Smart City Based on MQTT Using Wireless Sensors
Monika Bharatbhai Patel, Chintan Bhatt, Hamed Vahdat‐Nejad, Hardik B. Patel · Advances in business information systems and analytics book series · 2018
The internet of things can involve a huge number of connected devices and sensors for the betterment of our lives and businesses. Sensors are the main part of IoT. The main target of this chapter is to develop an IoT-based information observing system for specific areas like home, cities, industries, hospitals, etc. In this system, the environmental data of different elements, for example, temperature, humidity, pressure, should screen and get a redesign with a particular time interval. The authors use Raspberry Pi 3 and MQTT to observe information over a remote area and get an update with it anyplace in the world. They transmit the environmental data to the cloud server sent by Raspberry Pi 3. There, the authors can monitor data in both modes (online and offline).