change mqtt host

camera1/rotate-servo.py

@@ -43,7 +43,7 @@ client = mqtt.Client()
 client.on_connect = on_connect
 client.on_message = on_message
 
-client.connect("iot.eclipse.org", 1883, 60)
+client.connect("192.168.2.123", 1883, 60)
 
 
 def update_servo(servo, offset):