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.

In many IoT applications, there are situations where the sensor data needs to monitor continuously, and the simplest way…

Over the course of a few years, RGB LEDs are getting popular day by day due to its beautiful color, brightness, and enticing…

In this article, we are building an AC Fan Regulator Circuit, which is able to control the speed of the fan by restricting the…

Relays are common in many switching circuits where controlling (turning ON or OFF) an AC load is required. But due to…

Since the corona outbreak, it has become very difficult to identify those who are affected by the virus or not. To solve this…

Raspberry Pi HAT is an add-on board for Raspberry Pi with the same dimensions as Pi. It can directly fit on the top of…

The ESP32 microprocessors from Espressif have quickly gained popularity and can already be found being used in many IoT…

Pulse oximetry is a widely used medical measurement instrument and it is a non-invasive and painless test that measures oxygen…

Agriculture is the backbone of our country and it is very important to know the parameter of soil and water for efficient…

The ESP Controllers from Espressif are becoming a widely popular choice for IoT based designs. There are many kinds of ESP…

When I think about a VPN service, the first thing that comes to my mind is all subscription-based plans. Also, there are…

With the advancement in virtual assistants like Google Assistant and Alexa, Home automation and Voice controlled applications…