Lesson 1-1 [Applications and Use Cases] Overview of Internet of Things

Definition: The Internet of Things refers to the connection of everyday physical devices to the Internet, allowing them to communicate with each other and with humans.
Perspective-based Understanding: The definition and understanding of IoT varies based on individual perspectives—there is no universally accepted definition.
Examples of IoT Devices: Common examples include smart plugs, microwaves, washing machines, coffee machines, recycle bins, vehicles, and trucks.

Physical Object: To be categorized as an IoT device, a physical object must exist.
Computational Capability: The device must possess some means of computation (e.g., timers, motion sensors).
Communication Method:
- Can connect via direct communication like 3G or WiFi.
- Can use short-range protocols (e.g., Bluetooth) to communicate with a device (such as a router) that has Internet access.

Intelligent Behavior: Devices should exhibit some form of computational intelligence which allows for adaptive and intelligent functionalities.
Varied Perspectives on IoT: Just as different individuals may interpret aspects of an object differently (e.g., blindfolded persons describing an elephant), have differing insights into IoT based on their expertise such as security, data analytics, or hardware design.

Research Definition: Researcher-defined IoT involves things having unique identities and virtual personalities operating in a smart space, emphasizing the importance of user context and social environments.
European Commission Definition: The definition from the European Commission underlines unique identification and network connectivity for IoT devices, enabling interaction between devices and users.
Consortium Definitions: A definition highlighting:
- Anytime, any place, anything, anyone, any network or service.
- Reiterates the necessity for unique identifiers and network connectivity.

Embedded Devices: Initial stage of IoT represented by devices with simple embedded systems (e.g., older washing machines with basic timers).
Connected Devices: This phase is characterized by devices that can communicate remotely, like smart home appliances that can send notifications or be controlled via smartphones.
IoT Products: Represents the modern phase where devices can work collectively, optimize processes, and provide advanced functionalities according to user preferences or broader ecological considerations.

Definition: Embedded systems are dedicated computer systems with computing capability and limited input/output to perform specific tasks.
Use and Design: They are typically small, power-efficient, and purpose-built for specific functions, making them cost-effective when produced in large quantities.

Host-to-Host Connections: Initial connections between computers.
Global Networking: Transition to connecting many devices into a single network (the Internet).
Rise of Mobile Devices: A significant increase in mobile device connectivity along with traditional computers.
Social Entities: Inclusion of virtual identities or social entities online.
Expansion to IoT: Introduction of non-computing devices (like appliances) into the Internet framework.

Definition: The fourth industrial revolution characterized by automation in manufacturing through smart technologies.
Dynamic Factory Configuration: Capability to reconfigure production lines based on demand, facilitated by IoT technology.
Historical Context: Industry development through the ages (1.0 - steam-based systems, 2.0 - assembly lines, 3.0 - automation).
Relationship to IoT: Industry 4.0 is part of IoT applications but focuses specifically on manufacturing; IoT itself spans across various domains.
Key Concepts in Industry 4.0: Automation, AI, machine-to-machine communication, and dynamic adaptation to market demands are essential in this sector.