30 Interesting IoT Projects for Engineers

Are you fascinated by the endless possibilities offered by the Internet of Things (IoT)? If so, we have a treat for you! Explore a wide range of captivating IoT project ideas suitable for both beginners and advanced enthusiasts. These IoT projects serve as a glimpse into the immense potential of IoT technology.

Whether you’re taking your first steps into the world of IoT or you’re a seasoned developer seeking new challenges, our curated collection of project ideas will ignite your imagination. With these ideas as your guide, you’ll embark on a thrilling journey of creating your very own IoT projects.

(Click on any IoT projects you’re curious about to learn more)

1. Control TV With Alexa – IoT TV Controller

Alexa Controlled IoT Project
IoT TV Controller

A project for building an Alexa IoT TV controller. The system works by connecting Alexa to an IoT device over Wi-Fi.

This project is available at Control TV With Alexa IoT TV Controller

2. IoT-based Light Dimmer and Speed Controller

IoT Based Light Dimmer
Light Dimmer

In this project, we would be making a wireless IoT device that can control the speed of a fan motor and adjust the brightness of a light. This feature can also be used in factories for wirelessly controlling AC appliances including elevators and conveyor belts.

This project is available at IoT-based Light Dimmer and Speed Controller

3. e-Ink-based Touch Switch

Learn to make a power-efficient IoT touch switch that consumes minimum power and gives an impressive smart home switching experience.

Touch Switch using E-ink Display
E-INk Display Switch

This project is available at e-Ink-based IoT Touch Switch

4. Low-Cost Solid-State Relay

In this project, the author has simplified the solid-state relay design that can be used with an IoT system operated by Alexa.

Solid State Relay
Solid State Relay IoT Projects

This project is available at Low-Cost IoT Solid State Relay

5. IoT-Based Automated Table Lamp

An IoT-based automated table lamp that works in such a way that whenever a person sits on the chair it automatically turns on and visa-versa.

Automated Table Lamp Circuit
Automated Table Lamp

This project is available at IoT-Based Automated Table Lamp

6. Wi-Fi Temperature-Logging System

This temperature logging system is built around PIC16F887 MCU, ESP8266, LM35, LM1117, 7805IC, and other discrete components.

Wi-Fi Temperature-Logging System
Wi-Fi Temperature-Logging System

This project is available at IoT Wi-Fi Temperature-Logging System

7. Brain-Controlled EEG – IoT Projects

Brain-Controlled EEG Circuit
Brain-Controlled EEG

Have you ever wondered about controlling things using your thoughts? If you concentrate on lights or TV and think of triggering them ON or OFF with just your thoughts, will you be able to do so? The answer is YES.

This project is available at Brain Controlled IoT EEG

8. Mesh Network Agriculture System

Mesh Network Agriculture System
Mesh Network Agriculture System

In this project, you will learn how to create a mesh network-based device. It has a central node and several child nodes with a soil sensor.

This project is available at IoT Mesh Network Agriculture System

9. ESP8266-based Energy Monitor and Over Current Cut-off

In this project, you will learn to make an IoT-based current monitoring device that can detect current overdraw and automatically turn off the circuit.

IoT-based current monitoring device
IoT-based current monitoring device

This project is available at ESP8266 IoT Energy Monitor and Over Current Cut-off

10. Alexa-Controlled IoT Project

With this IoT controller, you can connect lights, fans, TVs, toasters, etc, and control them in any language of your choice.

Alexa-Controlled IoT Device Circuit
Alexa-Controlled IoT Device

This project is available at Smallest Alexa Controlled IoT Device

11. Cloud-Based Implementation of IoT Using MQTT Brokers

Message Queuing Telemetry Transport (MQTT) is a standardized, lightweight protocol that transmits messages between connected objects in an IoT network.

This project is available at Cloud Based Implementation of IoT Using MQTT Brokers

Home Appliances Controller with Eye blink
Home Appliances Controller with Eye blink

Now you can switch on or off any electric/electronic appliance with the blink of your eye. To create the IoT object detection system and controller, just follow the link below.

This project is available at IoT Activity Through Eye Control Things Just By Looking

13. Monitor Live Temperature Through IBM Bluemix

Presented here is an Internet of Things (IoT)-based temperature monitoring system using the IBM Bluemix cloud platform and Mbed NXP LPC1768 development board.

This project is available at Monitor Live Temperature Through IoT-Based System Using IBM Bluemix

14. IoT-Based Smart Home Controller Using Blynk

Smart Home Controller Circuit
Smart Home Controller Using Blynk

This project can be used to control any four home electrical appliances such as lights, fans, air-conditioners, and water pumps from the smartphone.

This project is available at Build This IoT-Based Smart Home Controller Using Blynk

15. Smart Wireless Water Meter With Web DB

In this project, we are going to make an intelligent water meter that measures our daily water usage. It also provides live data on our phones.

This project is available at Smart Wireless Water Meter

16. IoT-Based Motion Detector Using Cayenne

Presented here is a motion-sensor-based security system using Cayenne and Arduino Uno. It allows you to connect regular boards like Raspberry Pi, Arduino, and LoRa.

This IoT project is available at: Build An IoT-Based Motion Detector Using Cayenne

17. Smart Agriculture System

Through this device, we will be able to automatically irrigate a piece of land and wirelessly spray fertilizers and pesticides using our phones while we are busy with other work.

This IoT project is available at the IoT-Based Smart Agriculture System

18. Mesh-Enabled Environment Monitoring Device

We are going to make a device that can effectively measure the quality of air and pollutant levels as well as noise pollution and send that data to the cloud.

This IoT project is available at Design Own IoT Mesh Enabled Environment Monitoring Device

19. Face Recognition AI Robot

Face Recognition AI Robot
Face Recognition AI Robot

In this project, we are going to learn how to design a smart AI robot. This robot recognizes a person’s face and can recognize that person’s voice.

This IoT project is available at Designing IoT Face Recognition AI Robot

20. Low-Cost IoT Robot

The Wi-Fi-controlled IoT robot described here uses NodeMCU and Blynk app. It can be controlled wirelessly using any Wi-Fi-enabled Android smartphone.

Wi-Fi-controlled IoT robot
Wi-Fi-controlled IoT robot

This IoT project is available at Design Your Own Low-Cost IoT Robot

21. Wi-Fi & Bluetooth Mesh Enabled IoT Smart Device

This device can provide real-time data on the movements of players during training and games, like acceleration, angle, and directions, as well as their health status.

This IoT project is available at Wi-Fi & Bluetooth Mesh Enabled IoT Smart Device For Athletes

22. IoT-Enabled Air Pollution Meter

Presented here is an IoT-enabled air pollution meter using the Blynk application and Arduino board. Blynk provides a digital dashboard on your smartphone that displays real-time air quality readings.

Air Pollution Meter Circuit
Air Pollution Meter Circuit

This IoT project is available at IoT-Enabled Air Pollution Meter With Digital Dashboard On Smartphone

23. Noise Detector with Automatic Recording System

Talking loudly is an annoying habit in an office environment. Having a loud co-worker can distract us from our work and harm our productivity. To help solve this problem, we bring to you today a noise detector with an automatic recording system.

Noise Detector Circuit Diagram
IoT-based Noise Detector

This IoT project is available at Noise Detector with Automatic Recording System

24. Smart Touch Switch Board For Home Automation

The timer switch presented here can be used to start and stop the electric water heater from the Blynk app on your smartphone. Using this, hot water will be ready when you wake up.

Smart Touch Switch Board Circuit
Smart Touch Switch Board Circuit

This IoT project is available at Smart Arduino Touch Switch Board For Home Automation With IoT

25. Smart Home Security With Automatic Phone Calling System

When a thief enters a jewelry shop, the shop owner automatically gets a notification on his/her phone. Also, the device automatically calls the cops while the thief is busy stealing the valuables.

Automatic Phone Calling System Circuit
Automatic Phone Calling System

This IoT project is available at Smart Home Security System With Automatic Phone Calling System Using Arduino

26. ESP8266-based Wireless Web Server

This ESP8266-based wireless web server project is built around an Arduino. Currently, ESP8266 is gaining popularity in the field of electronics because it is low-cost, reliable, and easily available in the market.

This IoT project is available at ESP8266-based wireless web server.

27. IoT-Based Smart Camera

Presented here is a project that lets your Raspberry Pi (RPi) turn into an IoT-based smart camera and then control and watch the live video being captured by this camera on your smartphone.

This IoT project is available at DIY smart camera.

28. Windows 10 on Raspberry Pi

The devices connect to Windows 10 and communicate with each other in an instant. All you need to get started is a public release of Windows 10, Windows 10 IoT core dashboard. Oh, and a Raspberry Pi 2.

This IoT project is available on Windows 10 IoT Core for Raspberry Pi 2.

29. Smart Garage Door

Designing this project would help you put away that annoying clicker that keeps getting lost while opening the garage door.

This IoT project is available at the Garage door clicker.

30. Temperature and Humidity Monitoring

temperature monitoring using arduino
temperature monitoring using Arduino

In this project, humidity and temperature information from the DHT-11 sensor is analyzed graphically on the ThingSpeak platform using Arduino MCU and ESP8266 Wi-Fi module.

This IoT project is available at Humidity & temperature sensor

31. Touch-Based Home Automation

Touch-Based Home Automation
Touch-Based Home Automation

We have seen various applications of IoT but what about adding a touch to it? In this project, we would be building a similar type of IoT-based Home Automation System.

This IoT project is available at IoT and Touch-Based Home Automation


This list of IoT projects was first published collectively on 5 November 2017 and recently updated in August 2023.