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IoT Internet of Things Crash Course (Udemy.com)

Build your first IoT system from scratch—connect sensors, microcontrollers, and cloud in one practical,fast-track course

Created by: Educational Engineering Team

Last updated February 2026

Our take

Based on the ratings of 290 students, a sample of their written reviews and the syllabus, as the course stood in February 2026. No course pays to be reviewed.

This is a short, ESP32-focused course of 3.9 hours across 63 lectures. The syllabus is mostly a run of small code examples: LED blink, touch sensor, analog input, PWM, servo, then internet and a handful of projects. The sales page talks about ESP8266, Thingspeak, Blynk and a temperature monitor, but the syllabus and learning goals center on the ESP32 board itself. Think of it as a board tour with one internet section, not a full IoT build.

Reviewers like the clear explanation of the board and its built-in features, and one calls it more than satisfactory for a crash course. The complaints repeat, though. Students want to see the wiring and the hardware working, not only code on screen. One says the explanations stop after section 10. Others mention a hard-to-follow accent and subtitles with mistakes.

The rating is 4.0 from 290 reviews. Of those, 203 are four or five stars, 64 are threes, and 23 are one or two stars. About 32,600 students have enrolled, and the last update was February 2026. It is short and low-commitment. Pick it if you already have an ESP32 and know a little programming. Look elsewhere for a wired-up cloud dashboard project.

Best forHobbyists with basic programming who own an ESP32 and want a quick tour of what the board can do.
Skip it ifYou want to watch wiring built on camera, or need a full IoT project with a cloud dashboard.

Pros

  • Short at 3.9 hours, with small ESP32 examples for blink, touch, PWM and servo
  • Reviewers say the board and its built-in peripherals are explained clearly
  • Code and resources are provided, and one reviewer calls the content neat and clear
  • Has a section on sending and exchanging data over the internet from the ESP32

Cons

  • Several reviewers say wiring and hardware are not shown, only code on screen
  • One reviewer says explanations stop after section 10, leaving code unexplained
  • Accent and subtitle errors make some lectures hard to follow, per reviewers
A very good course to start with IoT with some good, hands-on examples explained properly, along with the proper resources provided, and the content presented very neatly & clearly.
R Agrawal, a student

Listed for all levels, but it asks for basic programming, and reviewers say true electronics beginners may struggle.

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What you will learn

  • Learn about the ESP32 and why you must start using it
  • Learn about the variants of the ESP32 module.
  • Learn how to replace Arduino with ESP32 without coding effort
  • Learn about the differences and similarities between the ESP32 and the Arduino
  • Learn about the features ESP32 development kit
  • Learn how to use the ESP32 advanced capabilities
  • Learn how to use the ESP32 to connect any project to the Internet and display or exchange data
  • Become confident in using the ESP32 in your projects.
  • Use the ESP32 to enable your project to communicate with Bluetooth devices

Course content

15 sections · 63 lectures · 3.9 hours of video 6 quizzes, 1 practice test, 5 assignments, 48 articles

  1. 1Introduction & Getting Started 2 free previews8 lectures · 2 quizzes · 17 min
  2. 2Important Note: Review System1 lecture · 1 min
  3. 3ESP32 1 free preview5 lectures · 2 quizzes · 21 min
  4. 4Get the Development Environment Ready8 lectures · 2 quizzes · 22 min
  5. 5Load Your First Code4 lectures · 5 min
  6. 6Code Examples - Led Blink5 lectures · 2 quizzes · 8 min
  7. 7Code Examples - Touch Sensor5 lectures · 22 min
  8. 8Code Examples - Analog Input5 lectures · 2 quizzes · 19 min
  9. 9Code Examples - PWM Signal5 lectures · 25 min
  10. 10Code Examples - Servo Motor5 lectures · 12 min

Who it is for

The instructor says it suits

  • Engineering Students - Electronics, Electrical & Computer Science
  • High School Science Students
  • Electronic Geeks, Hobbiest & Art Students
  • Embedded Systems Geeks
  • Arduino Geeks
  • IoT and embedded systems Geeks
  • Anyone interested in connecting his project to the internet with a low budget solution

What you need before you start

  • Basic Knowledge of Programming

How it compares

Against the other 388 rated Udemy courses in Python on CourseDuck:

  • Rating4.0 out of 5higher than 6% of them
  • Reviews290#287 of 389 by number of reviews
  • Length3.9 hoursshorter than 81% of them
  • Last updatedFebruary 2026more recently than 79% of them

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Course Description

Curious about IoT but overwhelmed by where to start?

This crash course simplifies everything. In just a few hours, you’ll build and deploy a complete IoT project, using popular microcontrollers, real-world sensors, and cloud platforms. From reading data to sending it wirelessly and displaying it online, you’ll go from idea to IoT in record time.

Whether you’re an aspiring engineer, student, or tech enthusiast, this course gives you the hands-on experience you need to understand and create connected systems.

What You’ll Learn

  • What IoT is, how it works, and where it’s used today

  • Setting up Wi-Fi-enabled microcontrollers (ESP8266 or ESP32)

  • Reading sensor data and sending it over the internet

  • Using MQTT or HTTP to communicate with cloud services

  • Building real-time dashboards with platforms like Thingspeak or Blynk

  • Controlling devices remotely through mobile or web apps

  • Managing data flow, power consumption, and security basics

  • Scaling your system for practical, real-world use

Project You’ll Build

  • A Wi-Fi-enabled temperature and humidity monitor

  • Real-time data visualization in the cloud

  • Remote device control through a web or mobile interface

  • Your own functional, scalable Internet of Things setup

Who This Course Is For

  • Electronics and embedded systems beginners

  • Engineering students working on IoT projects

  • Hobbyists looking to connect sensors and devices online

  • Entrepreneurs exploring IoT product ideas

  • Anyone who wants to quickly understand how the Internet of Things works

Student Reviews

“I always thought IoT was complicated, but this course made it click. I got a working system by day two!” — Ali S.

“The perfect starting point for any tech enthusiast—fast, fun, and full of real-world value.” — Rachel N.

“Now I understand not just how IoT works, but how to build something useful with it.” — Deepak K.

Enroll now and go from idea to internet-connected device in just hours—no fluff, just results.

What You Need

  • ESP8266/ESP32 microcontroller

  • Basic sensors (e.g., DHT11, DHT22, or similar)

  • USB cable, jumper wires, breadboard

  • Wi-Fi connection and a computer with Arduino IDE installed

Instructor Bio

The Educational Engineering Team, with over 13 years of experience in microcontrollers and IoT, has trained more than 250,000 students worldwide. Known for simplifying complex tech topics, they’ll guide you through building an IoT system step-by-step—with clear, practical instruction you can actually use.

FAQ

Q: Do I need prior experience with IoT or coding?
A: No! This course is beginner-friendly and fully guided.

Q: Can I use ESP32 instead of ESP8266?
A: Yes—both are supported with code and wiring examples.

Q: Will I get a certificate?
A: Yes, a Certificate of Completion is provided once you finish the course.

Q: Is this course suitable for school or college projects?
A: Absolutely—it’s an ideal foundation for academic or professional IoT systems.

Q: Do I need any paid services or subscriptions?
A: No—all cloud platforms and tools used are free or have free tiers.


Join Now – Crash Into IoT and Build Your First Connected System

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Instructor Details

Educational Engineering Team

Educational Engineering Academy is a global leader in high-tier microcontroller and embedded systems training. Founded by Ashraf, a veteran Mechatronics Engineer with over 13 years of industrial experience, our mission is to transform students from foundation-level learners into Systems Architects.

With a legacy dating back to 2007, we have moved beyond superficial tutorials. We specialize in Production-Grade Engineering, focusing on areas where AI cannot compete: hardware labs, physical circuit design, and complex industrial simulations. Having empowered over 650,000 students globally, we provide the exact, step-by-step blueprints required to master the "Microcontroller Industry" and "PLC Industrial Automation".

Why Engineers Choose Our Ecosystem:

• Deep-Thinking Architecture: Our curriculum utilizes a three-level assignment structure (Basic, Intermediate, and Advanced) to ensure you don't just watch videos, but solve real-world coding challenges.

• Professional Benchmarks: We provide Project Portfolio Reviews and Résumé Feedback to ensure your skills translate directly into a high-paying career.

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Reviews

4.0

290 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

By Manoj Kumar Singh on 1/2/2025

It is a good topic, and the explanation provided by the instructor was excellent and highly insightful.

By Meet Shah on 7/19/2021

The Video content was great, but from section 10 there was no video explanation, the codes given were nice, but would have been better if they were explained like the PWM code was explained.

By Boris Leonardo Rubio Amaya on 12/4/2020

Por la forma en que explican practicamente en sus ejemplos de aplicacion que se puede hacer.

By Learner DM on 11/28/2020

this course is good for learning regarding IOT if you want to learn regarding IOT so join this course now

By Anil Rana on 11/26/2020

I would have appreciated if section 8 involved connections with actual potentiometer, instead of only looking at the code

By Arjun Godha on 10/16/2020

The Course was good overall , great details about esp. but you should teach at least 2 project using this , not only codes but connection and hardware and usage. and use hardware while showing output , like the servo one could use a servo as an output and in PWM we can see output on a led dimming or changing its brightness. Overall it was a good course. Thankyou

By RUPAL BHATKAR on 7/30/2020

it was really good to learn this course. got cleared many concepts about the board.thank you

By R Agrawal on 7/11/2020

A very good course to start with IoT with some good, hands-on examples explained properly, along with the proper resources provided, and the content presented very neatly & clearly. Especially, the board (ESP32) which has been told & worked upon all through this course is excellent, with great in-built peripherals. Very good & more than satisfactory for a crash course...:) Just one thing I felt was that the instructor could have been somewhat better with his delivery & accent.

By Shehzad Arain on 6/26/2020

every thing is good in this course but issues with me is some difficulties occur to understand the accent he is talking because in subtitles word not correct its also wrong. The other thing is kindly do main focus on practical only coding is not good show some practical work to us for understand better.

By JANGAM VIJAY KUMAR on 6/16/2020

practically showing the connections that was necessary for the course should be shown for the better understanding.thank you for the course

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Overall Score : 80 / 100