diff --git a/Hard/platformio.ini b/Hard/platformio.ini
index afece18..b62f6a6 100644
--- a/Hard/platformio.ini
+++ b/Hard/platformio.ini
@@ -12,3 +12,7 @@
 platform = espressif32
 board = arduino_nano_esp32
 framework = arduino
+monitor_speed = 115200
+
+; Équivalent de "Partition Scheme → Default with OTA"
+board_build.partitions = min_spiffs.csv
\ No newline at end of file
diff --git a/Hard/src/main.cpp b/Hard/src/main.cpp
index cb9fbba..2a28309 100644
--- a/Hard/src/main.cpp
+++ b/Hard/src/main.cpp
@@ -1,18 +1,10 @@
 #include <Arduino.h>
 
-// put function declarations here:
-int myFunction(int, int);
+#include "updater.h"
+#include "wifiManager.h"
 
 void setup() {
-  // put your setup code here, to run once:
-  int result = myFunction(2, 3);
 }
 
 void loop() {
-  // put your main code here, to run repeatedly:
-}
-
-// put function definitions here:
-int myFunction(int x, int y) {
-  return x + y;
 }
\ No newline at end of file
diff --git a/Hard/src/updater.cpp b/Hard/src/updater.cpp
new file mode 100644
index 0000000..09dc50b
--- /dev/null
+++ b/Hard/src/updater.cpp
@@ -0,0 +1,49 @@
+#include <HTTPUpdate.h>
+
+#include "updater.h"
+
+Updater::Updater() {
+}
+
+bool Updater::checkUpdate() {
+    HTTPClient http;
+
+    // 1. Vérifie si une nouvelle version est disponible
+    http.begin(VERSIONURL);  // ton-serveur.com/version.txt");
+    int httpCode = http.GET();
+
+    if (httpCode == 200) {
+        int nouvelleVersion = http.getString().toInt();
+        http.end();
+
+        if (nouvelleVersion > THISVERSION) {
+            Serial.println("Nouvelle version trouvée ! ");
+
+            return true;
+        }
+
+        return false;
+    }
+}
+
+void Updater::update() {
+    if (checkUpdate()) {
+        // 2. Télécharge et flashe le nouveau firmware
+        WiFiClient client;
+        httpUpdate.setLedPin(LED_BUILTIN, LOW);
+
+        t_httpUpdate_return ret = httpUpdate.update(client, FIRMWAREURL);
+
+        switch (ret) {
+            case HTTP_UPDATE_OK:
+                Serial.println("Succès ! Redémarrage...");
+                break;
+            case HTTP_UPDATE_FAILED:
+                Serial.printf("Échec : %s\n", httpUpdate.getLastErrorString().c_str());
+                break;
+            case HTTP_UPDATE_NO_UPDATES:
+                Serial.println("Pas de mise à jour.");
+                break;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Hard/src/updater.h b/Hard/src/updater.h
new file mode 100644
index 0000000..0432d54
--- /dev/null
+++ b/Hard/src/updater.h
@@ -0,0 +1,16 @@
+#ifndef UPDATER
+#define UPDATER
+
+const int THISVERSION = 1;
+const char* FIRMWAREURL = "http://89.168.57.22:6543/";
+const char* VERSIONURL = "http://89.168.57.22/6543/LastVersion.txt";
+
+class Updater {
+   public:
+    Updater();
+
+    bool checkUpdate();
+    void update();
+};
+
+#endif
\ No newline at end of file
diff --git a/Hard/src/wifiManager.cpp b/Hard/src/wifiManager.cpp
new file mode 100644
index 0000000..32cfcc4
--- /dev/null
+++ b/Hard/src/wifiManager.cpp
@@ -0,0 +1,12 @@
+#include <WiFi.h>
+#include <HTTPClient.h>
+
+#include "wifiManager.h"
+
+WifiManager::WifiManager() {
+    Serial.begin(115200);
+    WiFi.begin(SSID, PASSWORD);
+
+    while (WiFi.status() != WL_CONNECTED) delay(500);
+    Serial.println("WiFi connecté");
+}
\ No newline at end of file
diff --git a/Hard/src/wifiManager.h b/Hard/src/wifiManager.h
new file mode 100644
index 0000000..584beba
--- /dev/null
+++ b/Hard/src/wifiManager.h
@@ -0,0 +1,14 @@
+#ifndef WIFIMANAGER
+#define WIFIMANAGER
+
+const char* SSID = "ton_wifi";
+const char* PASSWORD = "ton_mdp";
+
+class WifiManager {
+   public:
+    WifiManager();
+
+    void start();
+};
+
+#endif
\ No newline at end of file