diff --git a/FeatureRequest.md b/FeatureRequest.md
index c28745b5..f1e66bce 100644
--- a/FeatureRequest.md
+++ b/FeatureRequest.md
@@ -11,6 +11,12 @@
 
 ____
 
+#### #9 Basic auth for the UI
+
+* https://github.com/jomjol/AI-on-the-edge-device/issues/283
+
+* Implementation of an authentication mechanism.
+
 #### #8 MQTT configurable readout intervall
 
 Make the readout intervall configurable via MQTT.
@@ -27,13 +33,13 @@ To do:
 * Implement a checking algo
 * Extend the firmware and html page for the error handling
 
-#### #6 Check for double ROI names
+#### ~~#6 Check for double ROI names~~ - implemented v8.0.0
 
-Check during configuration, that ROI names are unique.
+~~Check during configuration, that ROI names are unique.~~
 
-To do:
+~~To do:~~
 
-* Implementation of ROI name checking in html code before saving analog or digital ROIs
+* ~~Implementation of ROI name checking in html code before saving analog or digital ROIs~~
 
   
 
@@ -49,31 +55,31 @@ To do:
 
 
 
-#### #4 Initial Shifting and Rotation
+#### ~~#4 Initial Shifting and Rotation~~ - implemented v7.0.0
 
-* https://github.com/jomjol/AI-on-the-edge-device/issues/123
+* ~~https://github.com/jomjol/AI-on-the-edge-device/issues/123~~
 
-Implementation of a shifting additional to the initial rotation of the raw camera input
+~~Implementation of a shifting additional to the initial rotation of the raw camera input~~
 
-To do:
+~~To do:~~
 
-* Implementation of shifting
-* Extension of configuration
-* Adaption of the html configuration to implement shifting
+* ~~Implementation of shifting~~
+* ~~Extension of configuration~~
+* ~~Adaption of the html configuration to implement shifting~~
 
 
 
-#### #3 Allow grouping of digits to multiple reading values
+#### ~~#3 Allow grouping of digits to multiple reading values~~ - implemented v8.0.0
 
-* https://github.com/jomjol/AI-on-the-edge-device/issues/123
+* ~~https://github.com/jomjol/AI-on-the-edge-device/issues/123~~
 
-Implementation of two different independent readouts in one setup
+~~Implementation of two different independent readouts in one setup~~
 
-To do:
+~~To do:~~
+
+* ~~Extend the configuration, setting and processing flow for two independend readouts~~
 
-* Extend the configuration, setting and processing flow for two independend readouts
 
-https://github.com/jomjol/AI-on-the-edge-device/issues/123
 
 
 
@@ -96,15 +102,16 @@ To do:
 
 ____
 
-#### #1 Optional GPIO for external flash/lighting
+#### ~~#1 Optional GPIO for external flash/lighting~~ - implemented (v8.0.0)
 
-* https://github.com/jomjol/AI-on-the-edge-device/issues/133
+* ~~https://github.com/jomjol/AI-on-the-edge-device/issues/133~~
 
-Implementation of an an extrnal flash / lightning through GPIOs.
-* available GPIOs: 12 & 13 (currently in use for html switching)
+~~Implementation of an an extrnal flash / lightning through GPIOs.~~
 
-To do:
+* ~~available GPIOs: 12 & 13 (currently in use for html switching)~~
 
-* Implementation of a software module for external light source (e.g. WS8132 LED controller, ...)
-* Update of the camera module to use the external light instead of the internal flash light
-* Adopt the configuration algorithm with a configurable light source
\ No newline at end of file
+~~To do:~~
+
+* ~~Implementation of a software module for external light source (e.g. WS8132 LED controller, ...)~~
+* ~~Update of the camera module to use the external light instead of the internal flash light~~
+* ~~Adopt the configuration algorithm with a configurable light source~~
\ No newline at end of file
diff --git a/README.md b/README.md
index 17eb360b..96b63c9d 100644
--- a/README.md
+++ b/README.md
@@ -47,8 +47,9 @@ In other cases you can contact the developer via email: <img src="https://raw.gi
 
 
 
-##### 8.0.1 - Multi Meter Support (2021-07-18)
+##### 8.0.2 - Multi Meter Support (2021-07-23
 
+* NEW 8.0.1: saving roundes prevalue, bug fix html server
 * NEW 8.0.1: bug fix html handling of parameter `FixedExposure` and `ImageSize`
 * Dual / multi meter support (more than 1 number to be recognized)
   This is implemented with the feature "number" on the ROI definition as well as selected options
diff --git a/code/components/jomjol_fileserver_ota/server_help.cpp b/code/components/jomjol_fileserver_ota/server_help.cpp
index 00b3e826..21648aa4 100644
--- a/code/components/jomjol_fileserver_ota/server_help.cpp
+++ b/code/components/jomjol_fileserver_ota/server_help.cpp
@@ -107,6 +107,8 @@ esp_err_t set_content_type_from_file(httpd_req_t *req, const char *filename)
         return httpd_resp_set_type(req, "text/html");
     } else if (IS_FILE_EXT(filename, ".jpeg")) {
         return httpd_resp_set_type(req, "image/jpeg");
+    } else if (IS_FILE_EXT(filename, ".jpg")) {
+        return httpd_resp_set_type(req, "image/jpeg");
     } else if (IS_FILE_EXT(filename, ".ico")) {
         return httpd_resp_set_type(req, "image/x-icon");
     }
diff --git a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
index 4cb80201..41cebeea 100644
--- a/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
+++ b/code/components/jomjol_flowcontroll/ClassFlowPostProcessing.cpp
@@ -208,7 +208,7 @@ void ClassFlowPostProcessing::SavePreValue()
         strftime(buffer, 80, PREVALUE_TIME_FORMAT_OUTPUT, timeinfo);
         NUMBERS[j]->timeStamp = std::string(buffer);
 
-        _zw = NUMBERS[j]->name + "\t" + NUMBERS[j]->timeStamp + "\t" + to_string(NUMBERS[j]->PreValue) + "\n";
+        _zw = NUMBERS[j]->name + "\t" + NUMBERS[j]->timeStamp + "\t" + RundeOutput(NUMBERS[j]->Value, NUMBERS[j]->Nachkomma) + "\n";
         printf("Write PreValue Zeile: %s\n", _zw.c_str());
 
         fputs(_zw.c_str(), pFile);
@@ -594,7 +594,7 @@ bool ClassFlowPostProcessing::doFlow(string zwtime)
 
             if ((!NUMBERS[j]->AllowNegativeRates) && (NUMBERS[j]->Value < NUMBERS[j]->PreValue))
             {
-                NUMBERS[j]->ErrorMessageText = NUMBERS[j]->ErrorMessageText + "Neg. Rate - Read: " + zwvalue + " - Raw: " + NUMBERS[j]->ReturnRawValue + " - Pre: " + std::to_string(NUMBERS[j]->Value) + " "; 
+                NUMBERS[j]->ErrorMessageText = NUMBERS[j]->ErrorMessageText + "Neg. Rate - Read: " + zwvalue + " - Raw: " + NUMBERS[j]->ReturnRawValue + " - Pre: " + RundeOutput(NUMBERS[j]->PreValue, NUMBERS[j]->Nachkomma) + " "; 
                 NUMBERS[j]->Value = NUMBERS[j]->PreValue;
                 zwvalue = RundeOutput(NUMBERS[j]->Value, NUMBERS[j]->AnzahlAnalog - NUMBERS[j]->DecimalShift);
             }
diff --git a/code/main/version.cpp b/code/main/version.cpp
index e9fcd1f0..fe5184b4 100644
--- a/code/main/version.cpp
+++ b/code/main/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="03b5e36";
+const char* GIT_REV="a6d39af";
 const char* GIT_TAG="";
-const char* GIT_BRANCH="master";
-const char* BUILD_TIME="2021-07-14 19:54";
\ No newline at end of file
+const char* GIT_BRANCH="rolling";
+const char* BUILD_TIME="2021-07-23 20:43";
\ No newline at end of file
diff --git a/code/main/version.h b/code/main/version.h
index ed812495..04ef1f0f 100644
--- a/code/main/version.h
+++ b/code/main/version.h
@@ -13,7 +13,7 @@ extern "C"
 #include "Helper.h"
 #include <fstream>
 
-const char* GIT_BASE_BRANCH = "master - v8.0.0 - 2021-07-14";
+const char* GIT_BASE_BRANCH = "master - v8.0.2 - 2021-07-23";
 
 
 const char* git_base_branch(void)
diff --git a/code/version.cpp b/code/version.cpp
index 934e3147..fe5184b4 100644
--- a/code/version.cpp
+++ b/code/version.cpp
@@ -1,4 +1,4 @@
-const char* GIT_REV="03b5e36";
+const char* GIT_REV="a6d39af";
 const char* GIT_TAG="";
-const char* GIT_BRANCH="master";
-const char* BUILD_TIME="2021-07-14 19:53";
\ No newline at end of file
+const char* GIT_BRANCH="rolling";
+const char* BUILD_TIME="2021-07-23 20:43";
\ No newline at end of file
diff --git a/firmware/bootloader.bin b/firmware/bootloader.bin
index f73c470c..ece04d94 100644
Binary files a/firmware/bootloader.bin and b/firmware/bootloader.bin differ
diff --git a/firmware/firmware.bin b/firmware/firmware.bin
index 93aab4f0..11337a62 100644
Binary files a/firmware/firmware.bin and b/firmware/firmware.bin differ