Electronics Projects

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.

Getting Started with HC-05 Bluetooth Module: Interfacing with Arduino Uno

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Bluetooth is a communication protocol which provides an affordable communication in PAN (Personal Are Network). It provides a maximum data rate of 1Mb/S, working in a nominal range of 100 meters using 2.4 GHz frequency. Due to these several factors, Bluetooth is popularly used all the way from hobby grade projects to industrial ones....

Temperature and Humidity Measurement Using Arduino Uno and DHT11

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We need the temperature and humidity measurement to understand the environmental conditions for a given zone. We might use google or any whether predicting site for the same but often they do not show the real time data and most of the data is averaged out and often based on predicting algorithms. We might...

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...

Line Follower Robot using Arduino Uno

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The line follower, as the name implies, is an automated self-driven vehicle (which follows line). In general, there are two types of line follower. In one type, the line follower follows the black line on the white surface, whereas, in the other type, it follows the white line on the black surface. These types...