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.
Azure IoT with Raspberry Pi - Publish Temperature and Humidity Sensor Data to Azure IoT Hub using Python
Azure IoT Hub, the cloud computing service by Microsoft enables developers to connect, monitor, and manage billions of IoT...
Performing MQTT Communication with ESP8266/NodeMCU using Arduino IDE
Over the past few years, IoT (Internet of Things) devices have become an indistinguishable part of our daily lives. From smart...
How to build an IoT-based Voice Controlled Smart Rocket Igniter
As the winter season approaches; comes that time of the year when the festival of lights is celebrated. Yes, we are talking...
IoT Based Solar Panel Power Monitoring using ESP32 and ThingSpeak
In the area of renewable energy, solar energy is at the forefront, because producing energy by using the power of the sun is...
AJAX with ESP8266: Dynamic Web Page Update Without Reloading
In many IoT applications, there are situations where the sensor data needs to monitor continuously, and the simplest way to do...
IoT Based Air Quality Index Monitoring System – Monitor PM2.5, PM10, and CO using ESP32
As winter sets in, the air hanging over us thickens with smoke and gaseous emissions from burning fields, industrial factories...
Controlling a WS2812B RGB LED Matrix with Android App using Arduino and Blynk
Over the course of a few years, RGB LEDs are getting popular day by day due to its beautiful color, brightness, and enticing...
IoT Based AC Fan Speed Control using Smart Phone with NodeMCU and Google Firebase
In this article, we are building an AC Fan Regulator Circuit, which is able to control the speed of the fan by restricting the...
Building a Compact and Low Power Solid-State Relay to Control AC Home Appliances using ESP8266 for IoT Applications
Relays are common in many switching circuits where controlling (turning ON or OFF) an AC load is required. But due to the...
IoT Based Contactless Body Temperature Monitoring using Raspberry Pi with Camera and Email Alert
Since the corona outbreak, it has become very difficult to identify those who are affected by the virus or not. To solve this...
DIY Raspberry Pi LoRa HAT - LoRa Communication between Raspberry Pi and Arduino
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...
Introducing M5Stack Core2 - An ESP32 based IoT Development Kit
The ESP32 microprocessors from Espressif have quickly gained popularity and can already be found being used in many IoT...
IoT Based Heart Rate Monitor using MAX30100 Pulse Oximeter and ESP32
Pulse oximetry is a widely used medical measurement instrument and it is a non-invasive and painless test that measures oxygen...
Smart Water Quality Monitoring System Using IoT
Agriculture is the backbone of our country and it is very important to know the parameter of soil and water for efficient...
Design your own ESP Modules for Battery Powered IoT Applications
The ESP Controllers from Espressif are becoming a widely popular choice for IoT based designs. There are many kinds of ESP...
Turn Your Raspberry PI Zero into A VPN Server with OpenVPN
When I think about a VPN service, the first thing that comes to my mind is all subscription-based plans. Also, there are...
Voice Controlled Home Automation using Google Assistant – Control Multiple loads in Online, Manual, and Timer Mode
With the advancement in virtual assistants like Google Assistant and Alexa, Home automation and Voice controlled applications...
Cough Detection System using Arduino 33 BLE Sense and Edge Impulse
COVID19 is really a historic pandemic affecting the whole world very badly and people are building a lot of new devices to...
Voice Controlled FM Radio using Arduino and Google Assistant
Nowadays, most of us like to listen to music, with our smartphones. But a few years back, this was not the case, at that point...
MPU6050 Gyro Sensor Interfacing with ESP32 Board
The MPU6050 sensor module consists of an accelerometer and gyro on a single chip. It contains analog-16 bits in the digital...