Internet of things Chapter 1

It is the network of physical

objects—devices, vehicles, buildings and other items embedded

with electronics, software, sensors, and network

connectivity—that enables these objects to collect and exchange

data.

• Internet of Things

• Network

• MAN

• Computer topology

It needs to be connected to a

network so that the gathered data can be

stored and shared.

• Sensors

• Controllers

They are responsible for collecting

data from sensors and providing network or

Internet connectivity.

• Controllers

• Sensors

Places where IOT Exists

• Health care

• Watch that collect your heartbeat data

• Smart home

Different names of IOT

• M2M (Machine to Machine)

• “Internet of Everything” (Cisco Systems)

• “World Size Web” (Bruce Schneier)

• Skynet” (Terminator movie)

Multiple devices connected with each other

• Computer network

• Computer controller

It measures moisture level and allow the water to flow in the farm .

• Soil sensors

• Temperature sensor

Different networks

• LAN

• MAN

• WAN

Different Network Topology .

• Bus

• Ring

• STAR