Complete Internet of Things - IoT course

Define the Internet of Things as interconnected electronic devices that share data over a network, enabling remote monitoring and control.

Learn about the internet of things (IoT) as interconnected devices share data over a network, enabling remote monitoring and control through gateways and data centers, exemplified by smart homes.

Explore the four IoT environment components—things, gateway, cloud analytics, and user interface—and how sensor data flows to the cloud and drives actions like irrigation.

Learn real life IoT examples such as smart homes and smart cities, where cloud-connected devices control appliances, automate routines like morning coffee, and enable health care and agriculture applications.

Explore the advantages of IoT, including automated tasks, time savings, resource optimization, enhanced data collection, and improved security, alongside disadvantages like security risks, privacy concerns, and system complexity.

Explore the basics of electric current, including electrons and ions, and compare alternating current (AC) with direct current (DC) in flow direction and power for IoT sensors and actuators.

Explore electronic circuits and circuit design, learning how resistors, transistors, capacitors, and diodes connect with wires to form closed and open circuits that control electric current.

Explore how a switch controls electrical circuits, turning current on or off to power devices, and learn its role in circuit diagrams and IoT systems.

Learn how resistors regulate current in circuits using color code markings. Read color bands to calculate resistance in ohms, including digits, multiplier, and tolerance.

Explore transistors, a semiconductor device that amplifies signals and power, turning a tiny input current into a larger output current and enabling switches; two types are discussed.

Explore the light emitting diode, its positive and negative terminals, and the symbol, then learn how a resistor on the positive side limits current to protect the light emitting diode.

Learn to draw circuit diagrams with a battery, switch, and wires, distinguishing open and closed circuits and illustrating current flow in DC motor circuits.

Build a breadboard circuit using a battery, resistor, and jumper wires to show positive and negative terminals, a closed circuit, and open circuit.

Explore the basics of IoT boards, including small but powerful microcontroller and microprocessor options, such as ESP and Arduino versus Raspberry Pi, and the languages used to program them.

Explore IoT boards, comparing microcontroller-based boards (ESP32, Arduino) with microprocessor-based boards (Raspberry Pi), and highlight programming options (C for microcontrollers; Python, Java, MicroPython) for prototyping and teaching IoT.

Explore the Arduino Uno board, a microcontroller platform based on ATmega328, featuring 14 digital I/O pins, 6 analog pins, USB programming, and an open source ecosystem with the Arduino IDE.

Explore the Raspberry Pi board as a low-cost, credit-card sized computer with a powerful processor and RAM, capable of running multiple OS and connecting to the internet and Bluetooth 5.0.

Discover the nodeMCU ESP8266, a low-cost platform for rapid prototyping and learning, similar to an Ardino board, but with built-in wifi, a USB controller, reset button, and flash memory.

Explore how sensors detect changes in the environment and relay signals to IoT boards, differentiating analog sensors (continuous signals) from digital sensors (digital and binary outputs), with examples.

Learn how actuators convert energy into motion and compare pneumatic, hydraulic, electric, and thermal types; see how electric actuators like linear actuators, motors, and relays power IoT systems.

Install and open the Arduino IDE from the official site, select your board, and use the toolbar to compile, upload, and monitor serial data.

Explore built-in Arduino functions such as setup, loop, pin mode, digital write and read, and delay to create humidity and temperature monitor with the HD 11 sensor and serial communication.

Learn how to build a distance measurement device using an ultrasonic sensor and an Arduino UNO, wiring the trigger and echo pins, and calculating distance from reflected pulses.

Learn to build an RFID card reader with a NodeMCU and RC522 module, wiring 3.3v power and SPI pins, then implement read/write access control with predefined cards using MFRC522.