O Level Internet of Things and its Applications Notes | ओ लेवल इन्टरनेट ऑफ थिंग्स M4-R5 सिलेबस एंड नोट्स

Internet of things and its Applications (M4-R5) O Level Paper 4 

Chapter 1 - Introduction to Internet of Things-applications/devices, protocols, communication model

• Introduction - Overview of Internet of Things(IoT)
• The characteristics of devices and applications in IoT ecosystem
• Building blocks of IoT
• Various technologies making up IoT ecosystem
• IoT levels
• IoT design methodology
• The Physical Design/Logical Design of IoT 
• Functional blocks of IoT and Communication Models
• Objective Questions
• Short Questions Answers

Chapter 2 - Things and Connections

• Working of Controlled Systems
• Real-time systems with feedback loop e.g. thermostat in refrigerator, AC, etc.
• Connectivity models – TCP/IP versus OSI model
• Different type of modes using wired and wireless methodology
• The process flow of an IoT application
• Objective Questions
• Short Questions Answers

Chapter 3 - Sensors, Actuators and Micro-controllers

• Sensors
• Measuring physical quantities in digital world e.g. light sensor, moisture sensor, temperature sensor, etc.
• Actuator – moving or controlling system e.g. DC motor
• Different type of actuators
• Controller – Role of micro controller as gateway to interfacing sensors and actuators
• micro controller vs microprocessor
• Different type of microcontrollers in embedded ecosystem 
• Objective Questions
• Short Questions Answers

Chapter 4 - Building IoT applications

• Introduction to Arduino IDE
• Writing code in sketch
• compiling & debugging
• uploading the file to Arduino board 
• Role of serial monitor
• Embedded ‘C’ Language basics
• Variables and Identifiers
• Built-in Data Types
• Arithmetic operators and Expressions
• Constants and Literals, assignment
• Conditional Statements and Loops
• Decision making using Relational Operators
• Logical Connectives - conditions 
• if-else statement
• Loops: while loop, do while, for loop, Nested loops, Infinite loops
• Switch statement
• Arrays – Declaring and manipulating single dimension arrays
• Functions - Standard Library of C functions in Arduino IDE
• Prototype of a function- Formal parameter list, Return Type, Function call
• Interfacing sensors – The working of digital versus analog pins in Arduino platform
• interfacing LED, Button, Sensors-DHT, LDR, MQ135
• Display the data on Liquid Crystal Display(LCD) 
• interfacing keypad Serial communication – interfacing HC-05(Bluetooth module) Control/handle 220v AC supply – interfacing relay module
• Objective Questions
• Short Questions Answers

Chapter 5- Security and Future of IoT ecosystem

• Need of security in IoT-Why Security? Privacy for IoT enabled devices
•  IoT security for consumer devices- Security levels
• Protecting IoT devices Future IoT eco system
• Need of power full core for building secure algorithms
• Examples for new trends - AI, ML penetration to IoT
• Objective Questions
• Short Questions Answers

Chapter 6- Soft skills-Personality Development

• Personality Development
• Determinants of Personality- self-awareness, motivation, self-discipline, etc.
• Building a positive personality
• gestures. Self-esteem - self-efficacy, self-motivation, time management, stress management, Etiquettes & manners
• Communication and writing skills- objective, attributes and categories of communication
• Writing Skills – Resume, Letters, Report, Presentation, etc.
• Interview skills and body language.
• Objective Questions
• Short Questions Answers