diff --git a/README.md b/README.md
index cb1e5402..3e80834c 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,14 @@ In other cases you can contact the developer via email: <img src="https://raw.gi
 **General remark:** Beside the `firmware.bin`, typically also the content of `/html` needs to be updated!
 
 
-##### Rolling - (2021-05-22 - v2)
+
+##### Rolling - (2021-05-27)
+
+* MQTT error message: changes from blank to "no error" in case everything is okay
+* Bug fix: disable LED, enable GPIO again
+* Bug fix: if in fixed ip modus no DNS is specified, the gateway will be used
+
+Rolling - (2021-05-22 - v2)
 * Bug fix: calculation of flow rate, MQTT sending of rate
 
 Rolling - (2021-05-20)
diff --git a/code/components/jomjol_controlcamera/ClassControllCamera.cpp b/code/components/jomjol_controlcamera/ClassControllCamera.cpp
index 2203e181..d4bd9224 100644
--- a/code/components/jomjol_controlcamera/ClassControllCamera.cpp
+++ b/code/components/jomjol_controlcamera/ClassControllCamera.cpp
@@ -222,7 +222,8 @@ void CCamera::SetQualitySize(int qual, framesize_t resol)
 void CCamera::EnableAutoExposure(int flashdauer)
 {
     LEDOnOff(true);
-    LightOnOff(true);
+    if (flashdauer > 0)
+        LightOnOff(true);
     const TickType_t xDelay = flashdauer / portTICK_PERIOD_MS;
     vTaskDelay( xDelay );
 
diff --git a/code/components/jomjol_flowcontroll/ClassFlowControll.cpp b/code/components/jomjol_flowcontroll/ClassFlowControll.cpp
index e9020e7c..7399aa23 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowControll.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowControll.cpp
@@ -22,13 +22,16 @@ static const char* TAG = "flow_controll";
 std::string ClassFlowControll::doSingleStep(std::string _stepname, std::string _host){
     std::string _classname = "";
     std::string result = "";
+//    printf("_stepname: %s\n", _stepname.c_str());
     if ((_stepname.compare("[MakeImage]") == 0) || (_stepname.compare(";[MakeImage]") == 0)){
         _classname = "ClassFlowMakeImage";
     }
     if ((_stepname.compare("[Alignment]") == 0) || (_stepname.compare(";[Alignment]") == 0)){
         _classname = "ClassFlowAlignment";
     }
-    if ((_stepname.compare("[Digits]") == 0) || (_stepname.compare(";[Digits]") == 0)){
+    if ((_stepname.compare(0, 7, "[Digits") == 0) || (_stepname.compare(0, 8, ";[Digits") == 0)) {
+//    if ((_stepname.compare("[Digits]") == 0) || (_stepname.compare(";[Digits]") == 0)){
+//        printf("Digits!!!\n");
         _classname = "ClassFlowDigit";
     }
     if ((_stepname.compare("[Analog]") == 0) || (_stepname.compare(";[Analog]") == 0)){
@@ -110,7 +113,7 @@ ClassFlow* ClassFlowControll::CreateClassFlow(std::string _type)
         cfc = new ClassFlowAnalog(&FlowControll);
         flowanalog = (ClassFlowAnalog*) cfc;
     }
-    if (toUpper(_type).compare("[DIGITS]") == 0)
+    if (toUpper(_type).compare(0, 7, "[DIGITS") == 0)
     {
         cfc = new ClassFlowDigit(&FlowControll);
         flowdigit = (ClassFlowDigit*) cfc;
diff --git a/code/components/jomjol_flowcontroll/ClassFlowDigit.cpp b/code/components/jomjol_flowcontroll/ClassFlowDigit.cpp
index 9225ce6e..6e37cc0b 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowDigit.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowDigit.cpp
@@ -26,7 +26,8 @@ void ClassFlowDigit::SetInitialParameter(void)
     previousElement = NULL;    
     SaveAllFiles = false;
     disabled = false;
-
+    DecimalShift = 0;
+    DecimalShiftEnabled = false;
 }    
 
 ClassFlowDigit::ClassFlowDigit() : ClassFlowImage(TAG)
@@ -88,8 +89,25 @@ bool ClassFlowDigit::ReadParameter(FILE* pfile, string& aktparamgraph)
         if (!this->GetNextParagraph(pfile, aktparamgraph)) 
             return false;
 
+    printf("aktparamgraph: %s\n", aktparamgraph.c_str());
+
+
+/*
     if ((aktparamgraph.compare("[Digits]") != 0) && (aktparamgraph.compare(";[Digits]") != 0))       // Paragraph passt nich zu MakeImage
         return false;
+*/
+
+    if ((aktparamgraph.compare(0, 7, "[Digits") != 0) && (aktparamgraph.compare(0, 8, ";[Digits") != 0))       // Paragraph passt nich zu MakeImage
+        return false;
+
+    int _pospkt = aktparamgraph.find_first_of(".");
+    int _posklammerzu = aktparamgraph.find_first_of("]");
+//    printf("Pos: %d, %d\n", _pospkt, _posklammerzu);
+    if (_pospkt > -1)
+        NameDigit = aktparamgraph.substr(_pospkt+1, _posklammerzu - _pospkt-1);
+    else
+        NameDigit = "";
+    printf("Name Digit: %s\n", NameDigit.c_str());
 
     if (aktparamgraph[0] == ';')
     {
diff --git a/code/components/jomjol_flowcontroll/ClassFlowDigit.h b/code/components/jomjol_flowcontroll/ClassFlowDigit.h
index 941c0f27..3af92f85 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowDigit.h
+++ b/code/components/jomjol_flowcontroll/ClassFlowDigit.h
@@ -21,6 +21,10 @@ protected:
     string cnnmodelfile;
     int modelxsize, modelysize;
     bool SaveAllFiles;
+    string NameDigit;
+    int DecimalShift;
+    bool DecimalShiftEnabled;
+
 
     ClassFlowAlignment* flowpostalignment;
  
diff --git a/code/components/jomjol_flowcontroll/ClassFlowMakeImage.cpp b/code/components/jomjol_flowcontroll/ClassFlowMakeImage.cpp
index cd1fa45b..129882ec 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowMakeImage.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowMakeImage.cpp
@@ -26,6 +26,7 @@ void ClassFlowMakeImage::takePictureWithFlash(int flashdauer)
     rawImage->width = image_width;          
     rawImage->height = image_height;
     /////////////////////////////////////////////////////////////////////////////////////
+    printf("Flashdauer: %d\n", flashdauer);
     Camera.CaptureToBasisImage(rawImage, flashdauer);
     time(&TimeImageTaken);
     localtime(&TimeImageTaken);
@@ -92,6 +93,12 @@ bool ClassFlowMakeImage::ReadParameter(FILE* pfile, string& aktparamgraph)
             if (toUpper(zerlegt[1]) == "TRUE")
                 SaveAllFiles = true;
         }
+        
+        if ((toUpper(zerlegt[0]) == "WAITBEFORETAKINGPICTURE") && (zerlegt.size() > 1))
+        {
+            waitbeforepicture = stoi(zerlegt[1]);
+        }
+
 
         if ((toUpper(zerlegt[0]) == "BRIGHTNESS") && (zerlegt.size() > 1))
         {
@@ -124,9 +131,9 @@ bool ClassFlowMakeImage::ReadParameter(FILE* pfile, string& aktparamgraph)
     rawImage->CreateEmptyImage(image_width, image_height, 3);
 
     waitbeforepicture_store = waitbeforepicture;
-    if (FixedExposure)
+    if (FixedExposure && (waitbeforepicture > 0))
     {
-        printf("Fixed Exposure enabled!\n");
+//        printf("Fixed Exposure enabled!\n");
         int flashdauer = (int) (waitbeforepicture * 1000);
         Camera.EnableAutoExposure(flashdauer);
         waitbeforepicture = 0.2;
diff --git a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
index e63a0929..e9d54cb0 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
@@ -434,6 +434,7 @@ bool ClassFlowPostProcessing::doFlow(string zwtime)
     if (ErrorMessageText.length() == 0)
     {
         PreValue = Value;
+        ErrorMessageText = "no error";
         SavePreValue(Value, zwtime);
     }
     return true;
diff --git a/code/components/jomjol_wlan/connect_wlan.cpp b/code/components/jomjol_wlan/connect_wlan.cpp
index 906f93ba..bc177dc4 100644
--- a/code/components/jomjol_wlan/connect_wlan.cpp
+++ b/code/components/jomjol_wlan/connect_wlan.cpp
@@ -176,7 +176,11 @@ void wifi_init_sta(const char *_ssid, const char *_password, const char *_hostna
     wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
     ESP_ERROR_CHECK(esp_wifi_init(&cfg));
 
-    if (_dns != NULL) {
+    if ((_ipadr != NULL) && (_gw != NULL) && (_netmask != NULL))
+    {
+        if (_dns == NULL)
+            _dns = _gw;
+            
         ESP_LOGI(TAG, "set DNS manual");
         esp_netif_dns_info_t dns_info;
         ip4_addr_t ip;
diff --git a/code/dependencies.lock b/code/dependencies.lock
new file mode 100644
index 00000000..de82408d
--- /dev/null
+++ b/code/dependencies.lock
@@ -0,0 +1,2 @@
+manifest_hash: 45994dbfed009907994c31f6d279c5861a1eacbf219ce8b58e74e39b3393816a
+version: 1.0.0
diff --git a/code/main/main.cpp b/code/main/main.cpp
index eda84e83..75dee4f9 100644
--- a/code/main/main.cpp
+++ b/code/main/main.cpp
@@ -31,7 +31,7 @@
 #define __SD_USE_ONE_LINE_MODE__
 
 #ifdef __SD_USE_ONE_LINE_MODE__
-// #include "server_GPIO.h"
+#include "server_GPIO.h"
 #endif
 
 
@@ -200,7 +200,7 @@ extern "C" void app_main(void)
     register_server_ota_sdcard_uri(server);
 
 #ifdef __SD_USE_ONE_LINE_MODE__
-//    register_server_GPIO_uri(server);
+    register_server_GPIO_uri(server);
 #endif    
     printf("vor reg server main\n");
 
diff --git a/code/main/version.cpp b/code/main/version.cpp
index e0311dc2..1d849532 100644
--- a/code/main/version.cpp
+++ b/code/main/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="8a26b81";
+const char* GIT_REV="026bac1";
 const char* GIT_TAG="";
 const char* GIT_BRANCH="rolling";
-const char* BUILD_TIME="2021-05-22 11:34";
\ No newline at end of file
+const char* BUILD_TIME="2021-05-27 19:10";
\ No newline at end of file
diff --git a/code/version.cpp b/code/version.cpp
index e0311dc2..1d849532 100644
--- a/code/version.cpp
+++ b/code/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="8a26b81";
+const char* GIT_REV="026bac1";
 const char* GIT_TAG="";
 const char* GIT_BRANCH="rolling";
-const char* BUILD_TIME="2021-05-22 11:34";
\ No newline at end of file
+const char* BUILD_TIME="2021-05-27 19:10";
\ No newline at end of file
diff --git a/firmware/bootloader.bin b/firmware/bootloader.bin
index dd9b63f4..94ba6dcf 100644
Binary files a/firmware/bootloader.bin and b/firmware/bootloader.bin differ
diff --git a/firmware/firmware.bin b/firmware/firmware.bin
index c74baa92..86259fb8 100644
Binary files a/firmware/firmware.bin and b/firmware/firmware.bin differ