Abstract
An operating device has been designed for long term aggregating, storing and visualizing climate records with a view to their further publication in a cloud service. In order to address the given problem a number of technical issues related to the device concept development and its operating algorithms were solved. The device runs using the MQTT protocol and a microcontroller unit based on ESP8266 chip which is designated for the application in Internet of Things (IoT) devices. The designed system is based on open-source software and allows providing access to the received data to all authorized users. The system is expanded easily since the number of attached sensors and peripheral units can change and the program can be transformed so as to solve emerging tasks. The ability to connect the Internet from any access point provides the mobility for the device and permits to make measurements within the range of a Wi-Fi network. In some instances, it is convenient to use smart phones or tablets that have access to the Internet via cellular networks for research and scientific experiments. In this case, mobile devices can act as monitors to control the system operation. This device can be useful for carrying out research work when data collection over a long period of time and long-term storage of information with the possibility of its further processing are essential. The examples are automatic monitoring of the equipment, medical supervision of patients’ health or gathering and processing of various climate parameters. Undergraduate students can also make use of the developed device when studying IoT technology.
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