diff --git a/IOT/lib/OledScreen/include/OledScreen.h b/IOT/lib/OledScreen/include/OledScreen.h
new file mode 100644
index 0000000..7870b00
--- /dev/null
+++ b/IOT/lib/OledScreen/include/OledScreen.h
@@ -0,0 +1,53 @@
+#ifndef OLED_SCREEN_H
+#define OLED_SCREEN_H
+
+#include <Adafruit_SSD1306.h>
+
+
+class OledScreen {
+public:
+
+    /**
+     * @brief Construct a new Oled Screen object
+     *
+     * @param screenWidth The width of the screen
+     * @param screenHeight The height of the screen
+     * @param oledResetPin The pin used to reset the screen (default: -1)
+     */
+    OledScreen(int screenWidth, int screenHeight, int oledResetPin = -1);
+
+    /**
+     * @brief display welcome screen
+     */
+    void welcome();
+
+    /**
+     * @brief print the total amount on the screen
+     *
+     * @param amount The total amount to print in centimes
+     */
+    void printAmount(int amount);
+
+
+    /**
+     * @brief Clear the screen
+     */
+    void clear();
+
+    /**
+     * @brief messsage for wifi waiting
+     *
+     */
+    void wifiWaiting();
+
+
+    void printVal(String distance, String poid, String humitemp);
+
+private:
+
+    Adafruit_SSD1306* display;
+
+};
+
+
+#endif
\ No newline at end of file
diff --git a/IOT/lib/OledScreen/src/OledScreeen.cpp b/IOT/lib/OledScreen/src/OledScreeen.cpp
new file mode 100644
index 0000000..c88b6b2
--- /dev/null
+++ b/IOT/lib/OledScreen/src/OledScreeen.cpp
@@ -0,0 +1,76 @@
+#include "../include/OledScreen.h"
+
+OledScreen::OledScreen(int screenWidth, int screenHeight, int oledResetPin) {
+    this->display = new Adafruit_SSD1306(screenWidth, screenHeight, &Wire, oledResetPin);
+    if (!display->begin(SSD1306_SWITCHCAPVCC, 0x3C)) {
+        Serial.println(F("SSD1306 allocation failed"));
+        for (;;); // Don't proceed, loop forever
+    }
+    this->display->clearDisplay();
+}
+
+void OledScreen::welcome() {
+    this->display->clearDisplay();
+    this->display->setCursor(0, 0);
+    this->display->setTextSize(2);
+    this->display->setTextColor(WHITE);
+    this->display->println(F("\nBienvenue!"));
+    this->display->display();
+}
+
+void OledScreen::printVal(String distance, String poid, String humitemp){
+    this->display->clearDisplay();
+    this->display->setCursor(0, 0);
+    this->display->setTextSize(2);
+    this->display->setTextColor(WHITE);
+    this->display->print(F("Dist:"));
+    this->display->print(distance);
+    this->display->println();
+    this->display->print(F("Poids:"));
+    this->display->print(poid);
+    this->display->println();
+    this->display->print(F("humi:"));
+    this->display->print(humitemp.substring(0,humitemp.indexOf("/")));
+    this->display->println();
+    this->display->print(F("temp:"));
+    this->display->print(humitemp.substring(humitemp.indexOf("/")+1,humitemp.length()));
+    this->display->println();
+    this->display->display();
+}
+
+
+
+void OledScreen::printAmount(int amount) {
+    this->display->clearDisplay();
+    this->display->setCursor(0, 0);
+    this->display->setTextSize(2);
+    this->display->setTextColor(WHITE);
+    this->display->println(F("  Total:  "));
+    this->display->println();
+
+    this->display->print(amount / 100);
+    this->display->print(F(","));
+    int centimes = amount % 100;
+    if (centimes < 10) {
+        this->display->print(F("0"));
+    }
+    this->display->println(centimes);
+    this->display->print(F("       EUR"));
+    this->display->display();
+}
+
+
+void OledScreen::wifiWaiting() {
+    this->clear();
+    this->display->setCursor(0, 0);
+    this->display->setTextSize(2);
+    this->display->setTextColor(WHITE);
+    this->display->println(F("Connection\n"));
+    this->display->println(F("  WiFi...\n"));
+    this->display->println();
+    this->display->display();
+}
+
+void OledScreen::clear() {
+    this->display->clearDisplay();
+}
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