IQCode: Discover the Best IoT Projects with Source Code for 2023 in Our Top 20 List

Top 20 IoT Projects

The world of technology has brought us the Internet of Things (IoT). It has sparked
the curiosity of many individuals to implement their innovative ideas and create
some amazing IoT projects. Here are 20 of the best IoT projects:

  1. Air pollution monitoring system using IoT
  2. Weather Reporting System using IoT
  3. Flood Detection System using IoT
  4. Smart Gas Leakage Detector Bot using IoT
  5. Home Automation System using IoT
  6. Liquid Level Monitoring System using IoT
  7. Smart Garage Door using IoT
  8. Facial Recognition Bot
  9. Smart Cradle System using IoT
  10. Smart Agriculture System using IoT
  11. Smart Alarm Clock using IoT
  12. Smart Parking System using IoT
  13. Smart Traffic Management System using IoT
  14. Health Monitoring System using IoT
  15. Streetlight Monitoring System using IoT
  16. Wheelchair Fall Detection System using IoT
  17. Night Patrol Robot
  18. Smart Energy Grid
  19. Mining worker Safety helmet
  20. Smart Baggage Tracker using IoT

Frequently Asked Questions

Here are the answers to some of the frequently asked questions about IoT:

  1. What is IoT?
  2. What are the 5 IoT devices?
  3. Is Arduino an IoT?
  4. What skills are needed for IoT?
  5. Is a smartphone an IoT device?

Takeaway: IoT has opened a world of possibilities for creative thinkers and innovators. By combining technology with imagination, the potential for future IoT projects is endless.

What is IoT?

IoT refers to a network of internet-connected physical objects such as sensors, embedded electronics, software, and more, that collect and exchange data to make informed decisions. This technology is growing and is predicted to increase the usage of IoT-enabled devices by 13.7% in three years. Currently, 5.8 billion devices are in use, and this is expected to rise significantly to 41.6 million.


The Internet of Things (IoT) is rapidly transforming our daily routines by enhancing our home comfort, traffic control, and environmental systems. Even a simple device like a fan can become an IoT device when controlled by a smartphone. If you’re a beginner interested in contributing to this field, check out these IoT project ideas to simplify your lifestyle and take technology to the next level.

Air Pollution Monitoring System using IoT

Air pollution is a major issue in metropolitan cities worldwide, causing harm to human health and leading to several diseases. The Air Pollution Monitoring system, using IoT, can help in measuring air quality by leveraging the internet and displaying the results on an LCD screen. It saves essential logs for future references, and when the air quality degrades beyond a benchmark, it triggers an alarm that is detected by MQ135 and MQ6 sensors. These sensors detect and report harmful gases in the air in real-time.


The source code for the Air Pollution Monitoring System is available at

IoT-Based Weather Reporting System

The IoT-based Weather Reporting System is a reliable and efficient solution for obtaining localized weather data. This system collects data from temperature, humidity, and rain sensors and reports statistics online, reducing the dependency on weather forecasting agencies. It also allows users to set alerts for extreme weather events and natural disasters such as volcanoes and tsunamis. The source code for this project can be found on Github at:

Flood Detection with IoT

Floods cause catastrophic damage in various countries each year. A reliable flood detection system can help mitigate the loss caused. This IoT-based system detects and monitors environmental factors such as temperature, humidity, and water levels to generate alerts predicting potential floods, aiding in saving lives and valuable property.

Smart Gas Leakage Detector using IoT

Gas pipelines are crucial for households and industries, but any leakage can lead to fire, disasters, or air toxicity. To prevent this, a smart gas leakage detector bot can be inserted into the pipeline. Students with chemical knowledge can create this bot to monitor any leaks. The bot detects any leakage and shares its location using a GPS sensor over the IoT network.

Home Automation System with IoT

A popular IoT project is a touch-based home automation system that automates all household appliances connected through the IoT network, including fans, lights, TVs, and geysers. With this project, users can control and manage home appliances from anywhere in the world via a smartphone with a single click. The system uses an AVR family microcontroller, touch-sensing input pins, and a Wi-Fi connection for house automation.

Liquid Level Monitoring System using IoT

The Liquid Level Monitoring System uses multiple sensors like Ultrasonic, Conductive, and Float sensors to monitor different fluid levels in industries, reducing the risk of flooding. It can also detect and alert for any leaks in pipelines, ensuring safety. This system is particularly useful for handling fluids used in large volumes.

Smart Garage Door Automation with IoT

This system uses IoT to operate garage doors effortlessly via a smartphone. It eliminates the manual locking and unlocking of the door, saving time. Users can also experience unique features like laser and voice commands that add to the experience of smart notifications that improve monitoring and management of garage doors.

Check out the source code on GitHub:


The Facial Recognition Bot project involves creating an AI bot that can recognize different faces and voices for personal identification, face detection, and emotion recognition. The system requires a camera, advanced security system, and stable Wi-Fi connection.

//code for facial recognition bot

Smart Cradle System with IoT

Modern-day parents often have to leave their infants at home while they work. The Smart Cradle System can make their lives easier. It incorporates a cry-detecting mechanism, live video feed, and a user-friendly interface that allows parents to monitor their infant from afar. The cradle also monitors the temperature and humidity of the bed to ensure the baby’s comfort, thanks to IoT technology.

Check out the source code for this project on GitHub:

Smart Agriculture System with IoT

The rapidly growing population has increased demands for agriculture productivity. To enhance productivity, IoT is being implemented in agriculture. The Smart Agriculture system performs and monitors various farming tasks through sensors. Farmers can set schedules for automatic irrigation and fertilization, all remotely. This system allows monitoring of crops from anywhere, freeing up time for manual-intensive tasks and improving results.

Smart Alarm Clock using IoT

The Smart Alarm Clock is an exciting IoT project that acts as a functional device loaded with various features. It does more than just help you wake up in the morning. Features include initiating a chat, voice commands, audio amplifier control, and text-to-speech synthesizer. You can find the source code for this project on GitHub: [].

Smart Parking System with IoT

Due to heavy traffic, it’s difficult to find a parking spot. Our IoT-based Smart Parking System solves this problem by providing a seamless parking experience. Instead of searching for parking, our system helps drivers find available spaces. By displaying a real-time image of available parking spots, drivers can easily locate and park their vehicles.

Smart Traffic Management System with IoT

With the increasing population comes the rise of traffic congestion on roads. To address this issue, an IoT-based smart traffic management system can efficiently manage the traffic flow. This system can even provide alternate pathways for emergency vehicles such as fire trucks or ambulances. Moreover, it can detect and monitor traffic violators throughout the day and night. This system proves to be useful whenever dynamic control of traffic flow is necessary in urgent situations. You can find the source code for this project on GitHub: [insert link].

IoT-Based Health Monitoring System

People often forget to prioritize their health checkups amidst their busy lives, leading to long-term illnesses. To combat this issue, a health monitoring system utilizing IoT technology has been developed. This system tracks the user’s vital signs, shares them with their online doctor, and creates an alert if any values fall below a certain range. As a result, individuals can keep a close eye on their health from the comfort of their own home, with medical assistance just a phone call away.

Streetlight Monitoring System with IoT

Around 19% of the world’s current energy consumption is attributed to streetlights. To optimize streetlight usage, a monitoring system can be implemented using IoT technology. The system utilizes LDR sensors to monitor vehicle and pedestrian movement, and controls whether the lights are switched on or off accordingly. The sensors send signals to the microcontroller to turn on the streetlights when activity is detected, and turn them off when there is no movement. This results in an efficient way to save energy.

//Sample code for controlling streetlight based on sensor input
int sensorInput = 0; //initialize sensor input
int threshold = 500; //set threshold value for sensor input
int streetLightPin = 8; //set pin number for streetlight

void setup(){
pinMode(streetLightPin, OUTPUT);

void loop(){
sensorInput = analogRead(A0);
if(sensorInput > threshold){
digitalWrite(streetLightPin, HIGH); //turn on streetlight
digitalWrite(streetLightPin, LOW); //turn off streetlight

Wheelchair Fall Detection System with IoT

For individuals who use wheelchairs due to health issues or age, falls can happen for various reasons. To prevent any accidents, the Wheelchair Fall Detection System, which utilizes IoT, can issue an alarm when a jerk occurs that could lead to a fall. A false alarm may be cancelled out in just a few seconds.

//code for Wheelchair Fall Detection System using IoT

Night Patrol Robots: Automated Security Solutions

Nighttime is when crime rates are the highest. Night patrol robots can help keep you safe. These robots come equipped with night vision cameras and perform 360-degree scans to identify and analyze any suspicious movement. If the robot detects some wrong activity, it generates an alarm and captures an image of the intruder, sending the data to the user. Night patrol robots act as smart AI security guards to protect your property. Check out the source code for the night patrol robot here: []

Smart Energy Grid IoT Project

This IoT project aims to address power outage issues in regions caused by electricity grid failure. The project uses an ATmega controller to monitor and control the grid. In case of any activity, an alarm is generated and communicated over the internet. The primary objective is to restore the transmission line and reactivate the grid when it fails.

IoT-Based Mining Safety Helmet

Working in mines can be extremely dangerous and unsafe due to hazardous conditions. To ensure the safety of mining workers, a microcontroller-based circuit is incorporated in the mining safety helmet. The circuit monitors the environment of the mining site and evaluates safety parameters. Additionally, the helmet utilizes an RF-based tracking system to transfer data via the IoT network in real-time, allowing for the workers’ current location to be tracked. In case of an emergency, the helmet also includes a panic button that alerts management, allowing for quick rescue operations to be initiated. You can find the source code for this project on GitHub: []

Smart Baggage Tracker using IoT

Travelling requires carrying luggage, and losing bags is a common problem. To solve this problem, smart baggage trackers can detect the location of the bag during theft and send the coordinates to the user’s phone. This innovation has greatly helped the tourism sector. Check out the [] for the source code.

IoT has simplified our lives in many ways, from home improvement to traffic control. IoT projects can save lives and property in case of emergencies, whether natural or man-made. Take up any of the above ideas and come up with something that will serve mankind’s lifetime.

Frequently Asked Questions

What is IoT?

IoT stands for Internet of Things, it refers to internet-connected devices that exchange data.

// Example code for IoT devices exchanging data

Top 5 IoT Devices

Some popular IoT devices include:

- Google Home
- Amazon Echo
- Smartwatches
- Tesla Cars
- Fitbits

(Note: Code is provided in plain text format for ease of reading. Please implement in your desired programming language as needed.)

Is Arduino considered an IoT device?

Yes, Arduino can be considered an IoT device as it provides a platform for building connected objects with ease and security. It allows for real-time data exchange between multiple devices and offers a user-friendly interface for easy monitoring.

Required Skills for IoT

IoT development requires proficiency in various skillsets including:

- Artificial Intelligence and Machine Learning
- Mobile app development
- UI/UX design
- Cloud computing
- Information security
- Node.js

Having knowledge in these areas can help developers create successful and efficient IoT products.

Is a Smartphone Considered an IoT Device?

No, a smartphone is not typically considered an IoT device as it is primarily designed for use by humans. However, it can be used as a control interface to manage and communicate with various IoT devices such as smart thermostats, garage doors, and lighting systems.

Exploring IoT Project Ideas to Improve Skills in the IoT Sector

IoT offers endless possibilities for projects that enhance efficiency and safety through communication between interconnected devices. With so many options, you can choose any idea to develop your skills in the IoT sector.


Find more information on IoT through the following resources:

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