Electronics Projects

Arduino Calculator using 4x4 Keypad

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In this project tutorial, we will build our own simple calculator using an Arduino and 4×4 keypad and display the result on a 16×2 dot matrix LCD Screen.

RFID Based Attendance System using Arduino Uno

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Here we designed an RFID based Attendance System using Arduino UNO and RC522 RFID 13.56Mhz Reader Writer Module. So that students can automatically mark their presence in the system without the need of teachers having to do it manually.

Solar Powered Mobile Phone Charger Circuit

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Gadgets like phones, iPods, smartwatches, etc. have become an important part of our life. They all face one problem, and that is the need to charge after regular usage. It becomes a major concern when you are in a place where electricity is not available. One of the solutions to these kinds of problems...

IoT Based Biometric Door Lock using Fingerprint Sensor and NodeMCU ESP8266

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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...

Distance Measurement using Ultrasonic Sensor and Arduino

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Distance measurement of an object through the air is used in a large number of applications such as obstacle avoider robot control, vehicle control, blind stick, medical application, etc. The ultrasonic sensor is one of the cheapest and easily available option to measure distance for similar requirements. This sensor can be easily interfaced with...