diff --git a/pyButtons.py b/pyButtons.py
index 0007aa9..69b6cbe 100644
--- a/pyButtons.py
+++ b/pyButtons.py
@@ -1,36 +1,53 @@
 from gpiozero import Button
 from paho.mqtt import client as mqtt
-from signal import pause
+import time
 import sys
 
 #numero pin GPIO secondo lo schema BCM
-SU  =1
-GIU =2
-SX  =3
-DX  =4
-OK  =5
-CAN =6
+SU  = "GPIO5"
+GIU = "GPIO6"
+SX  = "GPIO13"
+DX  = "GPIO19"
+OK  = "GPIO12"
+CAN = "GPIO16"
+
+# code mqtt
+MQTT_SEND = "buttons/send"
+MQTT_RECEIVE = "buttons/receive"
 
 #variabili globali
 isRunning = True
+client = None
+
+def on_message(client, userdata, msg):
+    print(f"{msg.topic} -> {str(msg.payload)}")
+    if "STOP" in str(msg.payload):
+        isRunning = False
+    pass
 
 def send_SU():
+    client.publish(MQTT_SEND,payload="SU",qos=1)
     pass
 
 def send_GIU():
+    client.publish(MQTT_SEND,payload="GIU",qos=1)
     pass
 
 def send_SX():
+    client.publish(MQTT_SEND,payload="SX",qos=1)
     pass
 
 def send_DX():
+    client.publish(MQTT_SEND,payload="DX",qos=1)
     pass
 
 def send_OK():
+    client.publish(MQTT_SEND,payload="OK",qos=1)
     pass
 
 def send_CAN():
-   pass
+    client.publish(MQTT_SEND,payload="CAN",qos=1)
+    pass
 
 
 def main():
@@ -43,15 +60,27 @@ def main():
 
     while isRunning:
         try:
-            client = mqtt.Client()
-            client.connect('localhost',1883)
-            
+            if client is None:
+                client = mqtt.Client()
+                client.connect('localhost',1883)
+                client.subscribe(MQTT_RECEIVE)
+                client.on_message = on_message
+            btn_su.when_pressed = send_SU
+            btn_giu.when_pressed = send_GIU
+            btn_sx.when_pressed = send_SX
+            btn_dx.when_pressed = send_DX
+            btn_ok.when_pressed = send_OK
+            btn_can.when_pressed = send_CAN
+            while isRunning:
+                client.loop(timeout=1)
+                time.sleep(1)
         except Exception as e:
             print(f"Exception: {e}")
+            client.disconnect()
+            client=None
             pass
         pass
-
-
+    
 if __name__=="__main__":
     sys.exit(main())