Internet of Things (IoT) - The Mega Course

Explore the varying definitions of the internet of things and how devices connect and communicate over networks. It centers on monitoring, analysis, and control, with security and privacy considerations.

Explore how the things in the internet of things include objects, environments, vehicles, clothes, and everyday items, all capable of producing information such as location, tilt, and moisture.

Explore IoT applications: smart homes, wearables, connected cars, and smart cities. Learn how sensors collect data, preprocess insights, and optimize operation, maintenance and comfort across buildings, factories, wearables, and agriculture.

Explore the structure of the internet of things, including a block diagram, microcontrollers, and how things communicate, and examine whether every IoT has internet.

Explore the general IoT block diagram: sensors generate data, a microcontroller collects it, gateways forward to the cloud for analysis, triggering actuators.

Explore how microcontrollers differ from microprocessors and how MCUs run simple tasks with RAM, ROM, peripherals. Understand embedded systems and IoT advantages of MCUs: simplicity, security, and low cost.

Explore how IoT devices communicate by sharing a common protocol, compare WiFi, cellular, Ethernet, Bluetooth, Zigbee, and LoRaWAN, and learn criteria like range, data requirements, security, and power.

Explore how IoT devices communicate through various protocols, why not all IoT devices require internet, and how local networks like Bluetooth enable monitoring, analysis, and control.

Explore basic electronics essential for sensing and controlling with controllers. Learn AC and DC, voltage, current, resistance, and Ohm's law through practical circuits used to power and customize IoT projects.

Learn basic IoT circuits, including lighting an LED from a 5V source with a 200 ohm current-limiting resistor, and using a transistor-driven relay to control high-power loads.

Explore Arduino as an open-source electronics platform with easy-to-use hardware and software, reading inputs from sensors, buttons, or tweets and producing outputs like LEDs or motors.

Explore the technical description of the Arduino UNO, based on the ATmega328P, with digital and analog I/O, a 16 MHz clock, USB connection, bootloader, and serial communication.

Download, install, and launch the Arduino IDE, connect an Arduino Uno via USB, select the board and port, and verify and upload your code.

Demonstrates blinking led with an Arduino Uno, wiring a circuit, and programming in Arduino ide. Uses digitalWrite, delay, and pwm on pins 2 and 3 to control brightness and timing.

Learn to sense a button with digitalRead on a digital input pin, producing 0 or 1, and read an ldr with analogRead on a0, printing values to the serial monitor.

Design a smart lighting system that automatically adjusts a LED's brightness using an LDR with an Arduino PWM, converting 0–1023 to 0–255 to save energy.

Explore how the Raspberry Pi, a credit-card sized computer, enables general purpose computing with GPIO interfacing for projects from home security to intelligent robots, plus OS setup.

Learn how the Raspberry Pi functions as a general-purpose computer, with its BCM2836 SoC, ARM Cortex-A7 CPU, 1 GB RAM, GPIO, HDMI, Ethernet, camera, and Linux-based Raspbian for IoT.

Compare Arduino and Raspberry Pi for IoT projects, weighing real-time hardware interfacing, memory, and available shields to decide the right board for learning and projects.

Explore how the operating system bridges hardware and user input on the Raspberry Pi, with Debian/Raspbian and a GUI powered by LXDE.

Learn to prepare an sd card for Raspberry Pi by flashing a Raspbian stretch lite image onto a micro sd card with win32diskimager on Windows.

Explore the Raspberry Pi environment, its desktop interface and preinstalled development tools, from Python and Node-RED to IDEs, games, and office apps, then master basic Linux commands in the terminal.

Learn to control Raspberry Pi GPIO pins with Python scripts and get started with basic Python programming, including an ultrasonic distance sensor project.

Explore Python basics for IoT by learning variables, conditional statements, and loops (for and while), with lists, dictionaries, and strings on a Raspberry Pi interpreter.

Learn to control raspberry pi gpio pins with python using rpi.gpio, choosing board or bcm numbering, and building projects like led blinking, pwm, and button-driven led control.

Measure distance with an ultrasonic sensor by sending a ten microsecond trigger pulse. Derive distance from the echo width using 343 m/s and divide by two.

Learn to build a weather station with Arduino UNO, using an LM35 temperature sensor to collect temperature data and send it to the ThingSpeak cloud via SIM900.

Create a ThingSpeak channel to store and visualize live IoT data in the cloud, using write keys and get requests to update temperature and other fields on a channel dashboard.

Explore cellular communication technology and the Sim800 module for Arduino projects. Learn about GSM/GPRS generations, AT commands, and features like SMS, MMS, emails, and calls across 850/900/1800/1900 MHz.

Build a weather station by wiring the LM35 sensor to analog pin 0 and integrating a GPRS module for Arduino communication via SoftwareSerial and AT commands.