diff --git a/src/main.cpp b/src/main.cpp
index cb3ae26..bbedf28 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -6,26 +6,42 @@
 #define SCL 13
 
 OLED myOLED(SDA, SCL);
-extern uint8_t SmallFont[];
+extern uint8_t BigNumbers[];
 
+#define SORTIE_ALIM 4
 #define LED_FLASH 4
 #define LED_BUILTIN 33
 #define MyLED LED_FLASH
 
+int count = 7;
+bool sortieAlim = false;
+
+
 void setup() {
-  pinMode(MyLED, OUTPUT);
+  pinMode(SORTIE_ALIM, OUTPUT);
+  digitalWrite(SORTIE_ALIM, LOW);
 
   myOLED.begin(SSD1306_128X32);
-  myOLED.setFont(SmallFont);
+  myOLED.setFont(BigNumbers);
   myOLED.clrScr();
   myOLED.print("Hello, world!", CENTER, 0);
   myOLED.update();
 }
 
+
 void loop() {
-  /*digitalWrite(MyLED, HIGH);
-  delay(10);
-  digitalWrite(MyLED, LOW);
-  delay(990); */
-  
+  digitalWrite(SORTIE_ALIM, HIGH);
+
+  for (int i = count; i > 0; i--)
+  {
+    char cstr[16];
+    itoa(i, cstr, 10);
+    
+    myOLED.clrScr();
+    myOLED.print(cstr, CENTER, 0);
+    myOLED.update();
+    delay(1000);
+  }
+  digitalWrite(SORTIE_ALIM, LOW); 
+  delay(1000);
 }
\ No newline at end of file