diff --git a/code/lib/umqtt/robust.mpy b/code/lib/umqtt/robust.mpy
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diff --git a/code/lib/umqtt/simple.mpy b/code/lib/umqtt/simple.mpy
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diff --git a/code/main.py b/code/main.py
index 12226f1..6e92692 100644
--- a/code/main.py
+++ b/code/main.py
@@ -23,17 +23,14 @@ __version__ = 0.3
 import time
 import sys
 import machine
+import esp
 import neopixel
 from encoder import Encoder
-
+import ntptime
+from umqtt.robust import MQTTClient
 import light_modes
+import config
 
-# Paramètres
-
-NB_PIX = 67                  # Nombre de pixels de la 1e bande de LED
-NB_PIX2 = 67                 # Nombre de pixels de la 2e bande de LED
-MAX_BRIGHT = 100             # Luminosité max (100 max.)
-USR_COLOR = [255, 130, 20]   # Couleur de base (à luminosité max)
 
 # Déclaration des objets et initialisation des variables
 
@@ -48,8 +45,8 @@ ENC_PIN_C = 13      # broche du clic central de l'encodeur
 WIFI_LED_PIN = 0
 
 # With ESP8266 (no timing parameter)
-NPXL_STRIP = neopixel.NeoPixel(machine.Pin(NEOPIX_PIN), NB_PIX)
-NPXL_STRIP2 = neopixel.NeoPixel(machine.Pin(NEOPIX2_PIN), NB_PIX)
+NPXL_STRIP = neopixel.NeoPixel(machine.Pin(NEOPIX_PIN), config.NB_PIX)
+# NPXL_STRIP2 = neopixel.NeoPixel(machine.Pin(NEOPIX2_PIN), config.NB_PIX2)
 
 # Eteint tout à l'initialisation
 NPXL_STRIP.fill([0, 0, 0])
@@ -57,7 +54,7 @@ NPXL_STRIP.write()
 
 # Encodeur rotatif
 ENCODER = Encoder(ENC_PIN_A, ENC_PIN_B,
-                  min_val=0, max_val=MAX_BRIGHT,
+                  min_val=0, max_val=config.MAX_BRIGHT,
                   clicks=1)
 
 # Bouton
@@ -66,18 +63,64 @@ ENC_BUT = machine.Pin(ENC_PIN_C, machine.Pin.IN)
 # LED status WIFI_LED_PIN
 WIFI_LED = machine.Pin(WIFI_LED_PIN, machine.Pin.OUT)
 
+# RTC setup
+rtc = machine.RTC()
+
 # initialisation des variables d'état
 BRIGHTN = 50            # Luminosité (0 - 100)
 PWR = True              # Est-ce que l'éclairage est allumé ?
 BUTTN_STATE = 1
 CURRENT_MODE = 0
 PWROFF_DELAY = 0
+MQTT_DELAY = 2          # Délais en sec. avant d'envoyer les données au MQTT
+
+# Connection au broker MQTT
+CLIENT = MQTTClient(client_id=config.CLIENT_ID,
+                    server=config.MQTT_HOST,
+                    user=config.MQTT_USERNAME,
+                    password=config.MQTT_PASSWD,
+                    port=config.MQTT_PORT)
+CLIENT.DEBUG = True
+CLIENT.connect()
 
 #############
 # FUNCTIONS #
 #############
 
 
+def set_rtc():
+    while True:
+        try:
+            return ntptime.settime()
+        except OSError as e:
+            if e.errno == 110:
+                time.sleep(2)
+
+
+def now(clock):
+    """Return a string representing date/time now."""
+    return "{0:04d}/{1:02d}/{2:02d}_{4:02d}:{5:02d}:{6:02d}".format(*clock.datetime())
+
+
+def MqttPublish(topic, message, retain=False, qos=0, sleep=0):
+    """MQTT publish helper."""
+    global CLIENT
+
+    CLIENT.publish("{location}/{device}/{topic}".format(location=config.LOCATION,
+                                                        device=CLIENT.client_id,
+                                                        topic=topic),
+                   message,
+                   retain=retain,
+                   qos=qos)
+    time.sleep_ms(sleep)
+
+
+def MqttMultiPublish(payload, sleep=0):
+    """Send multiple data"""
+    for pl in payload:
+        MqttPublish(pl[0], pl[1], retain=pl[2], qos=pl[3], sleep=sleep)
+
+
 def power_cycle():
     """ON/OFF function"""
     global PWR
@@ -102,6 +145,10 @@ def power_cycle():
     while ENC_BUT.value() == 0:
         time.sleep_ms(10)
 
+    # Envoi de la nouvelle info au MQTT
+    MqttMultiPublish([['power/date', now(rtc), True, 1],
+                      ['power/value', "{}".format(PWR), True, 0]])
+
 
 def update_button_c(button, button_state, pwr, mode):
     """Surveille le bouton C (clic central)"""
@@ -130,6 +177,9 @@ def update_button_c(button, button_state, pwr, mode):
             if mode >= len(light_modes.MODES_LST):
                 mode = 0
 
+            MqttMultiPublish([['mode/date', now(rtc), True, 1],
+                              ['mode/value', "{}".format(mode), True, 1]])
+
     return mode
 
 
@@ -144,6 +194,26 @@ def update_wifi_led():
 # BOUCLE PRINCIPALE #
 #####################
 
+set_rtc()
+
+# Envoi de l'état de départ au broker
+data = [["last_boot", now(rtc), True, 1],
+        ["location", config.LOCATION, True, 1],
+        ["sys/wifi_ssid", WLAN.config('essid'), True, 0],
+        ["sys/ip", WLAN.ifconfig()[0], True, 1],
+        ["sys/esp8266_device_id", "{:d}".format(esp.flash_id()), True, 1],
+        ['mode/date', now(rtc), True, 1],
+        ["mode/value", "{}".format(CURRENT_MODE), True, 1],
+        ['brightness/date', now(rtc), True, 1],
+        ["brightness/value", "{}".format(BRIGHTN), True, 1],
+        ['power/date', now(rtc), True, 1],
+        ["power/value", "{}".format(PWR), True, 1],
+        ]
+MqttMultiPublish(data)
+
+time.sleep(1)
+
+
 while True:
 
     # Si on a un changement de valeur, on met à jour la luminosité
@@ -151,11 +221,14 @@ while True:
         if BRIGHTN != ENCODER.value:
             print(ENCODER.value)
             BRIGHTN = ENCODER.value
+            MqttMultiPublish([['brightness/date', now(rtc), True, 1],
+                              ['brightness/value', "{}".format(BRIGHTN), True, 0]])
 
         # Mise à jour des LED
         light_modes.update_neopixel(CURRENT_MODE,
                                     NPXL_STRIP,
-                                    USR_COLOR, BRIGHTN)
+                                    config.USR_COLOR,
+                                    BRIGHTN)
 
     # Si on laisse appuyer 2 secondes: extinction
     CURRENT_MODE = update_button_c(ENC_BUT,