diff --git a/IOT/include/Program.h b/IOT/include/Program.h
index 53a6189..03e3115 100644
--- a/IOT/include/Program.h
+++ b/IOT/include/Program.h
@@ -1,6 +1,9 @@
 #ifndef PROGRAM_H
 #define PROGRAM_H
 
+#include <Arduino.h>
+#include <Ultrasonic.h>
+
 class Program{
 public:
     /**
@@ -17,5 +20,11 @@ public:
 
 private:
     /* data */
+
+    /**
+     * @brief capteur ultra son pour le niveau de remplissage de la poubelle
+     * 
+     */
+    Ultrasonic *ultrasonic;
 };
 #endif
\ No newline at end of file
diff --git a/IOT/src/Program.cpp b/IOT/src/Program.cpp
index 952be1b..1f87003 100644
--- a/IOT/src/Program.cpp
+++ b/IOT/src/Program.cpp
@@ -1,10 +1,18 @@
 #include "Program.h"
 
 
+int distance;
+
+
 Program::Program(){
-    
+    Serial.begin(MONITOR_SPEED);
+    this->ultrasonic = new Ultrasonic(ULTRA_SOUND_TRIGD, ULTRA_SOUND_ECHO);
 }
 
 void Program::loop(){
-
+    distance = this->ultrasonic->read();
+    
+    Serial.print("Distance in CM: ");
+    Serial.println(distance);
+    delay(1000);
 }
\ No newline at end of file