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

The ESP32-CAM is one of the most popular development modules, featuring built-in Wi-Fi and a camera. With its robust 32…

There have been many development boards recently built around the ESP32-S3. Most development boards come with a display…

Combining the dual-core processing capabilities of the ESP32 with the reliability of GSM connectivity, the ESP32 GPS…

The Internet of Things (IoT) has revolutionised how we control devices, enabling seamless remote monitoring and…

Building a real-time GPS tracker with Raspberry Pi Pico has never been more accessible thanks to affordable cellular…

Ever wanted to receive real-time SMS alerts for your Raspberry Pi projects without dealing with bulky GSM modules or…

The A7672S 4G LTE GNSS module is a powerful cellular communication solution that brings reliable internet connectivity…

What if you could get an instant SMS alert the moment a fire or smoke is detected at home or office? Through this…

Gesture control is one of the coolest ways to interact with technology—no buttons, no touchscreens, just simple hand…

In today’s fast-paced world, many of us spend long hours indoors—whether working from home, studying, or just managing…

Have you ever wanted to build your own IoT-based Weather Monitoring Station? Imagine monitoring real-time temperature, humidity levels,…

If you're looking to add wireless communication to your project, the Arduino nRF24L01 module combo is one of the most reliable and cost-effective…