The production of greenhouse crops is one of the most modern techniques currently used in agricultural production. Crop rotation is an agricultural practice to increase the productivity of the land and optimize the use of resources by alternating different types of crops in the same soil. The project called "Expert System for the rotation of crops in a greenhouse" was developed with the aim of making the decision of the type of suitable crop to be planted in the "San Sebastian" greenhouse. Since the risk of production loss is considerably reduced , so that it helps the producer to know which is the suitable crop to sow according to the experience of an agricultural expert; using physical sensors, the registration of ambient and humidity temperatures is obtained in real time; the software was developed by the prototype model.
Today, there is an innumerable amount of electronic devices and computer systems that are oriented as platforms for the management of information through the network; manipulating data and at the same time, performing tasks using low voltage electronic signals. They can activate, deactivate or control a device or a system using sensors. In this context, the Raspberry Pi platform has an interface composed of a set of pins (GPIO) through which voltage signals can be accessed, and can interact with other electrical and electronic systems for data acquisition and control. This article aims to facilitate access to the Raspberry Pi platform from its installation, configuration, to its programming of the ports through examples and instructions, considering the platform as a computer system. The interest of the authors is to provide the reader with the tools, so that the programming of specific applications is the new challenge.
Currently, mobile applications have increased their use in all areas of daily life. Among other things, the above is due to the ease in the exchange of information. The Institute Technologic de Oaxaca proposes a mobile application that complements the Virtual Environment Platform for Professor Training. This application allows the connection with the platform, enter the course where the user is registered; and in this way, the user receives notifications of important dates such as dates of delivery of tasks and activities. The above is possible, since the application links directly to the Google calendar. With these functions, as an extension of the virtual platform, it facilitates the course participant to develop the activities in a timely manner. The application is developed based on incremental model.
The objective of this article is to present the development of a smart alarm prototype that will help prevent bicycle theft in Oaxaca City, which is based on a programmable system. The project arises as a need for protection and safety of the bicycle as a means of transportation; since the thefts of bicycles parked on streets in Oaxaca City increase day by day. As, for example, Carrera (2018) notes that the responsible authority does not have a decisive participation in the abatement of bicycle thefts and that it is the citizens who seek them out by their own means and they not always get success. The research was carried out in two phases, in this document the first phase is presented, in which two functional prototypes of the smart alarm were designed and implemented. The applied development methodology is that of prototypes; since this facilitates the understanding of the needs of the users. With the present research, it is hoped to lay the foundations to continue with the improvement of the prototype and in this way, society will be offered an option to protect its heritage.
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