IoT e-tool device using CoAP protocol for monitoring occupational health conditions.
IoT e-tool device using CoAP protocol for monitoring occupational health conditions.
DOI:
https://doi.org/10.56124/finibus.v7i14.014Keywords:
occupational health and safety, occupational risk, IoT, Node JS, CoAP, , e-toolAbstract
The strategic importance of IoT-based e-tools in terms of occupational health and safety lies in their contribution to identifying workplace hazards through the management of information from work environments and their environmental factors, in accordance with WHO guidelines and international regulations. The methodology for developing a prototype includes exploring communication protocols, designing a comprehensive architecture (hardware and software), implementation, and functionality testing. With the assistance of the agile XP (Extreme Programming) method, the front-end (user interface) of the application was developed using Flutter. CoAP was chosen for data transmission due to its efficiency in wireless networks and ability to handle asynchronous communications. Environmental measurements of temperature, lighting, air quality, altitude, pressure, and humidity were obtained using electronic sensors connected to the PCB of the ATmega32U4 microcontroller, with an expressif microcontroller used in the wireless connectivity interface as a Wi-Fi hotspot. Node JS was used to configure the system's back-end (programming interface) using two servers, the first for receiving data from the prototype via CoAP, and a resource server was developed to supply information to the application. After a period of operation in different areas, the collected data could be compared against recommended occupational health levels.
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