In this report it is developed a system of monitoring and control of variables in a property through a mobile device connected to the web. The system consists of a model that contains sensors for the variables that will be monitored and actuators which are controlled, it also contains a controller card in addition to capture and control variables is responsible for sending data to a platform Internet via wireless communication WiFi, later to be showed in a developed for devices with Android operating system mobile application. The work discribed the development of each of the components, mechanical, electronic and software development in Arduino (controller card) and software development for Android.