (typ == "JPG"))       // ACHTUNG PROBLEMATISCH IM ESP32
     {
         stbi_write_jpg(_imageout.c_str(), width, height, channels, rgb_image, 0);
@@ -406,6 +481,7 @@ void CImageBasis::SaveToFile(std::string _imageout)
     {
         stbi_write_bmp(_imageout.c_str(), width, height, channels, rgb_image);
     }
+    RGBImageRelease();
 }
 
 
@@ -414,12 +490,17 @@ void CImageBasis::Resize(int _new_dx, int _new_dy)
     int memsize = _new_dx * _new_dy * channels;
     uint8_t* odata = (unsigned char*)GET_MEMORY(memsize);
 
+    RGBImageLock();
+
+
     stbir_resize_uint8(rgb_image, width, height, 0, odata, _new_dx, _new_dy, 0, channels);
 
     stbi_image_free(rgb_image);
     rgb_image = (unsigned char*)GET_MEMORY(memsize);
 
     memCopy(odata, rgb_image, memsize);
+    RGBImageRelease();
+
     width = _new_dx;
     height = _new_dy;
     stbi_image_free(odata);
@@ -433,7 +514,10 @@ void CImageBasis::Resize(int _new_dx, int _new_dy, CImageBasis *_target)
         return;
     }
 
+    RGBImageLock();
+
     uint8_t* odata = _target->rgb_image;
     stbir_resize_uint8(rgb_image, width, height, 0, odata, _new_dx, _new_dy, 0, channels);
+    RGBImageRelease();
 }
 
diff --git a/code/components/jomjol_image_proc/CImageBasis.h b/code/components/jomjol_image_proc/CImageBasis.h
index 65f822b2..c754aa24 100644
--- a/code/components/jomjol_image_proc/CImageBasis.h
+++ b/code/components/jomjol_image_proc/CImageBasis.h
@@ -40,11 +40,17 @@ class CImageBasis
         void memCopy(uint8_t* _source, uint8_t* _target, int _size);
         bool isInImage(int x, int y);
 
+        bool islocked;
+
     public:
         uint8_t* rgb_image;
         int channels;
         int width, height, bpp; 
 
+        uint8_t * RGBImageLock(int _waitmaxsec = 60);
+        void RGBImageRelease();
+        uint8_t * RGBImageGet();
+
         int getWidth(){return this->width;};   
         int getHeight(){return this->height;};   
         int getChannels(){return this->channels;};   
diff --git a/code/components/jomjol_image_proc/CRotateImage.cpp b/code/components/jomjol_image_proc/CRotateImage.cpp
index 53edbf43..e40efda5 100644
--- a/code/components/jomjol_image_proc/CRotateImage.cpp
+++ b/code/components/jomjol_image_proc/CRotateImage.cpp
@@ -10,6 +10,7 @@ CRotateImage::CRotateImage(CImageBasis *_org, CImageBasis *_temp)
     bpp = _org->bpp;
     externalImage = true;   
     ImageTMP = _temp;    
+    islocked = false;
 }
 
 void CRotateImage::Mirror(){
@@ -17,7 +18,7 @@ void CRotateImage::Mirror(){
     uint8_t* odata;
     if (ImageTMP)
     {
-        odata = ImageTMP->rgb_image;
+        odata = ImageTMP->RGBImageLock();
     }
     else
     {
@@ -29,6 +30,8 @@ void CRotateImage::Mirror(){
     stbi_uc* p_target;
     stbi_uc* p_source;
 
+    RGBImageLock();
+
     for (int x = 0; x < width; ++x)
         for (int y = 0; y < height; ++y)
         {
@@ -45,9 +48,12 @@ void CRotateImage::Mirror(){
     //    memcpy(rgb_image, odata, memsize);
     memCopy(odata, rgb_image, memsize);
     if (!ImageTMP)
-    {
         stbi_image_free(odata);
-    }
+
+    if (ImageTMP)
+        ImageTMP->RGBImageRelease();
+
+    RGBImageRelease();
 }
 
 void CRotateImage::Rotate(float _angle, int _centerx, int _centery)
@@ -70,7 +76,7 @@ void CRotateImage::Rotate(float _angle, int _centerx, int _centery)
     uint8_t* odata;
     if (ImageTMP)
     {
-        odata = ImageTMP->rgb_image;
+        odata = ImageTMP->RGBImageLock();
     }
     else
     {
@@ -82,6 +88,8 @@ void CRotateImage::Rotate(float _angle, int _centerx, int _centery)
     stbi_uc* p_target;
     stbi_uc* p_source;
 
+    RGBImageLock();
+
     for (int x = 0; x < width; ++x)
         for (int y = 0; y < height; ++y)
         {
@@ -113,6 +121,10 @@ void CRotateImage::Rotate(float _angle, int _centerx, int _centery)
     {
         stbi_image_free(odata);
     }
+    if (ImageTMP)
+        ImageTMP->RGBImageRelease();
+
+    RGBImageRelease();
 }
 
 void CRotateImage::Rotate(float _angle)
@@ -127,7 +139,7 @@ void CRotateImage::Translate(int _dx, int _dy)
     uint8_t* odata;
     if (ImageTMP)
     {
-        odata = ImageTMP->rgb_image;
+        odata = ImageTMP->RGBImageLock();
     }
     else
     {
@@ -140,6 +152,8 @@ void CRotateImage::Translate(int _dx, int _dy)
     stbi_uc* p_target;
     stbi_uc* p_source;
 
+    RGBImageLock();
+
     for (int x = 0; x < width; ++x)
         for (int y = 0; y < height; ++y)
         {
@@ -167,5 +181,12 @@ void CRotateImage::Translate(int _dx, int _dy)
     {
         stbi_image_free(odata);
     }
+
+    if (ImageTMP)
+    {
+        ImageTMP->RGBImageRelease();
+    }
+    RGBImageRelease();
+
 }
 
diff --git a/code/components/jomjol_tfliteclass/CTfLiteClass.cpp b/code/components/jomjol_tfliteclass/CTfLiteClass.cpp
index 195223bc..fc0043d3 100644
--- a/code/components/jomjol_tfliteclass/CTfLiteClass.cpp
+++ b/code/components/jomjol_tfliteclass/CTfLiteClass.cpp
@@ -4,7 +4,7 @@
 
 #include <sys/stat.h>
 
-//#define DEBUG_DETAIL_ON
+// #define DEBUG_DETAIL_ON
 
 float CTfLiteClass::GetOutputValue(int nr)
 {
@@ -175,10 +175,8 @@ unsigned char* CTfLiteClass::ReadFileToCharArray(std::string _fn)
 
     if (size == -1)
     {
-#ifdef DEBUG_DETAIL_ON      
-		printf("\nFile existiert nicht.\n");
-#endif
-        return NULL;
+  		printf("\nFile existiert nicht.\n");
+      return NULL;
     }
 
     unsigned char *result = (unsigned char*) malloc(size);
diff --git a/code/components/jomjol_tfliteclass/server_tflite.cpp b/code/components/jomjol_tfliteclass/server_tflite.cpp
index 9e2cb3bc..963fa9b5 100644
--- a/code/components/jomjol_tfliteclass/server_tflite.cpp
+++ b/code/components/jomjol_tfliteclass/server_tflite.cpp
@@ -131,10 +131,8 @@ void blink_task_doFlow(void *pvParameter)
 
 esp_err_t handler_init(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_init - Start");       
-
 #ifdef DEBUG_DETAIL_ON      
-    LogFile.WriteToFile("handler_init"); 
+    LogFile.WriteHeapInfo("handler_init - Start");       
     printf("handler_doinit uri:\n"); printf(req->uri); printf("\n");
 #endif
 
@@ -149,7 +147,7 @@ esp_err_t handler_init(httpd_req_t *req)
     httpd_resp_send_chunk(req, NULL, 0);    
 
 #ifdef DEBUG_DETAIL_ON      
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_init - Done");       
+    LogFile.WriteHeapInfo("handler_init - Done");       
 #endif
 
     return ESP_OK;
@@ -158,8 +156,7 @@ esp_err_t handler_init(httpd_req_t *req)
 esp_err_t handler_doflow(httpd_req_t *req)
 {
 #ifdef DEBUG_DETAIL_ON          
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_doflow - Start");       
-    LogFile.WriteToFile("handler_doflow");   
+    LogFile.WriteHeapInfo("handler_doflow - Start");       
 #endif
 
     char* resp_str;
@@ -182,7 +179,7 @@ esp_err_t handler_doflow(httpd_req_t *req)
     httpd_resp_send_chunk(req, NULL, 0);       
 
 #ifdef DEBUG_DETAIL_ON   
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_doflow - Done");       
+    LogFile.WriteHeapInfo("handler_doflow - Done");       
 #endif
 
     return ESP_OK;
@@ -194,8 +191,7 @@ esp_err_t handler_doflow(httpd_req_t *req)
 esp_err_t handler_wasserzaehler(httpd_req_t *req)
 {
 #ifdef DEBUG_DETAIL_ON       
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_wasserzaehler - Start");    
-    LogFile.WriteToFile("handler_wasserzaehler");    
+    LogFile.WriteHeapInfo("handler_wasserzaehler - Start");    
 #endif
 
     bool _rawValue = false;
@@ -283,7 +279,7 @@ esp_err_t handler_wasserzaehler(httpd_req_t *req)
     httpd_resp_sendstr_chunk(req, NULL);   
 
 #ifdef DEBUG_DETAIL_ON       
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_wasserzaehler - Done");   
+    LogFile.WriteHeapInfo("handler_wasserzaehler - Done");   
 #endif
     return ESP_OK;
 };
@@ -292,8 +288,7 @@ esp_err_t handler_wasserzaehler(httpd_req_t *req)
 esp_err_t handler_editflow(httpd_req_t *req)
 {
 #ifdef DEBUG_DETAIL_ON       
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_editflow - Start");       
-    LogFile.WriteToFile("handler_editflow");    
+    LogFile.WriteHeapInfo("handler_editflow - Start");       
 #endif
 
     printf("handler_editflow uri: "); printf(req->uri); printf("\n");
@@ -459,7 +454,7 @@ esp_err_t handler_editflow(httpd_req_t *req)
     httpd_resp_sendstr_chunk(req, NULL);   
 
 #ifdef DEBUG_DETAIL_ON       
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_editflow - Done");       
+    LogFile.WriteHeapInfo("handler_editflow - Done");       
 #endif
 
     return ESP_OK;
@@ -469,8 +464,7 @@ esp_err_t handler_editflow(httpd_req_t *req)
 esp_err_t handler_prevalue(httpd_req_t *req)
 {
 #ifdef DEBUG_DETAIL_ON       
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_prevalue - Start");       
-    LogFile.WriteToFile("handler_prevalue"); 
+    LogFile.WriteHeapInfo("handler_prevalue - Start");       
 #endif
 
     const char* resp_str;
@@ -504,7 +498,7 @@ esp_err_t handler_prevalue(httpd_req_t *req)
     httpd_resp_send_chunk(req, NULL, 0);      
 
 #ifdef DEBUG_DETAIL_ON       
-    if (debug_detail_heap) LogFile.WriteHeapInfo("handler_prevalue - Start");       
+    LogFile.WriteHeapInfo("handler_prevalue - Start");       
 #endif
 
     return ESP_OK;
diff --git a/code/components/jomjol_tfliteclass/server_tflite.h b/code/components/jomjol_tfliteclass/server_tflite.h
index da778839..148be20e 100644
--- a/code/components/jomjol_tfliteclass/server_tflite.h
+++ b/code/components/jomjol_tfliteclass/server_tflite.h
@@ -18,5 +18,3 @@ bool isSetupModusActive();
 esp_err_t GetJPG(std::string _filename, httpd_req_t *req);
 
 esp_err_t GetRawJPG(httpd_req_t *req);
-
-extern bool debug_detail_heap;
\ No newline at end of file
diff --git a/code/main/main.cpp b/code/main/main.cpp
index 9f200199..0970180e 100644
--- a/code/main/main.cpp
+++ b/code/main/main.cpp
@@ -26,12 +26,8 @@
 #include "server_main.h"
 #include "server_camera.h"
 #include "server_GPIO.h"
-
 static const char *TAGMAIN = "connect_wlan_main";
 
-
-bool debug_detail_heap = false;
-
 #define FLASH_GPIO GPIO_NUM_4
 
 void Init_NVS_SDCard()
@@ -144,7 +140,6 @@ extern "C" void app_main(void)
     register_server_tflite_uri(server);
     register_server_file_uri(server, "/sdcard");
     register_server_ota_sdcard_uri(server);
-    register_server_GPIO_uri(server);
     register_server_main_uri(server, "/sdcard");
 
     TFliteDoAutoStart();
diff --git a/code/main/server_main.cpp b/code/main/server_main.cpp
index c71e6e2c..37802ebf 100644
--- a/code/main/server_main.cpp
+++ b/code/main/server_main.cpp
@@ -15,6 +15,9 @@
 
 #include "server_tflite.h"
 
+//#define DEBUG_DETAIL_ON      
+
+
 
 httpd_handle_t server = NULL;   
 
@@ -24,7 +27,9 @@ std::string starttime = "";
 /* An HTTP GET handler */
 esp_err_t info_get_handler(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("info_get_handler - Start");    
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("info_get_handler - Start");    
+#endif
 
     LogFile.WriteToFile("info_get_handler");    
     char _query[200];
@@ -126,26 +131,35 @@ esp_err_t info_get_handler(httpd_req_t *req)
         return ESP_OK;        
     }
 
-    if (debug_detail_heap) LogFile.WriteHeapInfo("info_get_handler - Done");    
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("info_get_handler - Done"); 
+#endif   
 
     return ESP_OK;
 }
 
 esp_err_t starttime_get_handler(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("starttime_get_handler - Start");       
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("starttime_get_handler - Start");       
+#endif
+
     httpd_resp_send(req, starttime.c_str(), strlen(starttime.c_str())); 
     /* Respond with an empty chunk to signal HTTP response completion */
     httpd_resp_send_chunk(req, NULL, 0);  
 
-    if (debug_detail_heap) LogFile.WriteHeapInfo("starttime_get_handler - Done");          
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("starttime_get_handler - Done"); 
+#endif         
 
     return ESP_OK;
 }
 
 esp_err_t hello_main_handler(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("hello_main_handler - Start");
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("hello_main_handler - Start");
+#endif
 
     char filepath[50];
     printf("uri: %s\n", req->uri);
@@ -197,7 +211,9 @@ esp_err_t hello_main_handler(httpd_req_t *req)
     /* Respond with an empty chunk to signal HTTP response completion */
     httpd_resp_send_chunk(req, NULL, 0);
 
-    if (debug_detail_heap) LogFile.WriteHeapInfo("hello_main_handler - Stop");   
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("hello_main_handler - Stop");   
+#endif
 
     return ESP_OK;
 }
@@ -228,7 +244,10 @@ esp_err_t img_tmp_handler(httpd_req_t *req)
 
 esp_err_t img_tmp_virtual_handler(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("img_tmp_virtual_handler - Start");    
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("img_tmp_virtual_handler - Start");  
+#endif
+
     char filepath[50];
 
     printf("uri: %s\n", req->uri);
@@ -254,7 +273,9 @@ esp_err_t img_tmp_virtual_handler(httpd_req_t *req)
         return ESP_OK;
 
     // File wird nicht intern bereit gestellt --> klassischer weg:
-    if (debug_detail_heap) LogFile.WriteHeapInfo("img_tmp_virtual_handler - Done");   
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("img_tmp_virtual_handler - Done");   
+#endif
 
     return img_tmp_handler(req);
 }
@@ -265,7 +286,9 @@ esp_err_t img_tmp_virtual_handler(httpd_req_t *req)
 
 esp_err_t sysinfo_handler(httpd_req_t *req)
 {
-    if (debug_detail_heap) LogFile.WriteHeapInfo("sysinfo_handler - Start");  
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("sysinfo_handler - Start");  
+#endif
 
     const char* resp_str; 
     std::string zw;
@@ -302,7 +325,9 @@ esp_err_t sysinfo_handler(httpd_req_t *req)
     /* Respond with an empty chunk to signal HTTP response completion */
     httpd_resp_send_chunk(req, NULL, 0);  
 
-    if (debug_detail_heap) LogFile.WriteHeapInfo("sysinfo_handler - Done");          
+#ifdef DEBUG_DETAIL_ON      
+    LogFile.WriteHeapInfo("sysinfo_handler - Done");
+#endif          
 
     return ESP_OK;
 }
diff --git a/code/main/server_main.h b/code/main/server_main.h
index bab0665e..e4f75b4c 100644
--- a/code/main/server_main.h
+++ b/code/main/server_main.h
@@ -22,7 +22,4 @@ httpd_handle_t start_webserver(void);
 
 void register_server_main_uri(httpd_handle_t server, const char *base_path);
 
-extern bool debug_detail_heap;
-
-
 #endif
diff --git a/code/main/version.cpp b/code/main/version.cpp
index 0e7f121c..16d381a8 100644
--- a/code/main/version.cpp
+++ b/code/main/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="ae11698";
+const char* GIT_REV="9c8f64f";
 const char* GIT_TAG="";
-const char* GIT_BRANCH="rolling";
-const char* BUILD_TIME="2020-12-31 11:13";
\ No newline at end of file
+const char* GIT_BRANCH="rolling-update-cimage";
+const char* BUILD_TIME="2021-01-01 09:32";
\ No newline at end of file
diff --git a/code/version.cpp b/code/version.cpp
index 0e7f121c..16d381a8 100644
--- a/code/version.cpp
+++ b/code/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="ae11698";
+const char* GIT_REV="9c8f64f";
 const char* GIT_TAG="";
-const char* GIT_BRANCH="rolling";
-const char* BUILD_TIME="2020-12-31 11:13";
\ No newline at end of file
+const char* GIT_BRANCH="rolling-update-cimage";
+const char* BUILD_TIME="2021-01-01 09:32";
\ No newline at end of file
diff --git a/firmware/bootloader.bin b/firmware/bootloader.bin
index 31ac746a..078426e6 100644
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diff --git a/firmware/firmware.bin b/firmware/firmware.bin
index d8b6396f..d7a46520 100644
Binary files a/firmware/firmware.bin and b/firmware/firmware.bin differ