Abstract
<p><span style="font-family: Times New Roman; font-size: medium;">In recent years, the proliferation of the Internet of Things (IoT) has kick started the home and office automation in a very rapid manner. The paper demonstrates a cost effective implementation of an IoT system for managing the visitors in an office environment. The automation system comprises low cost NodeMCU based Wireless Transmitter, NodeMCU based Wireless Display Unit and an android mobile phone. The mobile phone also serves as wireless Access Point to which the Wireless Transmitter and the Wireless Display Units are wirelessly connected for exchanging the messages using UDP protocol. The Wireless Transmitter and the Wireless Display Units are kept in the visitor’s waiting area. The consulting person possesses an android mobile phone in which the automation software is installed. The visitor enters a message using the Wireless Transmitter and notes down the acknowledgement token number sent by the automation software. When the consulting person checks this message, the same token number is sent to the Wireless Display Unit signaling the visitor to consult the person. </span></p>
Highlights
Whenever a visitor enters into the office area, the first person to greet him is the receptionist
The technological assistance provided to the receptionist should be cost effective so that the business head never makes up his mind to replace the receptionist totally with the automated systems
The cost effective technological solutions could be provided to the receptionist by exploiting these capabilities of the smart phones along with the low cost Internet of Things (IoT) solutions available in the market
Summary
Whenever a visitor enters into the office area, the first person to greet him is the receptionist. Owing to the advancement in the mobile internet technology, the number of smart phone users are increasing considerably day by day. The cost effective technological solutions could be provided to the receptionist by exploiting these capabilities of the smart phones along with the low cost IoT solutions available in the market. One such device which is extensively used in designing low cost applications is the nodeMCU [1]. This is an open source development board and firmware based on the ESP8266 -12E WiFi module [2] which can be programmed by LUA programming language or Arduino IDE. Owing to its low cost and powerful hardware it has been used by the IoT system developers over the last few years
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