Electronics Projects

A 433MHz transmitter and receiver pair uses Amplitude Shift Keying (ASK) modulation to transmit and receive data wirelessly. The transmitter modulates a 433MHz carrier wave with the data signal using an ASK modulator, and transmits the modulated signal through an antenna. The receiver picks up the transmitted signal with an antenna, filters out unwanted...

In this article, we will learn about how we send temperature and humidity data from a DHT22 sensor and displays it on an LCD screen using an Arduino board. The LCD screen is initialized with its pins and dimensions, and the temperature is printed in Celsius or Fahrenheit depending on the value of a boolean...

This project is an Arduino-based heart pulse sensor that uses an OLED display to show the user's pulse rate. The program uses an analog heart rate sensor connected to pin A0 of the Arduino board. The code reads the sensor values and maps them to a range between 0 and 45 to create a...

Today we are going to automate a light bulb using ESP8266 NodeMCU board and Blynk assistant, further we will also be integrating the system with Google Assistant. NodeMCU is a quite popular IoT module and has many capabilities. We will be integrating the final project through google assistant by using the IFTTT which stands...

In this project, we are going to build an IoT based accident detection system using NodeMCU ESP8266 Module and a Vibration Sensor Module SW-420, which will detect the accident and send an Emergency Email to the registered Email address using MATLAB Thingspeak Server.

In this tutorial, we are going to learn how to build an IoT based Home Security system using the NodeMCU ESP8266 module and Adafruit IO. In this project, we will learn about how to use the Adafruit IO platform to record, analyze, and control the live data on the cloud. 

Fingerprint scanner sensors are used at many places like Industries, Offices, Schools, Colleges and Hotels. By embedding IoT with the Fingerprint sensor, we can elevate the Fingerprint-based security system project to the next level. So in this project tutorial, we are going to build and IoT Based Biometric Security System using the GT5111C3 fingerprint...