diff --git a/src/main.cpp b/src/main.cpp
index 304076d..7c2d9d4 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -52,6 +52,9 @@ SPIClass mySpi = SPIClass(VSPI);
 #include<mess_htu21.h>
 #include <mcp9808.h>
 #include <mess_BMP280.h>
+#include <Preferences.h>
+
+Preferences preferences; 
 
 // TEST
 #include "FS.h"
@@ -63,6 +66,7 @@ void showTime(tm localTime);
 void zeigeZeit(tm localTime, int x, int y);
 void drawMenue(int32_t xs, int32_t sy);
 void Menue();
+void zeige_IP(int x, int y);
 
 void listDir(fs::FS &fs, const char * dirname, uint8_t levels) {
   Serial.printf("Listing directory: %s\n", dirname);
@@ -224,6 +228,7 @@ void testFileIO(fs::FS &fs, const char * path) {
 // ENDE TEST
 int WiFiError = 36; 
 int Versuche;
+int interval;
 
 void setup() {
   
@@ -282,6 +287,7 @@ void setup() {
   Serial.println("WiFi connected.");
   Serial.print("IP address: \t");
   Serial.println(WiFi.localIP());
+  zeige_IP(0, 0);
   // SD Karte ----------------------------------------
   if (!SD.begin(SS, mySpi, 80000000)) {
     Serial.println("Card Mount Failed");
@@ -315,10 +321,7 @@ void setup() {
   testFileIO(SD, "/hello.txt");
   deleteFile(SD, "/hello.txt"); */
   // ---------------------------------End SD Karte -------------------
-  tft.setTextColor(TFT_YELLOW, TFT_BLACK);
-  tft.setTextSize(2);
-  tft.println(WiFi.localIP());
-  tft.setTextSize(1);
+ zeige_IP(0, 0);
 // Initialize a NTPClient to get time
   configTime(0, 0, NTP_SERVER);
   // See https://github.com/nayarsystems/posix_tz_db/blob/master/zones.csv for Timezone codes for your region
@@ -338,6 +341,8 @@ void setup() {
     ESP.restart();
   }
   lastNTPtime = time(&now);
+  preferences.begin("Interval", false);  
+  interval = preferences.getUInt("Interval", SAVE_INTERVAL);;
 
 
 //--------------------------------------------------------
@@ -406,15 +411,10 @@ void loop() {
   
   TouchPoint touch = touchscreen.getTouch();
   if (touch.zRaw != 0){
-    
-    //printTouchToSerial(p);
-    /* ts_x = map(touch.x, 200, 3700, 1, SCREEN_WIDTH);
-    ts_y = map(touch.y, 240, 3800, 1, SCREEN_HEIGHT);
-    ts_z = touch.zRaw ; */
     printTouchToSerial2(touch.x, touch.y, touch.xRaw);
     
     if((touch.x >= 275) && (touch.y >= 210)){
-      Serial.printf(" Gefunden bei: %i : %i : %i \t", touch.y, touch.x, touch.zRaw);
+      Serial.printf(" Gefunden bei: %i : %i : %i \n", touch.y, touch.x, touch.zRaw);
       Menue();
     } 
     
@@ -422,6 +422,7 @@ void loop() {
   getNTPtime(10);
   tft.setTextColor(TFT_WHITE, TFT_BLACK);
   zeigeZeit(timeinfo, 215, 0);
+  zeige_IP(0, 0);
   Minuten = timeinfo.tm_min;
   if (Minuten != MintenOld){
     MintenOld = Minuten;
@@ -431,7 +432,10 @@ void loop() {
     getTemperature_MCP9808();
     read_BMP_280();
     drawMenue(300,225);
-    if (Minuten % SAVE_INTERVAL == 0){
+    /* if (interval == 60){
+      interval = 0;
+    } */
+    if ((Minuten % interval == 0) || (Minuten == 0)){
       sprintf(ausgabe, "%s;%f;%f\n", szZeit, htuData.t, htuData.h);
       appendFile(SD, "/daten.csv", ausgabe);
       Serial.print("SAVE ----> "); Serial.println(ausgabe);
@@ -474,6 +478,7 @@ void zeigeZeit(tm localTime, int x = 0, int y = 0){
   localTime.tm_hour,
   localTime.tm_min,
   localTime.tm_sec);
+  tft.setTextColor(TFT_WHITE, TFT_BLACK);
   tft.setCursor(x, y);
   tft.setTextSize(2);
   tft.println(szZeit);
@@ -484,25 +489,40 @@ void drawMenue(int32_t xs, int32_t sy){
   tft.drawLine(xs,sy+5,xs+15,sy+5, TFT_YELLOW);
   tft.drawLine(xs,sy+10,xs+15,sy+10, TFT_YELLOW);
 }
+void Auswahl(int Wert){
+  tft.setTextColor(TFT_YELLOW, TFT_BLACK);
+  tft.setCursor(1,220);
+  tft.setTextSize(2);
+  if (Wert < 10){
+     tft.printf("Auswahl: %1i Minute.  ", Wert);
+  } else {
+      tft.printf("Auswahl: %2i Minuten.", Wert);
+  }
+}
 
 void Menue(){
+  boolean zurueck = true;
   tft.fillScreen(TFT_BLACK);
-  while(1){
+  drawMenue(300,225);
+  delay(200);
+  do{
     TouchPoint touch = touchscreen.getTouch();
     tft.setTextColor(TFT_YELLOW, TFT_BLACK);
-    tft.drawCentreString("Einstellungen: ", 160, 20, 4);
+    tft.drawCentreString("Einstellungen: ", 160, 20, 2);
     getNTPtime(10);
     tft.setTextColor(TFT_WHITE, TFT_BLACK);
+    zeige_IP(0,0);
     zeigeZeit(timeinfo, 215, 0);
+    tft.setTextColor(TFT_YELLOW, TFT_BLACK);
     tft.setCursor(1,50);
     tft.setTextSize(2);
-    tft.println("Interval der Daten-\nsicherung (in Minuten).");
+    tft.setTextColor(TFT_WHITE, TFT_BLACK);
+    tft.println("Interval der Messwert-\nspeicherung in Minuten.");
     if (touch.zRaw != 0){
-      
-      printTouchToSerial2(touch.x, touch.y, touch.xRaw);
+      //printTouchToSerial2(touch.x, touch.y, touch.xRaw);
       
       if(((touch.x >= 15) && (touch.x <= 55)) && ((touch.y >= 95) && (touch.y <= 125))){
-        Serial.printf(" Gefunden bei 1: %i : %i : %i \t", touch.y, touch.x, touch.zRaw);
+        Serial.printf(" Gefunden bei 1: %i : %i : %i \n", touch.y, touch.x, touch.zRaw);
         tft.drawRoundRect(11,91,38,38,5,TFT_GOLD);
         tft.drawRoundRect(12,92,36,36,5,TFT_GOLD);
         tft.drawRoundRect(13,93,34,34,5,TFT_GOLD);
@@ -510,10 +530,11 @@ void Menue(){
         tft.drawRoundRect(11,91,38,38,5,TFT_BLACK);
         tft.drawRoundRect(12,92,36,36,5,TFT_BLACK);
         tft.drawRoundRect(13,93,34,34,5,TFT_BLACK); 
+        interval = 1;
       } 
 
       if(((touch.x >= 65) && (touch.x <= 95)) && ((touch.y >= 95) && (touch.y <= 125))){
-        Serial.printf(" Gefunden bei 2: %i : %i : %i \t", touch.y, touch.x, touch.zRaw);
+        Serial.printf(" Gefunden bei 2: %i : %i : %i \n", touch.y, touch.x, touch.zRaw);
         tft.drawRoundRect(61,91,38,38,5,TFT_GOLD);
         tft.drawRoundRect(62,92,36,36,5,TFT_GOLD);
         tft.drawRoundRect(63,93,34,34,5,TFT_GOLD);
@@ -521,9 +542,10 @@ void Menue(){
         tft.drawRoundRect(61,91,38,38,5,TFT_BLACK);
         tft.drawRoundRect(62,92,36,36,5,TFT_BLACK);
         tft.drawRoundRect(63,93,34,34,5,TFT_BLACK); 
+        interval = 5;
       } 
       if(((touch.x >= 110) && (touch.x <= 140)) && ((touch.y >= 95) && (touch.y <= 125))){
-        Serial.printf(" Gefunden bei 3: %i : %i : %i \t", touch.y, touch.x, touch.zRaw);
+        Serial.printf(" Gefunden bei 3: %i : %i : %i \n", touch.y, touch.x, touch.zRaw);
         tft.drawRoundRect(111,91,38,38,5,TFT_GOLD);
         tft.drawRoundRect(112,92,36,36,5,TFT_GOLD);
         tft.drawRoundRect(113,93,34,34,5,TFT_GOLD);
@@ -531,9 +553,10 @@ void Menue(){
         tft.drawRoundRect(111,91,38,38,5,TFT_BLACK);
         tft.drawRoundRect(112,92,36,36,5,TFT_BLACK);
         tft.drawRoundRect(113,93,34,34,5,TFT_BLACK); 
+        interval = 10;
       } 
       if(((touch.x >= 150) && (touch.x <= 195)) && ((touch.y >= 95) && (touch.y <= 125))){
-        Serial.printf(" Gefunden bei 4: %i : %i : %i \t", touch.y, touch.x, touch.zRaw);
+        Serial.printf(" Gefunden bei 4: %i : %i : %i \n", touch.y, touch.x, touch.zRaw);
         tft.drawRoundRect(161,91,38,38,5,TFT_GOLD);
         tft.drawRoundRect(162,92,36,36,5,TFT_GOLD);
         tft.drawRoundRect(163,93,34,34,5,TFT_GOLD);
@@ -541,9 +564,10 @@ void Menue(){
         tft.drawRoundRect(161,91,38,38,5,TFT_BLACK);
         tft.drawRoundRect(162,92,36,36,5,TFT_BLACK);
         tft.drawRoundRect(163,93,34,34,5,TFT_BLACK); 
+        interval = 30;
       } 
       if(((touch.x >= 200) && (touch.x <= 230)) && ((touch.y >= 95) && (touch.y <= 125))){
-        Serial.printf(" Gefunden bei 5: %i : %i : %i \t", touch.y, touch.x, touch.zRaw);
+        Serial.printf(" Gefunden bei 5: %i : %i : %i \n", touch.y, touch.x, touch.zRaw);
         tft.drawRoundRect(211,91,38,38,5,TFT_GOLD);
         tft.drawRoundRect(212,92,36,36,5,TFT_GOLD);
         tft.drawRoundRect(213,93,34,34,5,TFT_GOLD);
@@ -551,6 +575,11 @@ void Menue(){
         tft.drawRoundRect(211,91,38,38,5,TFT_BLACK);
         tft.drawRoundRect(212,92,36,36,5,TFT_BLACK);
         tft.drawRoundRect(213,93,34,34,5,TFT_BLACK); 
+        interval = 60;
+      } 
+      if((touch.x >= 275) && (touch.y >= 210)){
+        Serial.printf(" Gefunden bei: %i : %i : %i \n", touch.y, touch.x, touch.zRaw);
+        zurueck = false;
       } 
     }
     tft.drawRoundRect(10,90,40,40,5,TFT_GREEN);
@@ -565,7 +594,18 @@ void Menue(){
     tft.drawNumber(30, 170, 105);
     tft.drawNumber(60, 220, 105);
     tft.setTextSize(1);
-    delay(200);
+    Auswahl(interval);
 
-  }
-}
\ No newline at end of file
+  } while(zurueck == true);
+  tft.fillScreen(TFT_BLACK);
+  preferences.putUInt("Interval", interval); 
+  delay(100);
+}
+
+ void zeige_IP(int x = 1, int y = 0){
+    tft.setCursor(x, y);
+    tft.setTextColor(TFT_YELLOW, TFT_BLACK);
+    tft.setTextSize(2);
+    tft.println(WiFi.localIP());
+    tft.setTextSize(1);
+  }
\ No newline at end of file