diff --git a/main.ino b/main.ino
index 59d0c11..794b5e9 100644
--- a/main.ino
+++ b/main.ino
@@ -1,4 +1,5 @@
 #include <Arduino.h>
+#include <Preferences.h>
 #include <FastAccelStepper.h>
 #include <WiFi.h>
 #include <time.h>
@@ -53,7 +54,7 @@ struct settings{
   int endMin = 0;
   bool timerEnabled = false;
   bool editMaxTemp = false;
-  int maxTemp = 70; //in °C 
+  int16_t maxTemp = 70; //in °C 
   bool editAcc = false;
   int32_t accelRate = 2000; 
 }
@@ -68,12 +69,67 @@ enum TimeEditStep {
 
 TimeEditStep timeEditStep = EDIT_NONE;
 
+// fest in den Speicher schreiben
+Preferences prefs;
+
+// Dein Einstellungs-Struct
+struct SystemSettings {
+  uint8_t startHour = 0;
+  uint8_t startMin  = 0;
+  uint8_t endHour   = 0;
+  uint8_t endMin    = 0;
+  bool timerEnabled = false;
+  int16_t maxTemp = 70;
+  int32_t accelRate = 2000;
+};
+
+SystemSettings settings;
+
+
+//#####################################
+//########### Hilfsfunktion ###########
+//#####################################
+
 // Überladung des Präfix-Operators (++timeEditStep)
 TimeEditStep& operator++(TimeEditStep& step) {
   step = (step == EDIT_END_MIN) ? EDIT_NONE : static_cast<TimeEditStep>(step + 1);
   return step;
 }
 
+// Werte aus dem Flash speicher laden 
+void loadSettings() {
+  // Namespace öffnen (Name max. 15 Zeichen, "true" = read-only)
+  prefs.begin("timer_cfg", true);
+
+  // Werte auslesen
+  settings.startHour    = prefs.getUChar("s_hour", 0);
+  settings.startMin     = prefs.getUChar("s_min", 0);
+  settings.endHour      = prefs.getUChar("e_hour", 0);
+  settings.endMin       = prefs.getUChar("e_min", 0);
+  settings.timerEnabled = prefs.getBool("t_on", false);
+  settings.maxTemp      = prefs.getShort("max_temp", 70);  
+  settings.accelRate    = prefs.getInt("accel_rate", 2000);
+
+  prefs.end();
+  Serial.println("[NVS] Einstellungen erfolgreich geladen.");
+}
+
+// Save Settings in Flash Speichern 
+void saveSettings() {
+  prefs.begin("timer_cfg", false); // "false" = Read/Write
+
+  prefs.putUChar("s_hour", settings.startHour);
+  prefs.putUChar("s_min", settings.startMin);
+  prefs.putUChar("e_hour", settings.endHour);
+  prefs.putUChar("e_min", settings.endMin);
+  prefs.putBool("t_on", settings.timerEnabled);
+  prefs.putShort("max_temp", settings.maxTemp);  
+  prefs.putInt("accel_rate", settings.accelRate);
+
+  prefs.end();
+  Serial.println("[NVS] Einstellungen im Flash gespeichert.");
+}
+
 void initWiFiAndTime() {
   WiFi.begin(ssid, password);
   
@@ -287,6 +343,8 @@ void setting(){
     }else if (settings.settingIdx == 4) {
       // Menü verlassen
       bSettings = false;
+      // Einstellungen Speichern
+      saveSettings();
     }
   }
 }
@@ -338,6 +396,9 @@ void printStatus(FastAccelStepper *stepper, int speed, int clickPlus, int clickM
 void loop() {
   int32_t speed = 0;
 
+  // Daten aus Flash speicher laden
+  loadSettings();
+
   if (!stepper) {
     Serial.println("[HALT] Kein Stepper-Objekt aktiv.");
     delay(1000);