what is IoT? Internet of Things is the concept of connecting any devices to the internet and to other devices all devices in the network interact with each other to collect and share data. T he principle of it is to collect and send data from a device or sensors process this data in the server or processing unit and deliver the output on a user interface. SENSORS:                                                                                              History of IoT: The concept of connected devices is coming into existence in the electromagnetic telegraph at 1832 in which the telegraph is enabled direct communication between two machines through the transfer of electric signals.  At the beginning of the 21st century, the term "internet of things" came into worldwide. Moreover, several major developments were implemented form the year 2000, and by this year 2020 IoT has found its way into almost every industry: manufacturing, healthcare, tran