diff --git a/src/nenuscanner/leds.py b/src/nenuscanner/leds.py
index 81952b2..aa2c15c 100644
--- a/src/nenuscanner/leds.py
+++ b/src/nenuscanner/leds.py
@@ -35,10 +35,10 @@ class GpioLed:
         self.led = None
 
     def on(self):
-        self.led.set_value(1)
+        self.led.set_value(0)
 
     def off(self):
-        self.led.set_value(0)
+        self.led.set_value(1)
 
     def __str__(self):
         return f'LED{self.gpio_pin:02}'
@@ -141,4 +141,4 @@ _leds = GpioLeds(config.GPIO_CHIP, config.LEDS_UUIDS) if config.GPIO_CHIP is not
 
 
 def get() -> Leds:
-    return _leds
\ No newline at end of file
+    return _leds
diff --git a/src/nenuscanner/routes/leds.py b/src/nenuscanner/routes/leds.py
index 436b9c5..6226114 100644
--- a/src/nenuscanner/routes/leds.py
+++ b/src/nenuscanner/routes/leds.py
@@ -18,40 +18,26 @@ def _get_gpio_leds():
         app.extensions[ext_key] = leds.get().enter()
     return app.extensions[ext_key]
 
-@blueprint.record_once
-def _register_cleanup(state):
-    """
-    Register a teardown handler on the app that will try to exit the leds controller
-    when the app context is torn down.
-    """
-    app = state.app
-    ext_key = 'nenuscanner_gpio_leds'
-    @app.teardown_appcontext
-    def _cleanup(exception=None):
-        gpio = app.extensions.get(ext_key)
-        if gpio:
-            try:
-                gpio.exit()
-            except Exception:
-                # best effort cleanup, don't raise during teardown
-                pass
+# WARNING : how to release
 
+#@blueprint.record_once
+#def _register_cleanup(state):
+#    """
+#Register a teardown handler on the app that will try to exit the leds controller
+#    when the app context is torn down.
+#    """
+#    app = state.app
+#    ext_key = 'nenuscanner_gpio_leds'
+#    @app.teardown_appcontext
+#    def _cleanup(exception=None):
+#        gpio = app.extensions.get(ext_key)
+#        if gpio:
+#            try:
+#                gpio.exit()
+#            except Exception:
+#                # best effort cleanup, don't raise during teardown
+#                pass
 
-# Routes for object management
-
-
-# Nom du chip GPIO (sur Raspberry Pi 5, généralement "gpiochip4")
-CHIP = "gpiochip4"
-LINE = 14  # Numéro BCM du GPIO (ici GPIO14)
-
-# Ouvrir le chip
-chip = gpiod.Chip(CHIP)
-
-# Demander l’accès à la ligne GPIO14 en sortie
-line = chip.get_line(LINE)
-line.request(consumer="Small Led 1", type =  gpiod.LINE_REQ_DIR_OUT)
-
-line.set_value(1)
 
 # Routes for object management
 
@@ -60,12 +46,7 @@ def get():
     """
     Returns the pages showing all leds.
     """
-    gpio_leds = _get_gpio_leds()
-
-    print(gpio_leds)
     
-    for i, led in enumerate(gpio_leds.leds):
-        print(f"LED {i}: {led}, is_on={led.is_on}")
     return render_template(
         'leds.html', leds= config.LEDS_UUIDS)
 
@@ -74,7 +55,7 @@ def get():
 def set_led():
     """
     Reçoit une commande pour allumer ou éteindre une LED.
-    Attend un JSON : { "led": "led1", "state": "on" } ou { "led": "led2", "state": "off" }
+    Attend un JSON : { "led": "14", "state": "on" } ou { "led": "15, "state": "off" }
     """
     data = request.get_json()
     led = data.get('led')
@@ -90,8 +71,11 @@ def set_led():
             gpio_led.on()
         else:
             gpio_led.off()
+
     except Exception as e:
-        return jsonify({'status': 'error', 'error': str(e)}), 400
+        raise
+        print(f'{e}')
+        return jsonify({'status': 'error', 'error': 'error'}), 400
     
 
     print(f"Commande reçue pour {led} : {state}")