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.

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...