Abstract
An embedded system is an applied computer system that is built to control a range of functions. A brief discussion of embedded systems is presented. Remote access technology is the ability to control aspects of a manufacturing process from any location. Sensors are devices which can measure a physical quantity and convert it into a signal. It is described an Arduino-based embedded system for monitoring environmental variables. One solution is the control of the different environmental variables through a website. The website displays monitoring data to the user on a 24-hour line chart. Another solution is the remote access to be based on the GSM (Global System for Mobile Communication) network. Theory explains the use of Arduino microcontroller, the use of sensors and how they are used in embedded systems.
Highlights
Today embedded systems are replacing various systems that used to be designed with a set of complex electronic circuits
For example the system may assumes the use of GSM / GPRS module as the transfer unit for exchanging information between the selected temperature and humidity sensor and the device to which the SMS message will send with the data sensor
Besides the advantage of access, in almost real time, to data that is located on remote systems or environments, the solutions that can be developed over the proposed framework can reduce maintenance costs, traveling costs, working time and, contribute to safer system and healthy environments
Summary
Today embedded systems are replacing various systems that used to be designed with a set of complex electronic circuits. Arduino is an open source based prototyping platform used to sense and control physical devices. It is described an Arduino-based embedded system for monitoring environmental variables. Most of the embedded systems are reactive systems, which mean that the information received by the system is constantly processed and the system acts based on the information. The example of a reactive embedded system is the car-braking system. Important factors for the quality and productivity of plant growth are temperature, humidity, light and the level of the carbon dioxide Monitoring of these environmental variables gives better understanding on how efficiently plants are growing and how to achieve maximal plant growth. The optimal greenhouse climate adjustment can improve productivity and to achieve remarkable energy savings
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