100+ DIY IoT Projects with Code and Schematics

Internet of Things (IoT) is revolutionizing the electronics industry. With more and more applications adapting IoT, it is important for the engineers of today to get acquainted with this technology. To help you with the same, Circuit Digest provides you with a large collection of free IoT projects for you to learn and recreate. The projects are built using the popular development platforms like Arduino, Raspberry Pi, ESP8266, STM32, MSP430, PIC amongst others. All projects are documented with a neat circuit diagram, code and demonstration video to provide a complete do-it-yourself experience. If you want more projects you can also check out our collection at Basic Electronics Projects | Arduino Robotics Projects | Arduino AI Projects | Arduino Home Automation Projects | Raspberry Pi Projects | ESP32 Projects

We can see wall-climbing robots from hobby-level to serious problem-solving ones that are used for inspection,…

In modern day, the need for surveillance systems is increasing rapidly. We have a lot of recognized brands that offer…

"Where did my pet go?" If you have a pet, you've probably asked this question at least once. One moment they're playing…

This tutorial shows us how to build our own functional DIY ESP32 metal detector from scratch using an affordable Wi-Fi…

Everybody likes weekends. On weekends, you often drive with your family to crowded places like malls, theme parks, or…

Running, running, every day, we keep running to work, school, and college. In this busy routine, many of us do not even have enough time to eat…

What if a device could see the world the same way humans do, seeing objects, recognizing them, and understanding what they are in real time? Just…

As adults, it is our duty to follow traffic rules, and the most important rule is to wear a helmet while riding a two-wheeler and not to cross the…

Imagine driving into a crowded parking area and not knowing whether a space is available or not. This project solves…

When we see movies, we often see scenes where a villain uses a gun with a face detection system that automatically…

In this project, we build a complete ESP32 GSM voice calling device using the GeoLinker GL868 board. The main idea of…

Have you ever watched a movie where a system instantly detects a person’s face, like in security doors or smart…