This article examines several use cases for IoT in industries. It can contribute to the efficient use of power, data exchange between devices and the network. When it comes to smart transportation, ensuring the safety of drivers and passengers in the IoT is paramount. Similarly, healthcare is open to a number of potential benefits offered by the IoT in terms of patient health monitoring and early diagnosis. For this purpose, IoT provides non-disruptive monitoring of machines used in various industries, thereby increasing equipment life and operational efficiency.